Introduction
Use your responses from the Project Summary to describe the project goal and criteria. Add one to two sentences to describe your optimal design.
*
5000 characters remaining
Design Decisions
Use your Proposal Outline and feedback from your project director to explain how your design addresses each criterion.

Answers

Answer 1

The specific aims that you want the project to achieve are known as project objectives.

What is Project goal?

Every choice made throughout the project life cycle will be influenced by the project objectives, which is why it's so important to articulate them as clearly as possible at the outset.

Using the SMART methodology for creating project management objectives is one of the greatest ways to ensure that your project goals are clear and explicit.

PMs and their teams may plan projects effectively and guarantee on-time, on-budget delivery by using SMART project objectives.

Therefore, The specific aims that you want the project to achieve are known as project objectives.

To learn more about Objectives, refer to the link:

https://brainly.com/question/14964361

#SPJ1


Related Questions

f zinc replaces iron, iron replaces lead, and zinc replaces lead in a chemical reactions, the order of activity from most active to least active is

Answers

The order of activity from most active to least active in the given scenario is: zinc, iron, lead. This is because zinc is the most active element in the group, as it has the least number of valence electrons.

making it more likely to participate in chemical reactions and replace other elements. Iron is the next most active, as it has a higher number of valence electrons than zinc, but still fewer than lead, which is the least active element in the group due to its high number of valence electrons, making it less likely to participate in chemical reactions and replace other elements.A chemical element with the atomic number 30 and the symbol Zn is zinc (Zn). It belongs to the periodic table's group 12 and is a transition metal. A bluish-white, glossy metal with high conductivity for electricity, zinc is a substance. It reacts with oxygen and water to produce zinc oxide (ZnO) and zinc hydroxide (Zn(OH)2) due to its comparatively high reactivity. Brass manufacture, galvanizing (coating steel or iron to prevent corrosion), and alloying other metals all utilize it often.

learn more about zinc   here:

https://brainly.com/question/13890062

#SPJ4

suppose that you add 25.6 g of an unknown molecular compound to 0.250 kg of benzene, which has a k f of 5.12 oc/m. with the added solute, you find that there is a freezing point depression of 3.54 oc compared to pure benzene. what is the molar mass (in g/mol) of the unknown compound?

Answers

If we add 25.6 g of an unknown molecular compound to the 0.250 kg of benzene, the molar mass of the unknown compound is 148.8 g/mol.

The Molality of the compound is given as :

ΔT = i Kf m

Where,

ΔT = freezing point depression = 3.54 °C

i =  Van't Hoff factor of the Benzene = 1

Kf =  constant of the freezing = 5.12 °C/m

m = molality = ?

m = ΔT / i Kf

m = 3.54 / 1 × 5.12

m = 0.69 mol

molality = moles / mass of benzene

moles = 0.172

The molar mass = mass / moles

The molar mass = 25.6 / 0.172

The molar mass = 148.8 g/mol

To learn more about molar mass here

https://brainly.com/question/16928753

#SPJ4

A student has measured the volume of a sample of hydrogen gas and has found that she has a total of 18.06 moles of the gas. What is the mass of this sample of hydrogen gas?

Please help me with this, and please explain it step by step so I know next time! (thank you)!!

Answers

The mass of one mole of hydrogen gas (H₂) is 2 g/mol. Then, the mass of 18.06 moles of hydrogen gas is 36.12 g.

What is one mole ?

One mole of any substance contains 6.02 × 10²³ atoms. This number is called Avogadro number. Thus, one mole of every elements contains Avogadro number of atoms.

Similarly one mole of a compound contains Avogadro number of molecules. Hydrogen normally exists in the molecular state H₂ as hydrogen gas.

Molecular mass of H₂ = 2 g/mol.

given number of moles = 18.06 moles.

mass of hydrogen gas = number of moles × molecular mass

mass = 18.06 × 2 = 36.12 g.

Therefore, the mass of 18.06 moles of hydrogen gas is 36.12 g.

Find more on hydrogen gas:

https://brainly.com/question/11426882

#SPJ1

how do the attractive and repulsive forces between two atoms compare when the atoms form a covalent bond?

Answers

In a covalent bond between two atoms, the repulsive forces between the two positive nuclei gets cancelled out as the attractive forces between the positive nuclei and the negative electrons is more.

A covalent bond is said to be a bond formed between two atoms by the sharing of equal number of electrons present in both the atoms.

In a covalent bond, the dense electron cloud is concentrated in between the two nuclei of the atoms.

The attractive forces balance out the repulsive forces. So, If any net force is left, the atoms will still accelerate. Therefore, the forces that will pull the two atoms together must be equal to the forces that will push them apart.

To know more about covalent bond here

https://brainly.com/question/29850595

#SPJ4

What do you think method is faster classical or instrumental?

Answers

Answer:

Instrumental Methods.

Explanation:

Compared to simple laboratory tests, instrumental methods of analysis may give improved: speed (they are quick) accuracy (they reliably identify elements and compounds) sensitivity (they can detect very small amounts of a substance in a small amount of sample)

Have a wonderful day! :-)

Waves have energy that causes particles in matter to vibrate. So, it stands to reason that(1 point)

Answers

Waves have energy that causes particles in matter to vibrate, which is why they can transfer energy and heat through matter.

How does the frequency of a wave relate to its energy?

The frequency of a wave is a degree of what number of oscillations or cycles of the wave arise in a given time period. It is measured in hertz (Hz). The electricity of a wave is associated with its frequency in that the higher the frequency of the wave, the extra electricity it contains. This is due to the fact greater oscillations according to 2nd manner that extra electricity is being transferred in a given amount of time. So, waves with better frequency have more power than waves with decrease frequency. That is why waves with high frequency like X-rays and Gamma rays are considered dangerous as they create more energy and may reason ionization, even as waves with low frequency like Radio waves are less dangerous as they bring less energy.

To know more about Frequency visit: https://brainly.com/question/5102661

#SPJ1

particle derives its name from the fact that it has no electrical charge; it is neutral and found in the nucleus of an atom
Name the sub-atomic particles present in an atom.
A. Electrons
B. Protons
C. Neutrons
D. Molecules

Answers

A. Electrons, B. Protons, and C. Neutrons are the sub-atomic particles found in an atom. Electrons are subatomic particles with a negative charge that revolve around an atom's nucleus. The atom's nucleus contains positively charged protons, which are particles. Neutrons, neutral particles, are also present in the atom's nucleus.

Molecules are not sub-atomic particles, but rather a group of atoms that are chemically bonded together. Electrons determine the chemical properties of an element; protons determine the atomic number and neutrons add mass to the atom.

To learn more about subatomic particles:

https://brainly.com/question/16847839

#SPJ4

explain why the melting and boiling points of covalent compounds are usually lower than those of ionic compounds.

Answers

Covalent compounds are composed of molecules that are held together by the sharing of electrons, while ionic compounds are held together by electrostatic forces between positively and negatively charged ions due to which the melting and boiling points of covalent compounds are usually lower than those of ionic compounds.

Because covalent bonds involve the sharing of electrons, the molecules in covalent compounds are held together more loosely than those in ionic compounds.

This looser bonding structure causes the melting and boiling points of covalent compounds to usually be lower than those of ionic compounds.

The lower melting and boiling points can be attributed to the weaker bonds between the molecules in covalent compounds, which require less energy to break and reform.

Covalent compounds are composed of molecules, which are formed by atoms sharing electrons. This sharing of electrons creates strong bonds between the atoms, making the molecules less stable than the ions in ionic compounds.

To learn more about ionic, click here:

https://brainly.com/question/14614762

#SPJ4

How many additional electrons need to be added to Group 7A neutral atom to give the octets of electrons in their valence shells ?

Answers

The highest-energy orbitals of the seven valence electrons in the Group 7A elements are present (ns2np5). These elements typically form halides, or anions with -1 charges, such as fluoride (F-), chloride (Cl-), bromide (Br-), and iodide (I-), as they are one electron short of having an entire octet of eight electrons.

How many electrons are needed for group 7A to complete their octets?Fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (As) are the halogens that make up group 7A (or VIIA) of the periodic table (At). Greek terms halo- ("salt") and -gen give the name "halogen," which means "salt former," its meaning ("formation").The highest-energy orbitals of the seven valence electrons in the Group 7A elements are present (ns2np5). These elements typically form halides, or anions with -1 charges, such as fluoride (F-), chloride (Cl-), bromide (Br-), and iodide (I-), as they are one electron short of having an entire octet of eight electrons. The halogens generate compounds by covalently connecting with other nonmetals to produce mixtures.The halogens are diatomic molecules with two bonds that make up their elemental form, designated X2. Because each halogen has one unpaired electron, it is simple for them to "couple up" to form diatomic molecules. Since the X2 molecules are nonpolar, their only interactions are relatively weak London forces. However, as the size of the atoms increases, the strength of the London forces increases, increasing the melting and boiling points of the molecules: fluorine is a gas that liquefies at -188oC, chlorine is a gas that liquefies at a much higher temperature of -34oC, bromine is a liquid that boils at 59oC, and iodine.

To Learn more About  seven valence electrons refer To:

https://brainly.com/question/7353574

#SPJ1

You determine that your sample has a mass of 386 g and a volume of 20 ml. It also is fairly unreactive to a magnet. What is your rock? Explain your reasoning

Answers

Irdosmine  has a mass of 386 g and a volume of 20 ml. It also is fairly unreactive to a magnet.

irdosmine, commonly known as osmiridium, is an alloy of iridium with a little amount of osmium. We discovered the rock using the density formula

density[tex]Density=\frac{mass}{volume}\\\\ =\frac{386}{20}\\\\ =19.3\\[/tex]

Both natural and synthetic iridosmine are utilised for the tips of pen nibs, surgical needles, and sparking points in engines due to their hardness and corrosion resistance. Siserskite is the name given to similar alloys that have more osmium than iridium. Iridosmine and siserskite both form hexagonal crystal structures. Natural osmium and iridium alloy used to make a strong, corrosion-resistant mineral that is often found in small amounts in needles and pen nibs.

learn more about iridium Refer:brainly.com/question/20713777

#SPJ4

it took 32.47 ml of .1224 m naoh to reach the endpoint when titrating a sample containing .4073 g of an unknown acid. how many moles of sodium hydroxide were used? you must show all all calculations to receive credit.

Answers

It took 32.47 ml of .1224 m NaOH to reach the endpoint when titrating a sample containing .4073 g of an unknown acid.

The formula for number of moles(n) is:

n = Molarity × Volume( in liters )

n = 0.1224 x32.47 ÷ 1000 moles

n = 0.00397 Moles.

[tex]3.9 * 10 ^-3 Mol NaOH[/tex]

Sodium hydroxide is sometimes known as caustic soda or lye. It is a common ingredient in cleansers and soaps.

At room temperature, sodium hydroxide is a solid that is white and odorless. Sodium hydroxide is a liquid that has no color or smell. It can have violent interactions with water and strong acids. The corroding acid is sodium hydroxide. NaOH may heat up as it dissolves if airborne moisture reacts with it. This heat may be sufficient to start a fire if it is close to combustible materials.

Sodium hydroxide is useful because it can alter lipids. It is a crucial component of household products like liquid soap and drain cleaners. White pellets or a solution in water are the two most widely available forms of sodium hydroxide for sale.

Learn more about Heat here:

https://brainly.com/question/1429452

#SPJ4

Some alloys date back to very early ages. Bronze was the first alloy used dating back to prehistoric times (4500 B.C.) What makes up a bronze alloy? Why do you think the first man experimented with making bronze, and what benefits do you Alloys think bronze provide early man?​

Answers

Bronze is an alloy composed primarily of copper and tin.

Why do you think the first man experimented with making bronze?

It is believed that early man began experimenting with making bronze because the combination of these two metals produced a material that was harder and stronger than either of the individual metals.

This allowed early man to make better tools, weapons, and other items that were essential for survival.

The discovery and use of bronze represented a major step forward in human technological development and helped to shape the course of human history.

Read more about bronze here:

https://brainly.com/question/25922261

#SPJ1

• When you peel an orange the fragrance you smell is called an ester. This ester is 69.8% carbon, 18.6% oxygen and 11.6% hydrogen. When 5.3g is vaporized at 1250C
and 102kpa it occupies 1L. What is the molecular formula of this ester?

Answers

The molecular formula from percent composition and empirical formula is C₅H₁₀O.

What is empirical formula?

Empirical formula of a compound is defined as the simplest whole number ratio of atoms which are present in a compound.

Molecular formula is determined from the empirical formula by dividing the molar mass of a compound by the empirical formula mass. The resultant which should be a whole number or very close to the whole number , then the subscripts are multiplied by the whole number to get the molecular formula.

Here, for C= 69.8/12=5.82/1.16=5

for O= 18.6/16=1.16/1.16=1

for H=11.6/1=11.6/1.16=10

Thus, the  the molecular formula of this ester is C₅H₁₀O.

Learn more about empirical formula,here:

https://brainly.com/question/14044066

#SPJ1

Which position has the most kinetic energy?

1
2
3
4

Answers

Kinetic energy is the energy an object possesses due to its motion. The amount of kinetic energy an object has is directly proportional to the mass of the object and the square of its velocity.

Without any specific information about the mass of the object or its velocity at each position, it's impossible to determine which position has the most kinetic energy. The kinetic energy will depend on the mass and velocity of the object at each position, and without that information it's impossible to compare the kinetic energy of each position.

In an Experiment a fuel raied the temperature of 500g of water by 4 degree C.
a) work out the energy releaed in the experiment.( It take 4.2J of energy to raie the temperature of 1g of water by 1 degree C)

Answers

By dividing the energy required to increase the temperature of 1 gramme of water by 1 degree Celsius (4.2 J) by the weight of the water in theexperiment (500 g) and the number of degrees raised, the energy released during the experiment can be estimated (4 degrees).

The capacity to perform labour is energy. Kinetic energy (energy in motion), potential energy (energy stored), thermal energy (heat), electrical energy, and chemical energy are only a few of its numerous variations. These energy sources can be changed into one another. Coal, for instance, is a type of chemical energy that can be transformed into thermal energy to produce electricity. Solar panels transform solar energy into electrical energy. Although fossil fuels like coal, oil, and natural gas are still the most widely utilised types of energy today, renewable energy sources including wind, solar, hydropower, and geothermal energy are gaining importance. Because they don't release greenhouse gases or deplete scarce resources, the utilisation of renewable energy sources is crucial.

Learn morea about energy here;

https://brainly.com/question/11399976

#SPJ4

determine the air/soil partition coefficient for benzene, trichloroethylene (tce) and benzo(a)pyrene [b(a)p] for a soil consisting of 0.5 volume fraction solids, 0.35 volume fraction of air, and 0.15 volume fraction of water. this soil is known to contain 3% (by weight) of natural soil organic carbon (this is already included in the above solids volume fraction).

Answers

For a soil that contains 0.5 solids, 0.35 air, and 0.15 water in its volume fraction, the air/soil partition coefficient for benzene and trichloroethylene is 3.33.

Benzene is an organic compound with the molecular structure C6H6. The benzene molecule is made up of six carbon atoms joined to one another in a planar ring and one hydrogen atom coupled to each one. Due to its pure carbon and hydrogen atom composition, benzene is a hydrocarbon. In fluid mechanics and chemistry, the volume fraction is the ratio of a constituent's volume to the sum of all the other constituents' volumes.

0.5/15 = 3.33 is the benzene coefficient.

coefficient for benzene = 0.5/0.15 = 3.33

Learn more about molecular structure here

https://brainly.com/question/503958

#SPJ4

A Biologist Wants To Flash Freeze Several Samples That She Has Collected From Her ..

Answers

Methane and nitrogen can be used to flash freeze her samples.

what part of an atom exists in orbitals surrounding the nucleus?

Answers

electron part of an atom exists in orbitals surrounding the nucleus.

The orbitals or shells that enclose an atom's nucleus are home to electrons. In the nucleus, protons and neutrons are present. In the atom's nucleus, they coalesce. An atom's nucleus is surrounded by electrons in distinct orbits. At whatever distance from the nucleus, electrons cannot just exist. The levels of these orbits are numbered 1, 2, 3, and so forth, with level 1 being the orbit closest to the nucleus. Take a look at the illustration on the right. Two electrons are contained in each orbital, and each has a unique spin. An atom's orbital is a pocket of space where an electron belonging to a certain subshell can be found.

What part of an atom exists in orbitals surrounding the nucleus?

A. electron

B. photon

C. neutron

D. proton

Learn more about electron here:

https://brainly.com/question/1255220

#SPJ4

Sulfur dioxide is present in our atmosphere, and is used as a preservative and foods. Is it possible to use the common charges that sulfur an oxygen make to determine this formula

Answers

Sulphur dioxide (SO2) is a molecule that consists of one sulphur atom and two oxygen atoms. The sulphur atom has a charge of +6 and the oxygen atoms have a charge of -2, so the overall charge of the molecule is neutral, as the charges cancel out.

The formula for sulphur dioxide is determined by the number of atoms of each element that are present in the molecule. In the case of sulphur dioxide, there is one sulphur atom and two oxygen atoms, so the formula is written as SO2.

The common charges formed by sulphur and oxygen can be used to determine the formula of a compound. The charges of the atoms can be used to determine the number of atoms needed to balance the charges and result in a neutral compound. However, it would not be the only way to determine the formula of a compound; other ways include observing the chemical reactions, using mass spectroscopy, or using X-ray crystallography.

It is possible to use the common charges that sulphur and oxygen atoms make to determine the formula of a compound by determining the number of atoms needed to balance the charges and result in a neutral compound. However, this is not the only way to determine the formula of a compound. Other methods include observing the chemical reactions, using mass spectroscopy, or using X-ray crystallography.

In summary, the formula for sulphur dioxide (SO2) is determined by the number of atoms of each element that are present in the molecule, which in this case is one sulphur atom and two oxygen atoms. The charges of the atoms can be used to determine the number of atoms needed to balance the charges and result in a neutral compound, but it is not the only way to determine the formula of a compound.

Learn more about Sulphur dioxide : https://brainly.com/question/15654465

 

 

 

 

 

 

 

 

 

 

 

 

ceviche is a dish in which raw fish is marinated with lime juice. lime juice contains citric acid which has a pka of 6.41. what would be the ratio of citrate:citric acid if the ph of the dish is 5.5

Answers

The ratio of citrate : citric acid if the pH of the dish is 5.5 is  0.12

pH = pKa plus log(ka) pH - pKa = log([HA] / [A-]), where citrate is present in a 0.12 ratio. The word "denaturation" describes how fish proteins are changed by the citric acid in lime juice. The shapes of molecules, notably proteins, dictate the majority of their physical and chemical properties, and the less complex geometries of the typically coiled and folded protein complexes are unwound or unfolded. They have, in other words, "denatured," or lost their original nature. Yes, cooking does cause denatured proteins. However, a lot of other things than acids and heat can also denature proteins. This can be brought on by salts with high concentrations, including table salt (sodium chloride). The cream-whipping bubbles are an example of how it can be done using air. Alkalis can also be used to achieve it, the reverse despite occurring less frequently, the opposite of heat is low temperatures and acidity. The cooking analogy comes from the fact that heat is the most frequent source of protein denaturation in culinary environments.

Learn more about acidity here:

brainly.com/question/11543614

#SPJ4

How could you tell the following three white artificial sweetener powders apart using flame tests? You have: Equal® (C14H]gN2O5, a non-ionic compound that doesn't produce a metal ion), Ace-K (KC;H. NO. S), and Sweet 'N Low (Ca(CH4NO:S)2)

Answers

Any substance that is burned in a flame emits a distinctive hue. Knowing the sort of cation present in the compound will allow us to forecast the color of the flame.

Based on the results of the flame test, the provided sweeteners can be separated from one another.

• Equal, an artificial sweetener, is made of a non-ionic molecule (C14H18N2O5). It has no cations at all. It won't exhibit any color in the flame test as a result.

Ace-K sweetener contains the K+ ion as its cation. Ace-K emits a lilac-colored flame as a result of the K+ ion's existence.

• The cation in Sweet 'N Low is the Ca2+ ion. Sweet 'N Low produces a flame that is brick-red in color due to the presence of Ca2+ ions.

To learn more about flame tests:

https://brainly.com/question/28715571

#SPJ4

a cell undergoing aerobic metabolism is fed with glucose labeled with 14c. assuming this is the sole source of carbon for the tca cycle, what percentage of co2 produced by the cell would be labeled with 14c after two turns of the tca cycle? assume that the cycle is primed with unlabeled oxaloacetate

Answers

The TCA cycle, also known as the Krebs cycle or citric acid cycle, is a series of chemical reactions that occurs in the mitochondria of cells.

It is a key component of aerobic metabolism, as it generates energy in the form of ATP from the breakdown of glucose and other fuels.

When glucose labeled with 14C is fed to a cell undergoing aerobic metabolism and becomes the sole source of carbon for the TCA cycle, the cycle will incorporate the 14C label into the molecules produced during the cycle.

The TCA cycle involves a series of 8 reactions, in which one molecule of acetyl-CoA enters the cycle, and is converted into 2 molecules of CO2.

Each turn of the TCA cycle will convert 1 molecule of acetyl-CoA into 2 molecules of CO2.

When glucose labeled with 14C is the sole source of carbon for the TCA cycle, 100% of the acetyl-CoA produced from the glucose will be labeled with 14C.

So after the first turn of the TCA cycle, 100% of the 2 molecules of CO2 produced will also be labeled with 14C.

In the second turn of the TCA cycle, one of the two CO2 molecules produced in the first turn will be used to regenerate the unlabeled oxaloacetate.

The other CO2 molecule produced in the first turn will be used to form another molecule of acetyl-CoA, which will again enter the TCA cycle and produce two new molecules of CO2.

So after two turns of the TCA cycle, 50% of the CO2 produced will be labeled with 14C.

This is because one of the two CO2 molecules produced in the first turn will be used to regenerate the unlabeled oxaloacetate, and the other will enter the TCA cycle again.

It's important to note that this is a simplified version of the TCA cycle, in reality, different cells have different levels of metabolic flux and different mechanisms that might contribute to the dilution of the labeled molecules.

To know more about Mitochondria,

https://brainly.com/question/15159664

#SPJ4

Please Help
An unknown Liquid was weighed in a pycnometer with a volume of 1.39 ml. The mass of the liquid was 0.963 g. What was the density of the liquid.

Answers

Answer:your mom

Explanation: your mom is the density

what conclusions can be drawn about bottled water versus tap water, based on the reading in the textbook?

Answers

The decision between bottled water and tap water is strongly versus by preferences and priorities. Water supply is never a better option than bottled water.

Is vs versus in formal writing?

The use of "against" abbreviations is typically more casual than using the full word. Use the complete term if you need to maintain a formal tone. The word "versus" can always be correctly spelled. Spelling things out is usually an excellent option if you are having trouble remembering which acronym is appropriate for your circumstance.

What does the legal term "people versus ." mean?

The People v. Defendant, the standard case caption in criminal court, casts the local community against a lone accused in an act of collective condemnation. 1. '”). The prosecution is sometimes used to Instead of "the Peoples," the prosecution may be referred to as "the State," "the Province," or "the United States" in various jurisdictions. Consider Orin S.

To know more about versus visit:

https://brainly.com/question/29678996

#SPJ4

The improvement of energy efficiency in the United States is important. Which scenario is least
likely to occur due to improved energy efficiency in the United States?
O Allow more time to improve use of renewable resources.
O Increase environmental problems.
Make nonrenewable resources last longer.
Reduce dependence on other countries.

Answers

Answer:

increase environmental problems

1.) Uranium is breaking down at a half-life rate of 10 minutes. It begins this decay at a mass of 48g and it takes 78 minutes to complete. How much Uranium is left after decay?

2.) Ra-226 has a half-life of 1,600 years. 14.0g of it takes 300 years to decay. What quantity is left after 300 yr?

3.) The half-life of Po-218 is 3 minutes. After 15 minutes Po-218 is finished decaying and there is only 0.625g left. How much Po-218 did you start with?

4.) A 32g sample of Curium-247 will break down in 6 half lives to make 0.5g of it. It has a half-life of 1.5 million years. How long does this take? Slide 13.

Show all Work and solve by using this Forumla:
N(t) = No(1/2) t/ t 1/2
Calculate for H to find the amount of half-lives before solving for N values.

Answers

The half life of uranium is 10 minutes. Then, the 48 g of uranium sample will decay to 0.21 g after 78 minutes.

What is radioactive decay ?

Heavy unstable radioactive isotopes undergo nuclear decay by the emission of charged particles. The nuclear decay is a first order reaction.

thus, decay constant k = 1/t ln W0/Wt.

The half life time of the sample = 10 minute.

decay constant = 0.693/ t1/2

k = 0.693/10 = 0.069 min⁻¹

then,W0 = 48 g

we have to find the amount  Wt.

time of decay t = 78 min

ln 48 g/Wt =  0.069 min⁻¹ × 78 min

Wt = 0.12 g.

Therefore, the mass of uranium sample left after the decay will be 0.12 g.

Find more on radioactive decay:

https://brainly.com/question/1770619

#SPJ1

What is the mass of O2 needed when 8.75 * 10^70 molecules of CH4 combust to form CO2?

Answers

As a result, when you enter your pertinent values, you get:E = -891 * 1.65 E = -1470.15 kJ.

What is the mass ?

The following results are obtained after entering the data into the formula:

((2*-238) + -394)

- [-75 + (2*0)]

H(reaction)=-891 kJ/mol

Now you need to find the kJ value for 1.65 mol.

You use the following standard formula:

Where E is energy expressed in kJ, E is equal to (reaction) * mol.

As a result, when you enter your pertinent values, you get:

E = -891 * 1.65 E = -1470.15 kJ

To learn more mass refer

https://brainly.com/question/6685683

#SPJ1

Given the chemical equation: C2H4 + O2  CO2 + H2O Balance the chemical equation. Explain how the balanced chemical equation agrees with the law of conservation of mass.

Answers

Answer: C2H4 + 3O2  2CO2 + 2H2O

Explanation: Since the exact same amount of atoms is on both sides, no mass or matter is lost which agrees with the law of conservation of mass. This law states that The law of conservation of mass is that, in a closed or isolated system, matter cannot be created or destroyed. It can change forms but is conserved.

Hope this helped!

What are some factors that affect the design of concert halls and movie theaters

Answers

Some factors that affect the design of concert halls and movie theaters are:

1. Acoustic characteristics: Acoustic characteristics, such as sound reflection, reverberation, and sound absorption, must be considered in the design of music halls and movie theaters. This is essential to guaranteeing the best possible audio clarity and quality, both for live performances and recorded audio.

2. Seating capacity: The number of seats in a theater or concert hall has a significant impact on the space's overall design. The audience's viewing and listening experiences will be impacted by the seating arrangement and the number of rows.

3. Lighting: The design of the lighting in concert halls and movie theaters is crucial since it can change the environment's ambience. Different moods and effects can be produced by specialized lighting systems, such as spotlights for live performances or low lighting for movies.

4. Sound and projection equipment: The positioning and functionality of sound and projection equipment, such as speakers, amplifiers, and projectors, must be considered when designing concert halls and movie theaters. For the best possible sound and image quality, this is crucial.

5. Accessibility: Many concert halls and movie theaters are designed with accessibility in mind, such as ramps, elevators, and accessible seating for people with disabilities. This is important to ensure that all members of the community have the opportunity to enjoy live performances and films.

To learn more about halls and movie theaters:

https://brainly.com/question/2555262

#SPJ4

What is the density of an object that will float in water?

Answers

Answer:

less than 1g/cm3

Other Questions
3. George deposits$500 in an accountthat earns 2.5%interest each year. Select all the equations that are NOT equivalent to p-7=22 the directions are : The table shows a proportional relationship between x and y. What is the unit rate of y per x. draw some of the cells you see. do you see coenobia? if so, how many cells do you typically see per coenobium? Jamie answered 16 questions in 4/5 minutes. How many questions were answered per minute? a client with myasthenia gravis has been receiving neostigmine and asks about its action. which information would the nurse consider when formulating a response? what is the most appropriate test to evaluate whether a government-spending program will improve living standards and lead to higher income levels? how does the use of computing raise legal and ethical concerns? X - 7 = -22please help Rita lent rs6800 for 5 years at 5% p. A. Interest , whereas mita lent rs 8600 for 4 year at 4%. Who earned more interest and by how much 03.05 ocean and weather current event worksheet student name: time estimate: 60 minutes current event: provide a citation for the current event you chose. be sure to include a general citation for the article or media piece that includes title, author, publication (or posting) date, and/or the website link of the video or podcast. current event summary: summarize the main idea and key points of the article in one paragraph below. evidence: use information from your current event to provide at least three pieces of evidence to support the claim. reasoning: use information about ocean and climate and your current event to provide reasoning connecting your evidence to your claim. If ABCD is a parallelogram, what is the length of BD? B 5 7. E 6 D thomas cole broke with tradition and ultimately inspired the hudson river school style by omitting or reducing the size of what in his wilderness paintings? all of the following topics fall within the study of microeconomics except a. the impact of cigarette taxes on the smoking behavior of teenagers. b. the role of microsoft's market power in the pricing of software. c. the effectiveness of antipoverty programs in reducing homelessness. The sun was beating down on me what technique is being used The following questions pertain to the element located in period 4 and group 15 of the periodic table.What is the name of this element?What is the atomic symbol for this element?Is this element a metal, a nonmetal, or a metalloid?What is the atomic number of this element?How many protons does a neutral atom of this element have?How many electrons does a neutral atom of this element have?What is the average number of neutrons in a neutral atom of this element?How many valence electrons does a neutral atom of this element have?Assuming the atom is at ground state, or its lowest energy level, how many energy levels exist in its electron cloud?Is the ion of this element larger or smaller than its neutral atom?What is the charge on the monatomic ion of this element?How many protons are in a monatomic ion of this element?How many total electrons are in a monatomic ion of this element?How many valence electrons are in a monatomic ion of this element? Three of these pairs of quantities are related by direct variation. Which pair is NOT?A. x=hours traveled at 60 miles per hour, and y= total distance traveledB. x=length of a rectangular table, in inches, and y=length of the table, in centimetersC. x=number of $1-off coupons used, and y=amount savedD. x=time it takes to travel 60 miles, and y=speed traveled vacca what are new literacies and how are they changing the way we think about learning and literacy in the twenty-first century which of the following practices would be considered an ethical business choice that does more than the law requires? you are a system administrator for a financial institution. most of your employees work at home and have various work environments. one of your account managers is complaining that customer data is disappearing from her account management application. she insists that she saves data regularly and has not had a problem until recently. her workstation has both a solid-state drive (ssd) and a traditional hard drive. she runs the application from the ssd drive, but stores the customer data on the hard drive. she has recently moved her desk to a room in her house that is used for entertainment. the room has a sound system with several installed speakers for surround sound. which of the following types of interference might be causing the issue with disappearing customer data?