Answer:
rotational
Explanation:
when something is move
Write the balanced equation for the dissolution of NH4NO3 in water. If 3.5 mol NH4NO3 are dissolved, how many moles of each type of ion are produced? How many total moles of ions are produced?
Answer:
According to the balanced equation TWO moles ammonium nitrate produces FOUR moles of water. It’s a simple proportion. You get twice as many moles of water as you have ammonium nitrate.
Explanation:
Explain the oxidation of saturated fatty acids
Answer:
Fatty acids, obtained from the breakdown of triglycerides and other lipids, are oxidized through a series of reactions known as β-oxidation. In each round of β-oxidation, 1 molecule of acetyl-CoA, 1 molecule of NADH, and 1 molecule of FADH2 are produced.
How is Helium-3 different from the most common nuclear fuel- Uranium ?
Answer:
demonely it was different
What can change the number of births in a population?
Answer:
An increased population in younger women. Studies show that younger women may have more children.
I can't put too much complex information or brainly will delete this.
I hope this answers your question! Thanks, and have a wonderful day.
In an ecosystem with an increase in population of young women there can be an increase in the number of births.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
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What are the correct coefficients in order for the equation to be balanced?
Answer:
F2: 1
NaBr: 2
NaF: 2
Br: 1
Explanation: Give like :(
What is the number of molecules of CO2 in 0.236 moles?
Answer:
mole of CO2 = 6.023*10^23 molecules.
3 moles of CO2 = 3*6.023*10^23 molecules
therefore, 3 moles of CO2 = 18069*10^20 molecules.
The following questions pertain to a 0.50 M solution of HOCl at 25℃. pKa = 7.46 at 25℃. a. Find the concentration of all species present in the solution at equilibrium. b. Find the pH of the solution. c. Identify the strongest base in this system.
The concentration of all species, the pH of the solution, and the strongest base is respectively given as)
a
C_HOCl=0.5C_H3O=1.137*10^{-7}ClO=1.137*10^{-4}b)pH=3.88
c)ClO-
What are the concentration of all species, the pH of the solution, and the strongest base?
Question Parameters:
a 0.50 M solution of HOCl at 25℃. pKa = 7.46 at 25â„
Generally, the equation for the Chemical Reaction is mathematically given as
HOCl=H30+ClO
Therefore
ka=\frac{H3O(ClO)}{HOCl}
Ka=10^{-7.46}
x.x/0.5-x=10^{-7.46}
x=1.317*10^{-4}
In conclusion
a)
the concentration HOCl
C_HOCl=0.5-1.137*10^{-4}
C_HOCl=0.5
the concentration H3O
C_H3O=1.137*10^{-7}
the concentration ClO
ClO=1.137*10^{-4}
b)
pH=-log(1.317*10^{-4})
pH=3.88
c)
The strongest base of the three is the
ClO-
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How do Earth's plates move?
Don't give a copied answer
Answer:
Plates on Earth's surface shift as a result of strong heat in the Earth's core, which causes molten rock in the mantle layer to move. It flows in a pattern known as a convection cell, which formed as heated material rises, cools, and then sinks. As the cooled material lowers, it heats up and rises again.
Explanation:
How many TOTAL atoms are contained in 10 molecules of TNT, C7H5N3O6?
If beaker A has 50 ml of fluid and Beaker B has 53 ml of fluid (which includes a key), what is the volume of the key?
Which organism is most responsible for the decrease in the great white shark population? (1 point)
O rays
O oysters
O scallops
O humans
com/index.html
Answer: Humans
Explanation: because humans kill great white sharks because scallops, rays and oyster cannot kill them
Answer:
D
Explanation:
The answer is d humans because i already took the test and that's the awnser
why can't soild particles move freely
Answer:
Ionic, atomic, and molecular particles (ions, atoms, and molecules) As a result of strong inter-particle forces, the particles are only able to vibrate rather than move freely. This results in solids having a stable, distinct shape as well as a distinct volume. Solids can only be broken or cut by an outside force.
I hope this helps you
:)
Be sure to answer all parts. How many moles of water contain each of the following number of molecules?
Report your answer using appropriate number of significant figures.
a. 9.52 x 1026 molecules
_____ mol
b. 7.81 x 1022 molecules
_____mol
c. 2.5 % 1023 molecules
_____ mol
Answer:
1.520
1.333
15.899
Explanation:
its very easy
N = n x No
No = avogadro's number = 6.02 x 10²³
n = mol
a. 9.52 x 10²⁶ : 6.02 x 10²³ = 1.58 x 10³ (3 sig figs)
b. 7.81 x 10²² : 6.02 x 10²³ = 1.30 x 10⁻¹ = 0.130 (3 sig figs)
c. 2.5 x 10²³ : 6.02 x 10²³ = 0.42 (2 sig figs)
What happens when a hydrogen atom acts like a nonmetal in a chemical reaction?
a.It gains an electron
b.It loses an electron.
c.It loses a neutron.
d. It gains a neutron.
Answer:
B
Explanation:
Since hydrogen has only one valence electron, it tends to lose or share with non-metals like chlorine to obtain a stable state.
is my answer right? i have a feeling its not correct
Temperature is usually defined as a measure of the warmth or coldness of an object or substance. Your answer is, correct do not worry.
helppp me please !!
Pepto-Bismol, an antacid and antidiarraheal, contains bismuth subsalicylate, C-H3O.Bi. Some
users of this product can experience a condition known as "black tongue,” which is caused by the reaction of bismuth(III) ions with trace amounts of sulfide ions (S2) in saliva to form a black
precipitate. Write the balanced complete and net ionic equations for this precipitation reaction,
include phase for each substance.
Include both Complete Ionic and Net Ionic.
The net ionic reaction for the precipitation of the product is 2Bi^3+(aq) + 3S^2-(aq) ------>Bi2S3(s)
What is precipitation?Precipitation is a reaction between two aqueous species which yields an insoluble product or a precipitate. The precipitate occurs as a solid mass in the reaction vessel.
Now, the reaction occurs as follows;
2Bi^3+(aq) + 3S^2-(aq) ------>Bi2S3(s)
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What mass of iron (III) chloride contains 2.35 x [tex]10^{23}[/tex] chloride ions?
Answer:
I hope it's help you that I knowWhat is the missing symbol in the following nuclear transformation
Answer:
the missing symbol is 2 b e
Explanation:
I need help with Chemistry: Mole Conversion
It must be answered in complete detail
Answer:
As Per Given Information
Given mass of H₂O₂ ( Hydrogen Peroxide) 4.0 gm
We've been asked to find the number of moles in Hydrogen Peroxide .
First we calculate molecular mass of Hydrogen Peroxide .
Molecular mass of H₂O₂ = 1×2 + 16 × 2
Molecular mass of H₂O₂ = 2 + 32
Molecular mass of H₂O₂ = 34 gm
Now find the number of moles in given hydrogen peroxide .
[tex] \diamond{\boxed{\blue{\bf{Number \: of \: moles \: = \frac{Given \: mass}{Molecular \: mass} }}}} [/tex]
Put the given value we obtain
[tex] \sf \twoheadrightarrow \: Number \: of \: moles \: = \frac{4}{34} \\ \\ \sf \twoheadrightarrow \: Number \: of \: moles \: =0.117[/tex]
So, the number of moles is 0.117 .
Molar mass of Hydrogen peroxide
2(1)+2(16)34g/molNo of moles
Given mass/Molar mass4/340.117molCuánto equivale.1022 átomos de carbono en moles
Answer:
I don't understand your language sirIf two boxes are pushed with the same amount of total force, one weighs 1kg & the other weights 100 kg, which box will accelerate faster
Answer:1kg box because the smaller the mass, the greater the acceleration
Question 22 of 25
What is one difference between using nuclear energy and biomass energy?
A. Nuclear energy does not produce carbon dioxide.
B. Nuclear energy cannot be used to make electricity.
C. Nuclear energy can only be used in sunny areas.
D Nuclear energy does not produce any waste products.
Nuclear and Biomass energy are the type of energies that differs from each other in producing carbon dioxide. Thus, option A is accurate.
What are nuclear and biomass energy?Nuclear energy is nonrenewable energy that concerns nuclear reactions to produce electricity. It includes the nuclear fission of the atoms to release energy.
Biomass energy is a renewable source of energy that utilizes and employs living and nonliving biomaterials to generate energy in the form of fuel and electricity. It also produces carbon dioxide as a by-product.
Therefore, option A. the release of carbon dioxide differs nuclear energy from biomass energy.
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It takes Maya 30 minutes to solve 5 logic puzzles, and it takes Amy 28 minutes to solve 4 logic puzzles. Use models to show the rate at which each student solves the puzzles, in minutes per puzzle If Maya and Amy had the same number of puzzles to solve, who would finish first? Explain.
we can smell because we have nose
yes it's true.
we can smell cause we have nose have smelling sense.
Answer:
Really? I thought we had noses to poke in other people's business
The temperature of a sample of iron increased by 23.1 °C when 267 J of heat was applied. What is the mass of the sample?
Answer:
25
Explanation:
go answer my question pls
Q = mcΔt
c iron = 0.449 (from table)
m = Q/cΔt
m = 267 /(0.449 x 23.1)
m = 25.74 g
is each of the following in a state of equilibrium? Explain.
5. Ice cubes are melting in a glass of water with a lid on it …
Because ...
6. Crystals of potassium dichromate were dissolved in water, and now the water is a uniform orange color with a small amount of crystal left in the closed container. …
Because ...
7. An apple that is left on the counter for a few days, it dries out and turns brown …
Because ...
Answer:
the correct answer is number 7
HELP ASAP WHICH ONE IS THE ANSWE A OR B OR C OR D ???? ! !!!
Answer:
1. C
2.B
Explanation:
A .3 kg toy rocket was launched with a velocity of 3m/s. How much potential energy would it have at the moment it reaches its maximum height? Use the following formulas.
(KE = 1/2 mv2), (PE= m x g x h), (Total energy = PE + KE)
The potential energy of the rocket when it reaches its maximum height is 13.5 J.
What is potential energy?Potential energy is the energy of a body by virtue of its position in the gravitational field.
To calculate the potential energy it will have at the maximum height, we use the formula below
Formula:
P.E = mv²/2............. Equation 1Where:
P.E = Potential energy of the toy rocketm = mass of the toyv = velocity of the toyFrom the question,
Given:
m = 3 kgv = 3 m/sSubstitute these values into equation 1
P.E = (3×3²)/2P.E = 13.5 JHence, The potential energy of the rocket when it reaches its maximum height is 13.5 J.
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What is the period of a water wave with a frequency of 0.5 Hz?