The partial pressures (in atm) of NH₃ and HCl after the reaction reaches equilibrium is mathematically given as
PH3=1.06*10^{-8}atmPHCl=1.06*10^{-8}atmWhat is the partial pressures (in atm) of NH₃ and HCl after the reaction reaches equilibrium?Question Parameter(s):
Generally, the equation for the Chemical Reaction is mathematically given as
HCl(g) ⇌ NH₄Cl(s)
Therefore
[tex]Keq=\frac{1}{PH3*PHC}[/tex]
PH3*PHCl=1.23*10^16
Therefore
P^2=1.23*10^{-16}
P=1.06*10^{-8}
In conclusion,
PH3=1.06*10^{-8}atm
PHCl=1.06*10^{-8}atm
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Spectroscope, PLS help pls I'LL GIVE BRAINLIEST
Answer:
I don't know what the correct answer is
Explanation:
A canister of neon contains 4. 8x10^24 atoms of the gas. How many moles of neon are present in the canister?
Answer:
13.28 moles
Explanation:
A mole is avogadro's number of atoms, or 6.022*10^23 atoms. You just have to divide the amount of atoms by avogadro's number to get the amount of moles. (8*10^24)/(6.022*10^23)=13.28 moles of neon
Convection creates circulating current in a pot of boiling water because _____ water rises and ____ water sinks
The answer should be 'hotter' and 'cooler'
The hot water molecules would become less dense and thus rise above the denser cooler molecules.
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Terylene is a popular form of
A. Polyester
B. Monomer
C. Plastic
D. Nylon
Answer:
Polyester
Explanation:
Terylene is popular form of polyesterIt is made by the mixing ethylene glycol and terephthalic acid with the elimination of waterMatch the scientist with their achievement:
Answer:
Frederich Miescher- first person to isolate DNA and RNA
Frederick Griffith- first to demonstrate horizontal transmission of dna using bacteria
Gregor Mendel- documented and demonstrated inheritance patterns
Thomas Hunt Morgan- identified chromosomes as the structures responsible for inheritance
Joachim Hammerling- demonstrated that the hereditary information of of eukaryotes is contained within the nucleus
Alfred Hershey and Martha Chase- demonstrated that dna not protein was the molecule responsible for hereditary
George Beadle and Edward Tatum- used mutants to show the relationship between DNA and proteins
Albrecht Kossel- characterized the structure of adenine, guanine, cytosine, thymine, and uracil
Explanation:
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Match the scientist with their achievement:
Albrecht Kossel: Characterized the structure of adenine, guanine, cytosine, thymine, and uracilFriedrich Miescher: First person to isolate DNA and RNAGregor Mendel: Documented and demonstrated inheritance patternsThomas Hunt Morgan: Used mutants to show the relationship between DNA and proteinsJoachim Hammerling: Demonstrated that the hereditary information of eukaryotes is contained within the nucleusGeorge Beadle and Edward Tatum: Demonstrated that DNA, not protein, was the molecule responsible for heredityFrederick Griffith: First to demonstrate horizontal transmission of DNA using bacteriaAlfred Hershey and Martha Chase: Identified chromosomes as the structures responsible for inheritanceLean more about Scientist, here:
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The HR diagram includes data on many common stars that can be found in the night sky. Based on the data in the diagram, what is the relationship between temperature and absolute brightness in the main sequence stars?
As the star's temperature increases, absolute brightness will be unpredictable.
As the star's temperature increases, absolute brightness will stay the same.
As the star's temperature increases, the absolute brightness will decrease
As the star's temperature increases, the absolute brightness will increase.
Answer:
The higher the temperature, the brighter the star.
Explanation:
How many sigma bonds are present in acetylsalicylic acid.
Answer:13
Explanation:”13 sigma bonds”
LGBTQ
any friends out there for me?
Answer:
ill be your friend
Explanation:
im apart of the lgbtq+ community im bi
Answer:
Sure! I'm born female and I'm pan
Explanation:
Write a few sentences about respiration in your own words
Answer:
Is production of energy
According to Avogadro's law, what do equal volumes of ideal gases at
the same temperature and pressure contain?
Answer:
contain an equal number of molecules
Answer: equal volumes of different gases contain an equal number of molecules.
Explanation:
A proton and an electron are near each other. What way does their electric force point?
A. No force between them
B. Repulsive
C. Outward
D. Attractive
Answer:
D
Explanation:
proton is positive while electron is negative so they will attract
The attractive force will be there if a proton and an electron are near each other. Hence, option D is correct.
What is an attractive force?The force by which one object attracts another.
Proton is positive while electron is negative so they will attract.
Hence, the attractive force will be there if a proton and an electron are near each other.
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3. What is the total number of N, atoms in 56.0 grams of nitrogen gas at STP?
And: 89.53L
Explanation:
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What is the best definition
of thermal expansion?
A. Thermal expansion is when an object's volume
increases due to heat increase.
B. Thermal expansion is when an object's volume
decreases due to heat increase.
C. Thermal expansion is when an object's volume stays the
same due to heat increase.
Answer:
B.
Explanation:
thermal expansion♡
answer:
I think is B. Thermal expansion is when an object's volume
decreases due to heat increase.
Which effect is one likely result of a forest fire? extinction adaptation speciation forced migration
Forced migration effect is one likely result of a forest fire condition.
What is migration?Migration is a process in which group of species like birds, animals or any living organism will go from one place to other place.
When in the forest if fire is placed then in this condition, living organism of forests such as birds, insects, animals and mammals will go to other place without their willingness. This type of migration is known as forced migration.
Hence, option (d) is correct i.e. forced migration.
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Answer:
forced migration
Explanation:
Organisms will be forced to move from their natural habitat if a forest fire takes place. This is because they will have to move from their devastating habitat to an area that is less threatening and safer for survival.
Therefore, the answer is forced migration.
1) according to the kinetic molecular theory of gases, a gas can be compressed much more than a liquid or solid because gas particles do not attract or repel one another b) the particles of a gas are very far apart. c) gas particles move faster when the temperature increases. d) gas particles move rapidly. in) a gas is composed of very small particles.
Answer:
option (b)
Explanation:
A gases can be compressed much more than a solid or liquid because the particles of a gas are very far apart
A gas has a volume of 87.5 L and 8.7 moles. if the amount of moles is increased to 18, what is the volume?
Answer:
V2 = 181
Explanation:
Follow this equation: V1/n1 = V2/n2
V1 = 87.5L
n1 = 8.7
n2 = 18
V2 =?
V1/n1 = V2/n2 (to find V2, switch n2 to the other side)
So it going to be ---> n2×V1/n1 = V2
18×87.5/8.7 = V2
1575/8.7 = V2
181 = V2
So the answer is: 181
what reactions happen when you put sodium in water?
Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients. Br2(l) + I2 (s) --> IBr3(g)
Answer:
3 Br₂(l) + I₂ (s) --> 2 IBr₃ (g)
Explanation:
After multiplying the coefficients and the subscripts, this would leave you with:
Reactants: 6 Br and 2 I
Products: 6 Br and 2 I
These are the lowest possible coefficients because you cannot further divide the coefficients and still get a whole number.
Which of the following statements correctly explains why we experience seasons?
(13 Points)
A. As the Earth moves away from the Sun, we change from summer to fall to winter. As the Earth moves closer to the Sun, we change from winter to spring to summer.
B. As the Earth spins on its axis, we experience seasons. Each 1/4 spin of the Earth on its axis represents a change in season.
C. Earth's tilt on its axis means one hemisphere leans toward the Sun, causing it to experience warmer temperatures. As Earth revolves around the Sun, a different hemisphere leans toward the Sun, causes warmer temperatures in that hemisphere.
D. The Moon moving in front of the Sun causes temperatures on Earth to drop, which causes winter. When it moves behind the Sun, a rise in temperature causes summer.
What is the fluoride ion concentration for a saturated solution of BaF 2 if the K sp for BaF 2 is 1.8 × 10 -7 ?
[tex]\\ \rm\rightarrowtail BaF_2\longrightarrow Ba^{2+}+2F-[/tex]
BaF_2 be xBa2+ is also xF- is 2xNow
[tex]\\ \rm\Rrightarrow K_{sp}=[Ba^2+][F-]^2[/tex]
[tex]\\ \rm\Rrightarrow 1.8\times 10^{-7}=x(2x)^2[/tex]
[tex]\\ \rm\Rrightarrow 4x^3=1.8\times 10^{-7}[/tex]
[tex]\\ \rm\Rrightarrow x^3=0.45\times 10^{-7}[/tex]
[tex]\\ \rm\Rrightarrow x=\sqrt[3]{0.000000045}[/tex]
[tex]\\ \rm\Rrightarrow x=0.00376M[/tex]
[tex]\\ \rm\Rrightarrow x=3.8\times 10^{-3}M[/tex]
So
[tex]\\ \rm\Rrightarrow [F-]=2x=7.6\times 10^{-3}M[/tex]
CLAIM:Pennies are not all copper.
EVIDENCE:The density of copper bar is 8.4 g/cm^3, while the pennies have a density of 6.9 g/mL.
Reason:If the density of the pennies are not the same as the copper bar. The pennies can't be pure copper.
My teacher wants me to find out why pennies are not all copper.
Answer:
Explanation:
Mint produced more than 130 billion pennies. Then, in 1982 the Mint introduced a penny that is 97.6 percent zinc and only 2.4 percent copper with a density of 7.2 g/mL. By comparison, the old pre-1982 copper pennies were 95 percent copper and 5 percent zinc with a density of 8.8 g/mL.
Which of the following is correctly balanced?
A.
Na2S + HCl → 2NaCl + 2H2S
B.
Na2S + 2HCl → NaCl + 2H2S
C.
Na2S + 2HCl → 2NaCl + H2S
D.
Na2S + HCl → NaCl + H2S
Answer:
A.) Na2S + HCl → 2NaCl + 2H2S
Explanation:
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Some of the physical characteristics of the planets in the Solar System are shown below. The distance of each planet from the Sun is given in astronomical units (AU).
PHYSICAL DATA OF PLANETS
Planet Distance from the Sun (AU) Mass (kilograms) Mean Orbital Speed (kilometers/second)
Mercury 0.38 3.33 x 1023 47.87
Venus 0.72 4.87 x 1024 35.02
Earth 1.0 5.97 x 1024 29.78
Mars 1.5 6.47 x 1023 24.13
Jupiter 5.2 1.90 x 1027 13.07
Saturn 9.5 5.68 x 1026 9.69
Uranus 19.2 8.68 x 1025 6.81
Neptune 30.1 1.02 x 1026 5.43
Which conclusion can most accurately be drawn from this information?
Aluminum carbide powder decomposes in water:
Al4C3 (s) + 12 H2O (l) → 4 Al(OH)3 (aq) + 3 CH4 (g)
Which of the following pairs of quantities represent the correct stoichiometric amounts for this reaction?
a.
1 mol Al4C3 and 1 mol H2O
b.
4 mol Al4C3 and 24 mol H2O
c.
7.2 g Al4C3 and 1.8 g H2O
d.
1 moles Al4C3 and 12 moles H2O
Answer:
d. 1 mole Al₄C₃ and 12 moles H₂O
Explanation:
The coefficients in a balanced chemical equation indicate the number of moles of reactants and products. If a substance does not have a coefficient written in front of it, it is assumed to be 1.
Does q for the formation of 1 mol of no from its elements differ from q for the decomposition of 1 mol of no to its elements and what is the relationship between the two qs?.
Answer:
Yes, the Qs for the two reactions are reciprocal.
Explanation:
No, the Qs are the same.
What are decomposition and examples?Decomposition reactions are processes in which chemical species break up into simpler parts. Usually, decomposition reactions require energy input. For example, a common method of producing oxygen gas in the laboratory is the decomposition of potassium chlorate (KClO3) by heat.
How do elements decompose?When bonds in a single chemical compound are broken, it results in it breaking apart to form two or more products. When this happens, it is known as chemical decomposition and it takes place as a chemical reaction.
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Explain what happens to the particles in a substance during a physical change.
Answer:
The particals in a physical change alwayd stay the same, but for a chemical change that is the only time they will change. Not during a physical change
Explanation:
what's the gravity and motion
Answer:
Gravity : Gravity is the force acting on objects that pulls it to the crust of the earth. It is the universal force of attraction between all matter.
Motion: Motion is the movement of objects from one position to another.
Write the IUPAC nomenclature for the following a. Al2 (CO3)3
Answer:
Aluminum carbonate | Al2(CO3)3 - PubChem
Explanation:
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Which pair of elements has reactivity that is similar to chlorine, cl?.
Answer:
Both chlorine and bromine lies in the same group therefore they have similar properties.
Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Fluorine, bromine and iodine will have same properties in terms of reactivity.
What is element?Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.
The elements belonging to same group have same period. Chlorine belongs to group 17 that is to the halogen family. The elements that are in the same group of chlorine are Fluorine, bromine and iodine. Since these elements contains same number of electrons that is 7 in its outermost shell, behave equally in terms of reactivity.
Therefore, fluorine, bromine and iodine will have same properties in terms of reactivity.
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What are the products in the reaction below? (select all that apply)
Answer:
6CO₂ + 6H₂O
Explanation:
The products are on the right hand side of the equation which include Carbon dioxide and water