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miskamm [114]
4 years ago
15

Which of the following is a mixture?

Chemistry
1 answer:
KATRIN_1 [288]4 years ago
7 0
C is a mixture!!!!!!!!!!!!!

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The reaction
Aliun [14]

From he calculations, we can see that the total pressure at equilibrium is 21 atm.

<h3>What is  equilibrium constant?</h3>

The term equilibrium constant commonly describes the constant that that shows the extent of conversion of reactants to products.

We have to find the pressure of each gas as follows;

For H2

P = nRT/V = 4.553 /2  × 0.082 × 1000/8.89 L = 21 atm

Using the ICE table;

         C(s)   +   2H2(g)  ⇌  CH4(g)

I                       21 atm          0

C                      -x                  +x

E                     21 - x              x

0.263= x/(21 - x )^2

0.263(21 - x )^2 = x

38 - 11x - 0.263x^2 = x

0.263x^2 + 12x - 38 = 0

x=2.97 atm

At equilibrium, we have;

(21 - 2.97) + 2.97 = 21 atm

Learn more about equilibrium constant: brainly.com/question/17960050

7 0
2 years ago
Which spacecraft exploded during flight killing all astronauts?
Natasha_Volkova [10]

On January 28, 1986, the NASA shuttle orbiter mission STS-51-L and the tenth flight of Space Shuttle Challenger (OV-99) broke apart 73 seconds into its flight, killing all seven crew members, which consisted of five NASA astronauts and two payload specialists.

4 0
3 years ago
Read 2 more answers
Water is dissolved into n-butanol (a polar liquid). Which is the second step at the molecular level as water dissolves into n-bu
serg [7]

Answer:

Formation of intermolecular hydrogen bonding between water molecules and molecules of n-butanol

Explanation:

Low molecular weight alcohols are miscible with water in all proportions. The reason for this is that, when a low molecular weight alcohol is dissolved in water, intermolecular hydrogen bonds are formed between the low molecular weight alcohol and water molecules.

Low molecular weight alcohols such as n-butanol contain the polar -OH group which interacts with water via hydrogen bonding.

8 0
3 years ago
How many weeks does it take for one full moon to go to the next full moon
OlgaM077 [116]
4 weeks for the moon to go to the next full moon 

8 0
3 years ago
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Which element will chemically combine with fluorine to combine salt?
Natali5045456 [20]

Answer:

When an atom of sodium and an atom of fluorine combine to form the salt, sodium fluoride, an ionic bond, is formed.

Explanation:

8 0
3 years ago
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