Problem: Coal, which is primarily carbon, can be converted to natural gas, primarily CH4, by the following exothermic reaction:C(s) + 2 H2(g) ⇌ CH4(g)Which of the following will favor CH4 at equilibrium?a. adding more C to the reaction mixtureb. adding more H2 to the reaction mixturec. raising the temperature of the reaction mixtured. lowering the volume of the reaction mixturee. adding a catalyst to the reaction mixturef. adding neon gas to the reaction mixture

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FREE Expert Solution

According to Le Chatelier’s Principle, once a system in equilibrium is disturbed, the system will readjust and relieve the stress introduced to maintain its equilibrium


The factors that affect equilibrium are:

1. Concentration

Introducing more gaseous reactants to the system will put stress on the reactant side of the system. To relieve the stress, the equilibrium will shift to the product side


Since H2 is a gaseous reactant, the equilibrium will shift forward and favor CH4.

Choice B is correct.


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Problem Details

Coal, which is primarily carbon, can be converted to natural gas, primarily CH4, by the following exothermic reaction:
C(s) + 2 H2(g) ⇌ CH4(g)

Which of the following will favor CH4 at equilibrium?
a. adding more C to the reaction mixture
b. adding more H2 to the reaction mixture
c. raising the temperature of the reaction mixture
d. lowering the volume of the reaction mixture
e. adding a catalyst to the reaction mixture
f. adding neon gas to the reaction mixture

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Le Chatelier's Principle concept. You can view video lessons to learn Le Chatelier's Principle . Or if you need more Le Chatelier's Principle practice, you can also practice Le Chatelier's Principle practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Sumner's class at UF.