Does Q for the formation of 1 mol of NH3 from H2 and N2

Chapter 17, Problem 10P

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QUESTION:

Problem 10P

Does Q for the formation of 1 mol of NH3 from H2 and N2 differ from Q for the formation of NH3 from H2 and 1 mol of N2? Explain and give the relationship between the two Q’s.

Questions & Answers

QUESTION:

Problem 10P

Does Q for the formation of 1 mol of NH3 from H2 and N2 differ from Q for the formation of NH3 from H2 and 1 mol of N2? Explain and give the relationship between the two Q’s.

ANSWER:

Solution 10P:

Here, we are going to find out the relationship between the two Q’s.

Step 1:

At a given temperature,a chemical system reaches a state in which a particular ratio of reactant and product concentrations has a constant value. The ratio of the concentration in terms of reactant and product is known as reaction quotient (Q)

aA+ bB cC + dD

The formation of 1 mol of NH3 from its elements is given below:

½ N2(g) + 3/2 H2(g) ⇌ NH3(g)

---(1)

Similarly,

The formation of NH3 from H2 and 1 mol of N2

N2(g) + 3H2(g) ⇌ 2NH3(g)

---(2)

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