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Nitrogen and hydrogen can react to form ammonia:N2(g) + 3

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 2Q Chapter 8

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 2Q

PROBLEM 2Q

Nitrogen and hydrogen can react to form ammonia:

N2(g) + 3 H2(g)→2 NH3(g)

(a) Write ratios showing the relationships between moles of each of the reactants and products in the reaction.

(b) How many molecules of H2 are required to completely react with two molecules of N2?

(c) How many moles of H2 are required to completely react with 2 mol of N2?

Step-by-Step Solution:

Solution 2Q

Step 1:

(a)One mole of N2 reacts with 3 moles of H2 to give 2 moles of ammonia.The ratio of number of moles of N2:H2:NH3 is 1:3:2

Step 2:

1 mole of H2 contains 6.023 1023 molecules of H2

In the problem 3 mole of  H2 reacts with 1 mole of N2 .

Or 3 6.023 1023molecules of H2 reacts with  6.023 1023 molecules of N2

Thus 1 molecule of N2 reacts with =3 molecules of H2

Or 2 molecule of N2 reacts with  23 molecules of H2=6 molecules of H2

Step 3 of 3

Chapter 8, Problem 2Q is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Nitrogen and hydrogen can react to form ammonia:N2(g) + 3

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