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H2 and 12 are combined in a flask and allowed to react

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 25E Chapter 14

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 25E

Problem 25E

H2 and 12 are combined in a flask and allowed to react according to the reaction:

Examine the figures (sequential in time) and answer the questions:

a.        Which figure represents the point at which equilibrium is reached?

b.        How would the series of figures change in the presence of a catalyst?

c.        Would there be different amounts of reactants and products in the final figure (vi) in the presence of a catalyst?

Step-by-Step Solution:

Solution 25EStep 1a)Dynamic equilibrium: For a chemical reaction, the condition in which the rate of forwardreaction equals the rate of reverse reaction.At dynamic equilibrium condition,When equilibrium is reached, the concentrations of remain unchanged because the reactants are depleted at the same rate ofproducts formation. We can observe the concentrations are same in figures (v) and ( vi)- thus weconclude that figure (v) represents the equilibrium condition.

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Chapter 14, Problem 25E is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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H2 and 12 are combined in a flask and allowed to react