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For the following reactions, predict whether the mole fraction of the reactants or products increases or remains the same when the volume of the reaction vessel is increased. SO2 (9) + 1/2 0, (9) = SO3 (9) а. mole fraction of reactants increases mole fraction of products increases mole fraction remains the same 2 CH4 (9) = C,H2 (g) + 3 H2 (g) b. Omole fraction of reactants increases mole fraction of products increases O mole fraction remains the same N2(g) + 2 O2 (9) = 2 NO2(9) c. Omole fraction of reactants increases mole fraction of products increases mole fraction remains the same

For the following reactions, predict whether the mole fraction of the reactants or products increases or remains the same when the volume of the reaction vessel is increased. SO2 (9) + 1/2 0, (9) = SO3 (9) а. mole fraction of reactants increases mole fraction of products increases mole fraction remains the same 2 CH4 (9) = C,H2 (g) + 3 H2 (g) b. Omole fraction of reactants increases mole fraction of products increases O mole fraction remains the same N2(g) + 2 O2 (9) = 2 NO2(9) c. Omole fraction of reactants increases mole fraction of products increases mole fraction remains the same

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Topic: Predicting Changes in Mole Fraction with Volume Increase** For the following reactions, predict whether the mole fraction of the reactants or products increases or remains the same when the volume of the reaction vessel is increased. 1. **Reaction:** \( \text{SO}_2 (g) + \frac{1}{2} \text{O}_2 (g) \rightleftharpoons \text{SO}_3 (g) \) - a. **Option 1:** ⚫ Mole fraction of reactants increases - Option 2: ○ Mole fraction of products increases - Option 3: ○ Mole fraction remains the same 2. **Reaction:** \( 2 \text{CH}_4 (g) \rightleftharpoons \text{C}_2\text{H}_2 (g) + 3 \text{H}_2 (g) \) - b. **Option 1:** ⚫ Mole fraction of reactants increases - Option 2: ○ Mole fraction of products increases - Option 3: ○ Mole fraction remains the same 3. **Reaction:** \( \text{N}_2 (g) + 2 \text{O}_2 (g) \rightleftharpoons 2 \text{NO}_2 (g) \) - c. **Option 1:** ⚫ Mole fraction of reactants increases - Option 2: ○ Mole fraction of products increases - Option 3: ○ Mole fraction remains the same **Explanation:** Each reaction shows an increase in the mole fraction of reactants when the volume of the reaction vessel is increased, according to Le Chatelier's principle. This principle suggests that increasing the volume (or decreasing the pressure) will shift the equilibrium toward the side with more moles of gas, which increases the mole fraction of reactants in these examples.
Transcribed Image Text:**Topic: Predicting Changes in Mole Fraction with Volume Increase** For the following reactions, predict whether the mole fraction of the reactants or products increases or remains the same when the volume of the reaction vessel is increased. 1. **Reaction:** \( \text{SO}_2 (g) + \frac{1}{2} \text{O}_2 (g) \rightleftharpoons \text{SO}_3 (g) \) - a. **Option 1:** ⚫ Mole fraction of reactants increases - Option 2: ○ Mole fraction of products increases - Option 3: ○ Mole fraction remains the same 2. **Reaction:** \( 2 \text{CH}_4 (g) \rightleftharpoons \text{C}_2\text{H}_2 (g) + 3 \text{H}_2 (g) \) - b. **Option 1:** ⚫ Mole fraction of reactants increases - Option 2: ○ Mole fraction of products increases - Option 3: ○ Mole fraction remains the same 3. **Reaction:** \( \text{N}_2 (g) + 2 \text{O}_2 (g) \rightleftharpoons 2 \text{NO}_2 (g) \) - c. **Option 1:** ⚫ Mole fraction of reactants increases - Option 2: ○ Mole fraction of products increases - Option 3: ○ Mole fraction remains the same **Explanation:** Each reaction shows an increase in the mole fraction of reactants when the volume of the reaction vessel is increased, according to Le Chatelier's principle. This principle suggests that increasing the volume (or decreasing the pressure) will shift the equilibrium toward the side with more moles of gas, which increases the mole fraction of reactants in these examples.
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