The exothermic process C6H1206(s) + 602(g) = 6CO2(g) + 6H20(g) is initially at equilibrium. Which of the following statements is/are true? (Select all that apply.)

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**Equilibrium Reactions in Exothermic Processes**

The exothermic process described by the chemical equation:

\[ \text{C}_6\text{H}_{12}\text{O}_6(\text{s}) + 6\text{O}_2(\text{g}) \leftrightarrow 6\text{CO}_2(\text{g}) + 6\text{H}_2\text{O}(\text{g}) \]

is initially at equilibrium. The following statements pertain to the effects of various changes on this equilibrium:

1. **Adding CO₂(g) causes K to increase.** 
    - K, the equilibrium constant, is determined only by temperature and is independent of the concentrations of reactants or products. Therefore, adding CO₂ does not cause K to increase, making this statement **false**.

2. **Decreasing the volume causes the reaction to shift left.**
    - Decreasing the volume increases the pressure. According to Le Chatelier's Principle, the reaction will shift to the side with fewer moles of gas to reduce pressure. Here, there are 6 moles of gases on both sides, so changing the volume will not shift the equilibrium. Thus, this statement is **false**.

3. **Increasing the temperature causes the reaction to shift right.**
    - For an exothermic reaction, increasing the temperature adds heat, which shifts the equilibrium to the left (towards the reactants) to counteract the added heat. Therefore, this statement is **false**.

4. **Adding C₆H₁₂O₆(s) causes Q to decrease.**
    - Q, the reaction quotient, is calculated using the concentrations of the gaseous reactants and products. Since C₆H₁₂O₆ is a solid, adding it does not affect Q. Consequently, this statement is **false**.

5. **Adding O₂(g) causes the reaction to shift right.**
    - According to Le Chatelier's Principle, adding more of a reactant (O₂) will shift the equilibrium to the right (towards the products) to counteract the change. Thus, this statement is **true**.

By selecting the statements that are true based on the principles of chemical equilibrium, the correct answer would be:

\- Adding O₂(g) causes the reaction to shift right.
Transcribed Image Text:**Equilibrium Reactions in Exothermic Processes** The exothermic process described by the chemical equation: \[ \text{C}_6\text{H}_{12}\text{O}_6(\text{s}) + 6\text{O}_2(\text{g}) \leftrightarrow 6\text{CO}_2(\text{g}) + 6\text{H}_2\text{O}(\text{g}) \] is initially at equilibrium. The following statements pertain to the effects of various changes on this equilibrium: 1. **Adding CO₂(g) causes K to increase.** - K, the equilibrium constant, is determined only by temperature and is independent of the concentrations of reactants or products. Therefore, adding CO₂ does not cause K to increase, making this statement **false**. 2. **Decreasing the volume causes the reaction to shift left.** - Decreasing the volume increases the pressure. According to Le Chatelier's Principle, the reaction will shift to the side with fewer moles of gas to reduce pressure. Here, there are 6 moles of gases on both sides, so changing the volume will not shift the equilibrium. Thus, this statement is **false**. 3. **Increasing the temperature causes the reaction to shift right.** - For an exothermic reaction, increasing the temperature adds heat, which shifts the equilibrium to the left (towards the reactants) to counteract the added heat. Therefore, this statement is **false**. 4. **Adding C₆H₁₂O₆(s) causes Q to decrease.** - Q, the reaction quotient, is calculated using the concentrations of the gaseous reactants and products. Since C₆H₁₂O₆ is a solid, adding it does not affect Q. Consequently, this statement is **false**. 5. **Adding O₂(g) causes the reaction to shift right.** - According to Le Chatelier's Principle, adding more of a reactant (O₂) will shift the equilibrium to the right (towards the products) to counteract the change. Thus, this statement is **true**. By selecting the statements that are true based on the principles of chemical equilibrium, the correct answer would be: \- Adding O₂(g) causes the reaction to shift right.
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