QUESTION 4 Determine AH° for the decomposition of hydrogen peroxide. H 20 2(0) →0 2(g) + H 20(1) H 2(g) + O 2(g) → H 20 2() AHO = -187.78 kJ Given: 1 H 2(g) + 0 2(g)H 20() AH° = -285.83 k) O+93.89 kJ O-191.94 kJ O -98.05 kJ O-93.89 kJ
QUESTION 4 Determine AH° for the decomposition of hydrogen peroxide. H 20 2(0) →0 2(g) + H 20(1) H 2(g) + O 2(g) → H 20 2() AHO = -187.78 kJ Given: 1 H 2(g) + 0 2(g)H 20() AH° = -285.83 k) O+93.89 kJ O-191.94 kJ O -98.05 kJ O-93.89 kJ
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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![**Question 4**
Determine ΔH° for the decomposition of hydrogen peroxide.
\[ \text{H}_2\text{O}_2(l) \rightarrow \frac{1}{2}\text{O}_2(g) + \text{H}_2\text{O}(l) \]
**Given:**
\[ \text{H}_2(g) + \text{O}_2(g) \rightarrow \text{H}_2\text{O}_2(l) \quad \Delta H° = -187.78 \, \text{kJ} \]
\[ \text{H}_2(g) + \frac{1}{2}\text{O}_2(g) \rightarrow \text{H}_2\text{O}(l) \quad \Delta H° = -285.83 \, \text{kJ} \]
**Options:**
- ○ +93.89 kJ
- ○ -191.94 kJ
- ○ -98.05 kJ
- ○ -93.89 kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1de1a81c-d3c1-4666-95d2-82f3e08b23d0%2F1b8376c3-b867-4f0d-ac62-844550f85d9c%2Ffj1na08_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question 4**
Determine ΔH° for the decomposition of hydrogen peroxide.
\[ \text{H}_2\text{O}_2(l) \rightarrow \frac{1}{2}\text{O}_2(g) + \text{H}_2\text{O}(l) \]
**Given:**
\[ \text{H}_2(g) + \text{O}_2(g) \rightarrow \text{H}_2\text{O}_2(l) \quad \Delta H° = -187.78 \, \text{kJ} \]
\[ \text{H}_2(g) + \frac{1}{2}\text{O}_2(g) \rightarrow \text{H}_2\text{O}(l) \quad \Delta H° = -285.83 \, \text{kJ} \]
**Options:**
- ○ +93.89 kJ
- ○ -191.94 kJ
- ○ -98.05 kJ
- ○ -93.89 kJ
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