• 2. Using the following information, determine the AH°n + SFA(9) → SO2(9) rxn 25(9) + 20F2(9) AH° = -277 kJ OF2(9) + H,O> O2(9) + 2HF(g) + 4HF(9) AH° = -828 kJ SF9) + 2H2O»→ SO%9) SFA9) AH° = -279 kJ S(9) + O2(9) → SO2(g)
• 2. Using the following information, determine the AH°n + SFA(9) → SO2(9) rxn 25(9) + 20F2(9) AH° = -277 kJ OF2(9) + H,O> O2(9) + 2HF(g) + 4HF(9) AH° = -828 kJ SF9) + 2H2O»→ SO%9) SFA9) AH° = -279 kJ S(9) + O2(9) → SO2(g)
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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![**1. Use the table of ΔH°f values to calculate ΔH°rxn of the decomposition of Ca(NO₃)₂:**
\[ 2\text{Ca(NO}_3\text{)}_{\text{2(s)}} \rightarrow 2\text{CaO}_{\text{(s)}} + 4\text{NO}_2\text{(g)} + \text{O}_2\text{(g)} \]
| Compound | ΔH°f (kJ/mol) |
|-------------------|---------------|
| Ca(NO₃)₂ (s) | -938.2 |
| CaO (s) | -634.9 |
| NO₂ (g) | +33.2 |
| O₂ (g) | 0 |
**2. Using the following information, determine the ΔH°rxn for:**
\[ 2\text{S}_{\text{(g)}} + 2\text{OF}_2\text{(g)} \rightarrow \text{SO}_2\text{(g)} + \text{SF}_4\text{(g)} \]
**Given reactions:**
\[ \text{OF}_2\text{(g)} + \text{H}_2\text{O}_{\text{(l)}} \rightarrow \text{O}_2\text{(g)} + 2\text{HF}_{\text{(g)}} \quad \Delta H° = -277 \text{ kJ} \]
\[ \text{SF}_4\text{(g)} + 2\text{H}_2\text{O}_{\text{(l)}} \rightarrow \text{SO}_2\text{(g)} + 4\text{HF}_{\text{(g)}} \quad \Delta H° = -828 \text{ kJ} \]
\[ \text{S}_{\text{(g)}} + \text{O}_2\text{(g)} \rightarrow \text{SO}_2\text{(g)} \quad \Delta H° = -279 \text{ kJ} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F85921574-93fe-435f-87fd-c0b036c84801%2Fa6ee291a-ba54-46bb-9b1c-1c2d0f470ff3%2F4lpz2gw_processed.png&w=3840&q=75)
Transcribed Image Text:**1. Use the table of ΔH°f values to calculate ΔH°rxn of the decomposition of Ca(NO₃)₂:**
\[ 2\text{Ca(NO}_3\text{)}_{\text{2(s)}} \rightarrow 2\text{CaO}_{\text{(s)}} + 4\text{NO}_2\text{(g)} + \text{O}_2\text{(g)} \]
| Compound | ΔH°f (kJ/mol) |
|-------------------|---------------|
| Ca(NO₃)₂ (s) | -938.2 |
| CaO (s) | -634.9 |
| NO₂ (g) | +33.2 |
| O₂ (g) | 0 |
**2. Using the following information, determine the ΔH°rxn for:**
\[ 2\text{S}_{\text{(g)}} + 2\text{OF}_2\text{(g)} \rightarrow \text{SO}_2\text{(g)} + \text{SF}_4\text{(g)} \]
**Given reactions:**
\[ \text{OF}_2\text{(g)} + \text{H}_2\text{O}_{\text{(l)}} \rightarrow \text{O}_2\text{(g)} + 2\text{HF}_{\text{(g)}} \quad \Delta H° = -277 \text{ kJ} \]
\[ \text{SF}_4\text{(g)} + 2\text{H}_2\text{O}_{\text{(l)}} \rightarrow \text{SO}_2\text{(g)} + 4\text{HF}_{\text{(g)}} \quad \Delta H° = -828 \text{ kJ} \]
\[ \text{S}_{\text{(g)}} + \text{O}_2\text{(g)} \rightarrow \text{SO}_2\text{(g)} \quad \Delta H° = -279 \text{ kJ} \]
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