<> • Question 6 Calculate AH° for the process Hg2Cl2(s) → 2Hg() + Cl2(g) from the following information AH° = -162.0 K/mol Hg() + Cl(g) → HgClɔ(s) AH° = -250.3 Kmol Hg() + HgCl2(s) –→ Hg2Cl2(s) /mol

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 61PS: The standard enthalpy of formation of solid barium oxide, BaO, is 553.5 kJ/mol, and the standard...
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### Enthalpy Calculation

**Question 6:**

**Objective:**
Calculate the standard enthalpy change (ΔH°) for the reaction:

\[ \text{Hg}_2\text{Cl}_2(s) \rightarrow 2\text{Hg}(l) + \text{Cl}_2(g) \]

**Provided Information:**

1. Reaction: \(\text{Hg}(l) + \text{Cl}_2(g) \rightarrow \text{HgCl}_2(s)\)
   - Enthalpy Change: ΔH° = -162.0 kJ/mol

2. Reaction: \(\text{Hg}(l) + \text{HgCl}_2(s) \rightarrow \text{Hg}_2\text{Cl}_2(s)\)
   - Enthalpy Change: ΔH° = -250.3 kJ/mol

---

This task involves using the provided reactions and their enthalpy changes to find the enthalpy change for the decomposition of \(\text{Hg}_2\text{Cl}_2(s)\).
Transcribed Image Text:### Enthalpy Calculation **Question 6:** **Objective:** Calculate the standard enthalpy change (ΔH°) for the reaction: \[ \text{Hg}_2\text{Cl}_2(s) \rightarrow 2\text{Hg}(l) + \text{Cl}_2(g) \] **Provided Information:** 1. Reaction: \(\text{Hg}(l) + \text{Cl}_2(g) \rightarrow \text{HgCl}_2(s)\) - Enthalpy Change: ΔH° = -162.0 kJ/mol 2. Reaction: \(\text{Hg}(l) + \text{HgCl}_2(s) \rightarrow \text{Hg}_2\text{Cl}_2(s)\) - Enthalpy Change: ΔH° = -250.3 kJ/mol --- This task involves using the provided reactions and their enthalpy changes to find the enthalpy change for the decomposition of \(\text{Hg}_2\text{Cl}_2(s)\).
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