### Dissolution of Calcium Chloride (CaCl₂)**Chemical Reaction:**\[ \text{CaCl}_2(s) \rightarrow \text{Ca}^{2+}(aq) + 2\text{Cl}^-(aq) \]\[ \Delta H = -81.5 \text{ kJ/mol} \]**Scenario:**- A 15.0 g sample of CaCl₂ is dissolved in 135 g of water.- Both substances start at 25.0°C.- Calculate the final temperature of the solution.**Assumptions:**- No heat loss to surroundings.- The solution has a specific heat capacity of 4.18 J/°C·g. This exercise demonstrates the exothermic process of dissolving calcium chloride, where heat is released to the solution, thereby affecting its temperature.

Given compound is --> CaCl2 Amount of substance = 135 grams Amount of compound = 15 grams Atomic…

Consider the dissolution of CaCI2: CaCl2(s) Ca (aq) + 2CI (aq) AH = -81.5 kJ/mol A 15.0-g sample of CaCl, is dissolved in 135 g water with both substances at 25.0°C. Calculate the final temperature (in °C) of the solution assuming no heat loss to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C g.

Consider the dissolution of CaCI2: CaCl2(s) Ca (aq) + 2CI (aq) AH = -81.5 kJ/mol A 15.0-g sample of CaCl, is dissolved in 135 g water with both substances at 25.0°C. Calculate the final temperature (in °C) of the solution assuming no heat loss to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C g.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

### Dissolution of Calcium Chloride (CaCl₂)

**Chemical Reaction:**
\[ \text{CaCl}_2(s) \rightarrow \text{Ca}^{2+}(aq) + 2\text{Cl}^-(aq) \]
\[ \Delta H = -81.5 \text{ kJ/mol} \]

**Scenario:**
- A 15.0 g sample of CaCl₂ is dissolved in 135 g of water.
- Both substances start at 25.0°C.
- Calculate the final temperature of the solution.

**Assumptions:**
- No heat loss to surroundings.
- The solution has a specific heat capacity of 4.18 J/°C·g.

This exercise demonstrates the exothermic process of dissolving calcium chloride, where heat is released to the solution, thereby affecting its temperature.

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