What is the change in enthalpy in joules when 5.44 x 10- mol of AgCI dissolves in water according to the following chemical equation: AgCI(s) – Ag"(aq) + Cr(aq) AH = 65.5 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
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**Question 21 of 26**

*Problem Statement:*

What is the change in enthalpy in joules when \( 5.44 \times 10^{-4} \) mol of AgCl dissolves in water according to the following chemical equation:

\[ \text{AgCl(s)} \rightarrow \text{Ag}^+(aq) + \text{Cl}^-(aq) \quad \Delta H = 65.5 \, \text{kJ} \]

*Equation Calculation:*

- The "Starting Amount" field is shown with a placeholder for entering values.
- Below is a series of buttons to perform the necessary calculations:

  - **Add Factor:** Multiplication brackets \( (\times) \) for calculation flexibility.
  - **Constants and Values Available in Buttons:**
    - Numerical constants: \( 1, 1000, 0.001, 3.56 \times 10^0, 0.0356, 35.6, 0.00831, 65.5 \)
    - Avogadro's number: \( 6.022 \times 10^{23} \)
    - Values relevant to the question: \( 5.44 \times 10^{-4} \)
    
  - **Units and Conversions:**
    - g Ag\(^+\), J, g Cl\(^-\), mol Ag\(^+\), kJ, mol AgCl, g AgCl, mol Cl\( ^- \)

*Buttons for Calculations:*

- An "Answer" box where the final result can be placed.
- A "Reset" button to clear values if needed.

This system allows for interactive engagement to calculate the enthalpy change, experimenting with different factors and conversion units to reach the correct answer.
Transcribed Image Text:**Question 21 of 26** *Problem Statement:* What is the change in enthalpy in joules when \( 5.44 \times 10^{-4} \) mol of AgCl dissolves in water according to the following chemical equation: \[ \text{AgCl(s)} \rightarrow \text{Ag}^+(aq) + \text{Cl}^-(aq) \quad \Delta H = 65.5 \, \text{kJ} \] *Equation Calculation:* - The "Starting Amount" field is shown with a placeholder for entering values. - Below is a series of buttons to perform the necessary calculations: - **Add Factor:** Multiplication brackets \( (\times) \) for calculation flexibility. - **Constants and Values Available in Buttons:** - Numerical constants: \( 1, 1000, 0.001, 3.56 \times 10^0, 0.0356, 35.6, 0.00831, 65.5 \) - Avogadro's number: \( 6.022 \times 10^{23} \) - Values relevant to the question: \( 5.44 \times 10^{-4} \) - **Units and Conversions:** - g Ag\(^+\), J, g Cl\(^-\), mol Ag\(^+\), kJ, mol AgCl, g AgCl, mol Cl\( ^- \) *Buttons for Calculations:* - An "Answer" box where the final result can be placed. - A "Reset" button to clear values if needed. This system allows for interactive engagement to calculate the enthalpy change, experimenting with different factors and conversion units to reach the correct answer.
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