**Chapter 5: Problem 5.62**You are given the following hypothetical reactions:- \(2A \rightarrow B + C \quad \Delta H = +50 \, \text{kJ}\)- \(A \rightarrow D \quad \Delta H = -80 \, \text{kJ}\)---### Part A**Use Hess’s law to calculate \(\Delta H\) for the reaction:**\[B + C \rightarrow 2D\]**Express your answer in kilojoules to three significant figures.**\(\Delta H = \) [Input box] kJ[Submit] [Request Answer]---### Part B**What is \(\Delta H\) for the reaction:**\[D \rightarrow \frac{1}{2}B + \frac{1}{2}C\]**Express your answer in kilojoules to three significant figures.**\(\Delta H = \) [Input box] kJ[Submit] [Request Answer][Provide Feedback]---**Note:** The problem involves using Hess's law to find the enthalpy changes for reactions not directly given, thus allowing students to practice manipulating chemical equations and associated enthalpy values.

Answered: Image /qna-images/answer/b76f93ae-562e-40d7-bd22-0ffe69423680.jpg

You are given the following hypothetical reactions: 2A → B+C ΔΗ = +50 kJ A → D AH = -80 kJ Part A Use Hess's law to calculate AH for the reaction B + C → 2D. Express your answer in kilojoules to three significant figures. 15. ΑΣΦ AH = Submit Part B AH = Request Answer Submit What is AH for the reaction D → 1 2 Express your answer in kilojoules to three significant figures. VGI ΑΣΦ Request Answer B + 1²1/20 ? C? kJ ? kJ

You are given the following hypothetical reactions: 2A → B+C ΔΗ = +50 kJ A → D AH = -80 kJ Part A Use Hess's law to calculate AH for the reaction B + C → 2D. Express your answer in kilojoules to three significant figures. 15. ΑΣΦ AH = Submit Part B AH = Request Answer Submit What is AH for the reaction D → 1 2 Express your answer in kilojoules to three significant figures. VGI ΑΣΦ Request Answer B + 1²1/20 ? C? kJ ? 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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