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A chemist measures the energy change AH during the following reaction: 2 NO2(9) → N2O4(9) AH-55.3 kJ Use the information to answer the following questions. This reaction is... endothermic. ☐ x10 exothermic. Yes, absorbed. Yes, released. Suppose 10.2 g of NO2 react. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits. No. ☐ kJ ☑

A chemist measures the energy change AH during the following reaction: 2 NO2(9) → N2O4(9) AH-55.3 kJ Use the information to answer the following questions. This reaction is... endothermic. ☐ x10 exothermic. Yes, absorbed. Yes, released. Suppose 10.2 g of NO2 react. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits. No. ☐ kJ ☑

Chemistry
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
Chapter6: Thermochemistry
Section: Chapter Questions
Problem 49E: The overall reaction in a commercial heat pack can be represented as 4Fe(s)+3O2(g)2Fe2O3(s)H=1652KJ...
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A chemist measures the energy change AH during the following reaction: 2 NO2(9) → N2O4(9) AH-55.3 kJ Use the information to answer the following questions. This reaction is... endothermic. ☐ x10 exothermic. Yes, absorbed. Yes, released. Suppose 10.2 g of NO2 react. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits. No. ☐ kJ ☑
Transcribed Image Text:A chemist measures the energy change AH during the following reaction: 2 NO2(9) → N2O4(9) AH-55.3 kJ Use the information to answer the following questions. This reaction is... endothermic. ☐ x10 exothermic. Yes, absorbed. Yes, released. Suppose 10.2 g of NO2 react. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits. No. ☐ kJ ☑
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