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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 ☑

Living By Chemistry: First Edition Textbook
Living By Chemistry: First Edition Textbook
1st Edition
ISBN:9781559539418
Author:Angelica Stacy
Publisher:Angelica Stacy
ChapterU5: Fire: Energy , Thermodynamics, And Oxidation-reduction
Section: Chapter Questions
Problem 15RE
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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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