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True or False If the statement is true, write "true." If it is false, change the underlined word or words to make the statement true. 1. In the equation AH = Hproducts - Hreactants, the letter H stands for heat. 2. Hess's law describes how to find the net enthalpy change for a series of chemical reactions. 3. The amount of heat needed to raise the temperature of a container of water from 14°C to 15°C is the specific heat of water. 4. In an exothermic, the sign of AH is positive. 5. All combustion reactions are classified as endothermic reactions.

True or False If the statement is true, write "true." If it is false, change the underlined word or words to make the statement true. 1. In the equation AH = Hproducts - Hreactants, the letter H stands for heat. 2. Hess's law describes how to find the net enthalpy change for a series of chemical reactions. 3. The amount of heat needed to raise the temperature of a container of water from 14°C to 15°C is the specific heat of water. 4. In an exothermic, the sign of AH is positive. 5. All combustion reactions are classified as endothermic reactions.

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
Chapter1: Chemical Foundations
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True or False If the statement is true, write "true." If it is false, change the underlined word or words to make the statement true. 1. In the equation AH = Hproducts - Hreactants, the letter H stands for heat. 2. Hess's law describes how to find the net enthalpy change for a series of chemical reactions. 3. The amount of heat needed to raise the temperature of a container of water from 14°C to 15°C is the specific heat of water. 4. In an exothermic, the sign of AH is positive. 5. All combustion reactions are classified as endothermic reactions.
Transcribed Image Text:True or False If the statement is true, write "true." If it is false, change the underlined word or words to make the statement true. 1. In the equation AH = Hproducts - Hreactants, the letter H stands for heat. 2. Hess's law describes how to find the net enthalpy change for a series of chemical reactions. 3. The amount of heat needed to raise the temperature of a container of water from 14°C to 15°C is the specific heat of water. 4. In an exothermic, the sign of AH is positive. 5. All combustion reactions are classified as endothermic reactions.
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