Which statements are true? A combustion reaction is exothermic. When energy is transferred as heat from the surroundings to the system, AH is negative. The evaporation of water is an exothermic process. AH for an exothermic reaction is positive. AH for an endothermic reaction is positive. When energy is transferred as heat from the system to the surroundings, AH is negative.
Which statements are true? A combustion reaction is exothermic. When energy is transferred as heat from the surroundings to the system, AH is negative. The evaporation of water is an exothermic process. AH for an exothermic reaction is positive. AH for an endothermic reaction is positive. When energy is transferred as heat from the system to the surroundings, AH is negative.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter6: Thermochemistry
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Problem 19Q: The equation for the fermentation of glucose to alcohol and carbon dioxide is: C6H12O6(aq) ...
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Transcribed Image Text:Which statements are true?
A combustion reaction is exothermic.
When energy is transferred as heat from the surroundings to the system, AH is negative.
The evaporation of water is an exothermic process.
AH for an exothermic reaction is positive.
AH for an endothermic reaction is positive.
When energy is transferred as heat from the system to the surroundings, AH is negative.
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