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or False: 1. True or False: A reaction that is exothermic must be spontaneous. 2. True or False: A reaction that is spontaneous is known as endergonic. 3. True or False: Hess's law is true because enthalpy is a state function.

or False: 1. True or False: A reaction that is exothermic must be spontaneous. 2. True or False: A reaction that is spontaneous is known as endergonic. 3. True or False: Hess's law is true because enthalpy is a state function.

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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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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True or False: Discussion 2-Thermodynamics 1. True or False: A reaction that is exothermic must be spontaneous. 2. True or False: A reaction that is spontaneous is known as endergonic. 3. True or False: Hess's law is true because enthalpy is a state function. Fill in the blank: 4. For a change that takes place at constant pressure, the heat char system is known as the change in 5. If a reaction is endothermic, but also spontaneous, what must the AS be?
Transcribed Image Text:True or False: Discussion 2-Thermodynamics 1. True or False: A reaction that is exothermic must be spontaneous. 2. True or False: A reaction that is spontaneous is known as endergonic. 3. True or False: Hess's law is true because enthalpy is a state function. Fill in the blank: 4. For a change that takes place at constant pressure, the heat char system is known as the change in 5. If a reaction is endothermic, but also spontaneous, what must the AS be?
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Exothermic reaction :- A reaction that releases energy from the system in the form of heat. ( i.e ∆H = -ve) 

Endothermic reaction :-a reaction that a the system absorbs energy from its surroundings in the form of heat. ((∆H = +ve)

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