Exercise 17.12

Given the values of ÎHârxn, ÎSârxn, and T below, determine ÎSuniv.

Part A

ÎHârxn= 89 kJ , ÎSrxn= 146 J/K , T= 290 K

Express your answer using two significant figures.

ÎSuniv = J/K

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Part B

ÎHârxn= 89 kJ , ÎSrxn= 146 J/K , T= 756 K

Express your answer using two significant figures.

ÎSuniv = J/K

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Part C

ÎHârxn= 89 kJ , ÎSrxn=â 146 J/K , T= 290 K

Express your answer using two significant figures.

ÎSuniv = J/K

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Part D

ÎHârxn=â 89 kJ , ÎSrxn= 146 J/K , T= 410 K

Express your answer using two significant figures.

ÎSuniv = J/K

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Part E

Predict whether or not the reaction in part A will be spontaneous.
Predict whether or not the reaction in part A will be spontaneous.

spontaneous

nonspontaneous

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Part F

Predict whether or not the reaction in part B will be spontaneous.
Predict whether or not the reaction in part B will be spontaneous.

spontaneous

nonspontaneous

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Part G

Predict whether or not the reaction in part C will be spontaneous.
Predict whether or not the reaction in part C will be spontaneous.

spontaneous

nonspontaneous

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Part H

Predict whether or not the reaction in part D will be spontaneous.
Predict whether or not the reaction in part D will be spontaneous.

spontaneous

nonspontaneous

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Question

Exercise 17.12 Given the values of ÎHârxn, ÎSârxn, and T below, determine ÎSuniv.   Part A ÎHârxn= 89 kJ , ÎSrxn= 146 J/K , T= 290 K Express your answer using two significant figures.                  ÎSuniv =   J/K     SubmitMy AnswersGive Up Part B ÎHârxn= 89 kJ , ÎSrxn= 146 J/K , T= 756 K Express your answer using two significant figures.                  ÎSuniv =   J/K     SubmitMy AnswersGive Up Part C ÎHârxn= 89 kJ , ÎSrxn=â 146 J/K , T= 290 K Express your answer using two significant figures.                  ÎSuniv =   J/K     SubmitMy AnswersGive Up Part D ÎHârxn=â 89 kJ , ÎSrxn= 146 J/K , T= 410 K Express your answer using two significant figures.                  ÎSuniv =   J/K     SubmitMy AnswersGive Up Part E Predict whether or not the reaction in part A will be spontaneous. Predict whether or not the reaction in part A will be spontaneous.     spontaneous    nonspontaneous    SubmitMy AnswersGive Up Part F Predict whether or not the reaction in part B will be spontaneous. Predict whether or not the reaction in part B will be spontaneous.     spontaneous    nonspontaneous    SubmitMy AnswersGive Up Part G Predict whether or not the reaction in part C will be spontaneous. Predict whether or not the reaction in part C will be spontaneous.     spontaneous    nonspontaneous    SubmitMy AnswersGive Up Part H Predict whether or not the reaction in part D will be spontaneous. Predict whether or not the reaction in part D will be spontaneous.     spontaneous    nonspontaneous    SubmitMy AnswersGive Up

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