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10 Nov 2019

Exercise 17.74 Estimate the value of the equilibrium constant at 620 K for each of the following reactions. ΔH∘f and S∘ for BrCl(g) is 14.6 kJ/mol and 240.0 Jmol⋠K, respectively.

Part A 2NO2(g)⇌N2O4(g) K = SubmitMy AnswersGive Up

Part B Br2(g)+Cl2(g)⇌2BrCl(g) Express your answer using two significant figures. K = Submit

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16 Aug 2019

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Related questions

Estimate the value of the equilibrium constant at 640K for eachof the following reactions. ?H?fand S? forBrCl(g) is 14.6 kJ/mol and 240.0 Jmol?K, respectively.

Part A- 2NO2(g)?N2O4(g)
Part B-Br2(g)+Cl2(g)?2BrCl(g)

Use data from Appendix IIB to calculate the equilibrium constants at 25 ∘C for each reaction.

Br2(g)+Cl2(g)⇌2BrCl(g)
ΔG∘f for BrCl(g) is -1.0 kJ/mol

Express your answer using two significant figures.

K= ?

Given the values of ΔH∘rxn, ΔS∘rxn, and T below, determine ΔSuniv.

Part A

ΔH∘rxn= 84 kJ , ΔSrxn= 142 J/K , T= 310 K

Express your answer using two significant figures.
ΔSuniv = J/K

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Part B

ΔH∘rxn= 84 kJ , ΔSrxn= 142 J/K , T= 764 K

Express your answer using one significant figure.
ΔSuniv = J/K

SubmitMy AnswersGive Up

Part C

ΔH∘rxn= 84 kJ , ΔSrxn=− 142 J/K , T= 310 K

Express your answer using two significant figures.
ΔSuniv = J/K

SubmitMy AnswersGive Up

Part D

ΔH∘rxn=− 84 kJ , ΔSrxn= 142 J/K , T= 405 K

Express your answer using two significant figures.
ΔSuniv = 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

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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

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

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