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11 Nov 2019

Calculate the free energy change for the following reaction at 34 ∘C .
C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)
ΔH∘rxn= -2217 kJ ; ΔS∘rxn= 101.1 J/K .

Express your answer using four significant figures.

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Beverley Smith
Beverley SmithLv2
1 Aug 2019

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Related questions

Calculate the change in Gibbs free energy for each of the following sets of ΔHrxn, ΔSrxn, and T.

Part A

ΔH∘rxn= 90. kJ , ΔSrxn= 152 J/K , T= 303 K

Express your answer using two significant figures.
ΔG = kJ

Part B

ΔH∘rxn= 90. kJ , ΔSrxn= 152 J/K , T= 750 K

Express your answer using two significant figures.
ΔG = kJ

Part C

ΔH∘rxn= 90. kJ , ΔSrxn=− 152 J/K , T= 303 K

Express your answer using two significant figures.
ΔG = kJ

Part D

ΔH∘rxn=− 90. kJ , ΔSrxn= 152 J/K , T= 407 K

Express your answer using two significant figures.
ΔG = kJ

Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ

Reaction 2: 4C3H8(g)+20O2(g)→12CO2(g)+16H2O(g), ΔH2=?

Express your answer to four significant figures and include the appropriate units.

Calculate the change in Gibbs free energy for each of the following sets of ΔH∘rxn, ΔS∘rxn, and T.

ΔH∘rxn=− 132 kJ ; ΔS∘rxn= 260 J/K ; T= 310 K

ΔH∘rxn= 132 kJ ; ΔS∘rxn=− 260 J/K ; T= 310 K

ΔH∘rxn=− 132 kJ ; ΔS∘rxn=− 260 J/K ; T= 310 K

ΔH∘rxn=− 132 kJ ; ΔS∘rxn=− 260 J/K ; T= 563 K

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