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Use data given below to calculate ΔrS∘ΔrS∘ for each of the reactions. Standard Thermodynamic Quantities for...

Use data given below to calculate ΔrS∘ΔrS∘ for each of the reactions.
Standard Thermodynamic Quantities for Selected Substances at 25 ∘C∘C

Substance ΔrS∘ΔrS∘, JK−1mol−1JK−1mol−1
Cr(s)Cr(s) 23.8
Cr2O3Cr2O3(s)(s) 81.2
CO(g)CO(g) 197.7
CO2(g)CO2(g) 213.8
H2(g)H2(g) 130.7
H2O(g)H2O(g) 188.8
H2O(l)H2O(l) 70.0
HNO3(aq)HNO3(aq) 146.0
N2(g)N2(g) 191.6
N2O4(g)N2O4(g) 304.4
NO(g)NO(g) 210.8
NO2(g)NO2(g) 240.1
O2(g)O2(g) 205.2
SO2(g)SO2(g) 248.2
SO3(g)SO3(g) 256.8

A)

4NO2(g)+2H2O(l)+O2(g)→4HNO3(aq)

B)

Cr2O3Cr2O3(s)(s) +3CO(g)→2Cr(s)+3CO2(g)

C)

SO2(g)SO2(g) +12O2(g)→SO3(g)

D)

N2O4(g)+4H2(g)→N2(g)+4H2O(g)

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