Question

In: Chemistry

1. Calculate ΔGrxn at 298 K under the conditions shown below for the following reaction.

A2B3(s) + 3 CB(g) → 2 A(s) + 3 CB2(g) ΔG° = +28 kJ

P(A2B3)= 0.011 atm

P (A)= 0.00134 atm

P(CB ) = 0.83 atm

P(CB2 ) = 3.9 atm

Answer : 39.5

2.

Calculate ΔG°rxn for this reaction: CH₄(g) + NH₃(g) à HCN(g) + 3H₂(g)

given:

N₂(g) + 3H₂(g) à 2NH₃(g)	ΔG = −95.8 kJ
C(s) + 2H₂(g) à CH₄(g)	ΔG = −38.8 kJ
H₂(g) + 2C(s) + N₂(g) à 2HCN(g)	ΔG = +252.2 kJ

Answer: 212

3.

Consider the following reaction at constant P. Use the information here to determine the value of ΔSsurr at 67º C. (Answer in J/K. If answer is negative, input - sign).

2 NO(g) + O2(g) → 2 NO2(g) ΔH = -156 kJ

Answer: 459

Expert Solution

queen_honey_blossom answered 2 years ago

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