Calculate ΔSsurr at the indicated temperature for a reaction.
ΔH∘rxn= 126 kJ ; 66 K
Express your answer using two significant figures.
Given:
ΔH = 126 KJ
= 1.26*10^5 J
T = 66 K
use:
ΔS Surr = -ΔH/T
= -(1.26*10^5)/66
= -1.909*10^3 J/K
Answer: -1.9*10^3 J/K
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