Homework Answers
For reaction we need:
SRxn = Sproduct - Sreactants
Srxn = Benzen e- 3*Ethylene = 173.4 -3*219.4 = -484.8J/molK
b)
Grxn:
dG = dH - T*dS
dG = -633.1*1000 - 298*(-484.8) = -488629.6 J/mol = -488.63 kJ/mol
c)
this is negative in dG change, so the process must be SPONTENEOUS
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Determine the entropy change in the surroundings for the following reaction at 25.0 degree C: 4 NH_3(g) + 5 O_2(g) rightarrow 4 NO(g) + 6H_2O(g) Delta H_rxn = -906 kJ +6.95 kJ/K +3.04 kJ/K -1.14 kJ/K -2.82 kJ/K
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