C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) ΔH∘rxn=−2044kJ
A)ΔSsys>0
or
...
C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) ΔH∘rxn=−2044kJ
A)ΔSsys>0
or
B) ΔSsys<0
Part 2:
A)ΔSsurr>0
or
B)ΔSsurr<0
Part 3)
A)The reaction is spontaneous at all temperatures.
B)The reaction is spontaneous at high temperatures.
C)The reaction is spontaneous at low temperatures.
D)The reaction is nonspontaneous at all temperatures.
Part 4) N2(g)+O2(g)→2NO(g) ΔH∘rxn=+182.6kJ
A)ΔSsys>0
or
B) ΔSsys<0
Part 5)
A)ΔSsurr>0
or
B)ΔSsurr<0
Part 6)
A)The reaction is spontaneous at all temperatures.
B)The reaction is spontaneous at high temperatures.
C)The reaction is spontaneous at low temperatures.
D)The reaction is nonspontaneous at all temperatures.
Part 7) 4NH3(g)+5O2(g)→4NO(g)+6H2O(g) ΔH∘rxn=−906kJ
A)ΔSsys>0
or
B) ΔSsys<0
Part 8)
A)ΔSsurr>0
or
B)ΔSsurr<0
Part 9)
A)The reaction is spontaneous at all temperatures.
B)The reaction is spontaneous at high temperatures.
C)The reaction is spontaneous at low temperatures.
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