a/▲Cp=14.72+10,44.10-3T-3,62.10-5T-2
▲HoT=18.103+\(\int_{298}^T14,72+10,44.10^{-3}T-3,62.10^{-5}T^{-2}dx\) Kcal
=18.103+ 14,72(T-298) +5,22.10-3.(T2-2982) + 3,62.10-5 .(1/T-1/298)
=13149.88 + 14,72T +5,22.10-3.T2 +3.62.10-5 /T
▲GoT /T=12.103 /298+13149,88 .(1/T-1/298)- 14,72 ln(T/298)-5,22.10-3(T -298) +1,81.10-5.(1/T2 -1/2982)
→▲GoT = 13149.88 +81.56T-14.72 T.lnT- 5.22.10-3T2 +1,21 T-1
b/ ▲H=80.103 →▲G0T/T=12.103/298 +80.103.(1/T-1/298)→▲Go= 80.103 -228,19T
→▲Go800=-102552