3825/CH6/EX6.17/Ex6_17.sce


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clc
a=5//moles of solid carbon
b=6//moles of H2
deltaHf1=-146.5
deltaHf2=-393.8
deltaHf3=-242
deltaH=(a*deltaHf2)+(b*deltaHf3)-deltaHf1
mprintf("deltaH298=%fkJ",deltaH)