Hess's Law Questions?

Given
C(graphite) + O2(g) -------> CO2 (g) DeltaH = -393.5 kJ
C(diamond) + O2(g) ------> CO2 (g) DeltaH = -395.4 kJ

Calculate the standard enthalpy of formation for diamond.

Given the information results of question 2, calculate the heat change for the formation of 1.00 g of diamond.
2 answers 2