You need to calculate the enthalpy change (AH) of the reaction A + B → C.
How can the enthalpies given for the reaction steps below be combined to
give the overall change in enthalpy?
A+
BD
C+ B+D
Дн.
O A. AH = AH 2 - AHA
B. AH = AH-AHO 2
C. AHO = AH , + 2A HP 2
O D. AHO AHO, +AH2

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