question archive A) calculate the standard enthalpy change for the reaction 2A+B?2C+2D Use the following data: Substance ΔH?f (kJ/mol) A -245 B -387 C 223 D -523 B) For the reaction given in Part A, how much heat is absorbed when 3

A) calculate the standard enthalpy change for the reaction 2A+B?2C+2D Use the following data: Substance ΔH?f (kJ/mol) A -245 B -387 C 223 D -523 B) For the reaction given in Part A, how much heat is absorbed when 3

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A) calculate the standard enthalpy change for the reaction

2A+B?2C+2D

Use the following data:

Substance ΔH?f
(kJ/mol)
A -245
B -387
C 223
D -523

B)

For the reaction given in Part A, how much heat is absorbed when 3.70 mol of A reacts?

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