Calculate the standard enthalpy change for the reaction 2A+B2C+2D where the heats of formation are given in the following table: Substance \Delta fH (kJ mol-1) A-253 B-423 C 215 D-517 Express your answer in kJ mol-1 View Available Hint(s) for Part A \Delta rH 325 kJ mol-1 Previous Answers Correct Part B For the reaction given in Part A, how much heat is absorbed when 2.70 mol of A reacts?

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Calculate the standard enthalpy change for the reaction 2A+B2C+2D where the heats of formation are given in the following table: Substance \Delta fH (kJ mol-1) A-253 B-423 C 215 D-517 Express your answer in kJ mol-1 View Available Hint(s) for Part A \Delta rH 325 kJ mol-1 Previous Answers Correct Part B For the reaction given in Part A, how much heat is absorbed when 2.70 mol of A reacts?

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