Problem: Calculate the standard enthalpy change for the reaction:2A+B ⇌ 2C+2DUse the following data:Substance ΔH∘f (kJ/mol)A -261B -417C 189D -503

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2 A + B  ⇌ 2 C  +  2 D

Substance ΔHf (kJ/mol)
A -261
B -417
C 189
D -503


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Problem Details

Calculate the standard enthalpy change for the reaction:

2A+B ⇌ 2C+2D

Use the following data:

Substance ΔH∘f (kJ/mol)
A -261
B -417
C 189
D -503

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