juliaknisley juliaknisley

06-06-2023
Chemistry

contestada

Calculate the standard enthalpy change for the reaction

2A+B⇌2C+2D

Use the following data:
Substance: ΔH∘f (kJ/mol)
A -257
B -389
C 225
D -525

Express your answer to three significant figures and include the appropriate units.

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