Question

The table below shows some values for standard enthalpy changes of combustion. Use these values in the table below to calculate the standard enthalpy change of the reaction

C (s) + 2H2 (g) ⇢CH4 (g)



Substance

incrementHc Ө / kJ/mol

C (s)

-394

H2 (g)

-286

CH4 (g)

-890




-76 kJ/mol


-604 kJ/mol


-210 kJ/mol


-318 kJ/m
ol

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