Question

Enthalpy of combustion of methane is – 890kJ. Calculate the enthalpy
change for combustion of 4g of methane

Answer 1

Answer:

Number of moles of methane burnt =  

16

3.2

​  

=0.2

Enthalpy of combustion of 1 mole =890 kJ/mol

Heat liberated = 890×0.2=178 kJ

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