# Given #DeltaH_"combustion"^@# for butane is #-2657*kJ*mol^-1#, what is #"heat of combustion"# for butane in #J*g^-1#?

##### 1 Answer

Mar 22, 2017

#### Answer:

#### Explanation:

We have data for the stoichiometric equation:

Note that I halved the equation because it makes the arithmetic a little bit easier. I also had to halve the enthalpy change accordingly.

And thus