Question

How do you convert between energy units: 231 cal to kJ?

Answer 1

Well, `1*J-=0.239*cal.......`

Explanation:

And thus `231*cal=(231*cal)/(0.239*cal*J^-1)=966.5*1/J^-1`

`=966.5*1/(1/J)=966.5*J-=966.5*Jxx10^-3*kJ*J^-1`

`~=1*kJ`