Question

convert the know heat of fusion of water,334j/g to these units. the conversion between calories and joules is 1 cal = 4.184j

Answer 1

334 J/g x (1 cal/4.184 J) = ? cal/g.
Note how i knew that the factor is 1 ca/4.184 J and not 4.184 J/1 cal. The unit we don't want cancels(J); the unit we want to keep stays(cal).

Answer 2

79.82 cal/g