What is the mass, in grams, of a sample of solid zinc if its temperature changes from 25.7oC to 39.0oC when it absorbs 123 J of heat energy?

Specific heat of zinc = 0.388 J/(g oC)

1 answer

q = mass Zn x sp.h. Zn x (Tf-Ti)
Substitute and solve for mass Zn.