Question

An unknown substance has a mass of 17.3 . When the substance absorbs 1.557×102 of heat, the temperature of the substance is raised from 25.0 to 45.0 . What is the most likely identity of the substance?

Answer 1

q = m x Cg x (Tf - Ti)
http://www.ausetute.com.au/heatcapa.html

find Cg.

Answer 2

17.3 WHAT?
25 WHAT? 45 WHAT?