Question

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C

Answer 1

We can use:
Q = mCpΔT
Q = 15.2 x 0.379 x (40.3 - 21)
Q = 111.2 Joules