# How much heat is needed to raise the temperature of 50 g of a substance by 15°C when the specific heat is .92 J/g-°C?

Jun 21, 2017

690 J

#### Explanation:

Use the formula q=mCΔT

q = heat absorbed or released, in joules (J)
m = mass
C = specific heat capacity
ΔT = change in temperature

Plug known values into the formula.

$q = 50 \left(.92\right) \left(15\right)$
$q = 690$

690 joules of heat energy are needed.