# Question #9859e

##### 1 Answer

Oct 2, 2017

Use the formula

#### Explanation:

The formula that applies in such a case is

- Q is positive energy if heat is gained by the mass and negative energy if heat is lost
- m is the mass of the material being heated or cooled
- c is called specific heat - it is a characteristic of the material of the mass
#DeltaT# is the temperature change from the starting temperature - if negative, the mass was cooled.

For example:

The specific heat of water is about

I hope this helps,

Steve