# If 100.00 J are added to 20.0 g water at 30.0°C, what will be the final temperature of the water?

##### 1 Answer

Jan 5, 2017

The final temperature of the water will be 31.2 °C.

#### Explanation:

The formula for the heat gained or lost by a substance is

#color(blue)(bar(ul(|color(white)(a/a)q = mcΔTcolor(white)(a/a)|)))" "#

We can rearrange this equation to get

#ΔT = q/(mc)#

In this problem,