Answer to Question #68275 in Chemistry for Chloe

Question

What is the total amount of heat calories required to increase the temperature of 28 grams of water from 22 ^C to 42^C?

Answer 1

Solution:

The amount of heat and the change in temperature are related as:

where is the specific heat capacity and is the mass of the water. The former is 1 cal/(°C·kg),

and the latter is 28·10 -3 kg. Thus, we can calculate the amount of heat:

Answer: 0.56 cal