Question

Raise the temperature 2g of water 2C how many calories are needed?

please tell me how to solve these

Answer 1

A calorie raises a gram of liquid water

Answer 2

A calorie will raise a gram of liquid water 1 degree K (or C). So two grams by two degrees needs four calories.

Explanation:

A calorie will raise a gram of liquid water 1 degree K (or C). So two grams by two degrees needs four calories.