A Slice of Pizza Has 500 Kcal

Multiple Choice

A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold water, what would be the approximate increase in the temperature of the water? (Note: A liter of cold water weighs about 1 kg.)

A) 50°C
B) 5°C
C) 100°C
D) 10°C