Goal: Problem solving with thermal energy.
Source: UMPERG-ctqpe208
A cup of water is about 225 grams. The minimum amount of heat needed to
boil a cup of water at room temperature for tea is most nearly
- 10,000 cal
- 17,000 cal
- 25,000 cal
- 31,000 cal
- None of the above
- Cannot be determined
Commentary:
Answer
(2) This problem requires that students know the specific heat of water
and assume that the water is initially at room temperature.