Question

Raising 100 grams of water from 40 to 60 °c (the specific heat capacity of water is 1 cal/g) requires the addition of What? A) 120 calories B) 1500 calories C) 2000 calories D) 2400 calories

Answer 1

the answer to this question lady's is C

Answer 2

Q=mc(delta T)
= (100 g)(1 cal/g(K))(60-40)
=100(20)
=2000 calories
letter C