kndaniels05
07.10.2019 •
Chemistry
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
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Ответ:
= (100 g)(1 cal/g(K))(60-40)
=100(20)
=2000 calories
letter C
Ответ:
All of them are.
Explanation: