Question

30) The number of calories needed to raise the temperature of 32 g of water from 12°C to 54 °C is A) 380 cal B) 1.3 cal C) 1300 cal D) 1700 cal E) 0.76 cal ​

Answer 1

5,600 J would be the answer

Explanation:
Joules = mass x specific heat x temperature change
32 x 4.184 x (54 - 12)
= 133.888 x 42
= 5,623.296
(significant figures => 5,600)