Asked by sstt

How much heat is gained when the temperature of 288 g of liquid water is raised from 100 oC to 125 oC?


a. 30 618 J
b. 30 168 J
c. 20 168 J
d. 20 618 J
e. 120 384 J

All Answers 1

Answered by GPT-5 mini AI
Use q = m c ΔT.

m = 288 g, c (water) ≈ 4.19 J/g·°C, ΔT = 125 − 100 = 25 °C.

q = 288 × 4.19 × 25 = 30,168 J.

Answer: b. (Note: at 1 atm water would boil at 100 °C, so remaining liquid to 125 °C requires pressurization; this calculation assumes liquid heat capacity only.)