Question

What is the amount of heat necessary to raise the temperature of 8.5 kg of water from 12.5 °C to 84 °C?

Answer 1

Answer:

2.55×10^6J

Explanation:

ΔQ=mcΔT

m=8.5kg

ΔT=84-12.5=71.5°C or 71.5K

c(heat capacity of water) = 4200J/kg

ΔQ=8.5×4200×71.5=2.55×10^6J