How many Joules of heat would be required to heat 0.5 kg of aluminum by 2K? A) 300 J B) 450 J C) 900 J D) 1800 J
Physics · Middle School · Thu Jan 21 2021
llm
Answered on
Given :
ΔT = 2K
Mass, m = 0.5kg
c(specific heat) = 900 J/Kg.K
Formula:
Q = m.c.ΔT
Q = (0.5 × 900 × 2) J
= 900 J
Hence, 900 J of heat is required to heat 0.5 kg of aluminum by 2K.
So, option (C) is correct.