How much heat is required to heat steel 1 kg from 15 to 815 (C). Specific heat capacity of steel 400 J / kg (C)

univerkov | December 21, 2020 | education

Given:
m = 1kg; T1 = 15; T2 = 815; c = 400; Q =?
Q = cmT
T = T2-T1 = 815-15 = 800
Q = 400 × 1 × 800
Q = 320,000 J; 320kJ
Answer: Q = 320,000 J or 320 KJ.

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