How much heat will be released during cooling from 80 degrees to 25 degrees of a brick kiln weighing 2000 kg.

univerkov | December 11, 2020 | education

Given:
m = 2000 kg.
t1 = 80
t2 = 25
c = 880
Find: Q -?
Decision:
Q = c * m * Δ t
Δ t = t1 – t2
Δ t = 80 – 25 = 55
Q = 880 * 2000 * 55 = 96,800,000 J = 96.8 * 10 ^ 6 J = 96.8 MJ
Answer: Q = 98.8 MJ

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