Biology, asked by Anonymous, 8 months ago

find heat lost by copper cube of mass of 400g when it cools from 100°c to 30°C specific heat of copper is equal to 390 j/kg°C

Answers

Answered by glady97

0

Answer:

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Explanation:

m=400g=0.4kg

C=390Jkg−1oC−1

T1=100oC,T2=30oC

ΔT=70oC

∴ Heat lost =mC(T1−T2)

=0.4×390×70J=

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