Answered

A 54 gram sample of an unknown metal requires 621 Joules of energy to heat it from 30.5◦C to 94◦C. What is the specific heat of this metal? Answer in units of J/g · ◦ C.



Answer :

mnoz
Use q= mcAt
(heat= mass x specific heat capacity x change in temp)

621 J = (54)(94-30.5)c

c = .1811 J/g x °C

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