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16-08-2016
Physics

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5. In a lab experiment, 45 grams of a metal are heated from 22⁰C to 78⁰C by the addition of 450 J of heat. What is the specific heat of the metal? Show all calculations leading to an answer.

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16-08-2016

Energy = mc (delta T) where m is the mass in kg, c is the specific heat capacity, and delta T is the change in temperature.

450 = (45x10^-3)c (78-22)

450 = (0.045)c (56)

c = 178.57 J/kgK

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