A 4.5 kg block of aluminum is heated from 29?C to 97?C at atmospheric pressure. Find the work done by the aluminum. Assume the density of aluminum is 2700 kg/m3 and the thermal coefficient of expansion is 2.4 × 10?5 ( ?C)?1 . Answer in units of J
Find the amount of energy transferred to it by heat. Assume the specific heat of aluminum is 900 J/kg · ? C. Answer in units of J.
Find the increase in its internal energy. Answer in units of J
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