A piece of copper absorbs 50 kJ of heat while its temperature rises from 20°C to 70°C. Calculate the mass of the copper.

A piece of copper absorbs 50 kJ of heat while its temperature rises from 20°C to 70°C. Calculate the mass of the copper.



A. 0.333 kg

B. 1.54 kg

C. 2.58 kg

D. 3.50 kg

E. 116 kg


Answer: C


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