Question: while forming a 4.9 kg gold trphy , a metal smith takes molten gold at 1400 degree , pours it into a mould , and

while forming a 4.9 kg gold trphy , a metal smith takes molten gold at 1400 degree , pours it into a mould , and then cools it to a room temperature of 23.0 degree . calculate the thermal energy released by gold during the process. include a neat sketch of a heating / cooling curve with proper graph conventions

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