A piece of copper is heated to 90°C and then lowered into a beaker of water at 20°C. The copper transfers 3040 J of energy to th

Question

A piece of copper is heated to 90°C and then lowered into a beaker of water at 20°C.

The copper transfers 3040 J of energy to the water before it is removed.

The temperature of the copper after it is removed is 50°C.

The specific heat capacity of copper is 380 J/kg °C.

Calculate the mass of the copper.

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Trúc Chi 6 months 2021-07-27T14:40:14+00:00 1 Answers 1 views 0

Answers ( )

    0
    2021-07-27T14:41:33+00:00

    Answer:

    20kg

    Explanation:

    heat lost by copper=heat gained by watter

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