7. a block of copper of unknown mass has an initial temperature of 65.4oc. the copper is immersed in a beaker containing 95.7g of water at 22.7oc. when the two substances reach thermal equilibrium, the final temperature is 24.2oc. what is the mass of the copper block?

37.34372 kg

Explanation:

m = Mass

= Change in temperature

1 denotes water

2 denotes copper

c = Heat capacity

Heat is given by

In this case the heat transfer will be equal

Mass of copper block is 37.34372 kg

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