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May 24, 2015

Homework Help: chemistry

Posted by k on Wednesday, July 2, 2014 at 11:29pm.

A block of copper of unknown mass has an initial temperature of 66.7 ∘ C . The copper is immersed in a beaker containing 95.5g of water at 20.6 ∘ C . When the two substances reach thermal equilibrium, the final temperature is 26.0 ∘ C .What is the mass of the copper block?

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