Question: I have no clue how to do this one. A 25.0g block of copper (specific heat capacity 0.380J/gC ) at 81.0 C is placed into

I have no clue how to do this one.

A 25.0g block of copper (specific heat capacity 0.380J/gC ) at 81.0 C is placed into 500.0g of water initially at 20.0C. What is the change in temperature ( in C ) of the copper block? (The specific heat capacity of water is 4.184J/gC )

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