Question

a piece of gold is heated to 100 degrees celsius. A piece of copper is chilled in an ice bath to 0 degrees celsius. Both pieces of metal are placed in a beaker containing 150 g of water at 20 degrees celcius. Will the temperature of the water be greater than or less than 20 degrees celcius when thermal equilibrium is reached? Calculate the final temperature.
I don't think this can be done without knowing the quantity of Au and the quantity of Cu.

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