Physics, 25.11.2019 19:31 lauramount
(a) a piece of aluminum (specific heat 0.910kj/kg0c) of mass 161g at 740c is dropped into a styrofoam cup filled with 152ml water at 200c. what are the final temperatures of the water and the aluminum? use c instead of 0c in your answer.
hint 1: because the cup is well-insulated, you can assume that all the heat leaving the aluminum as it cools goes to heating the water.
hint 2: how are the final temperature of the aluminum related to the final temperature of the water?
(use 4.19kj/kgoc for the specific heat of water.)
(b)you baked two cakes: one in a light aluminum pan and one in a heavy pyrex pan.
-the pan that needs to give up the most heat energy to cool down to room temperature.
a-pyrex b-aluminum
-the pan that gives up the heat energy the fastest
a-pyrex b-aluminum
-the pan most likely to burn your fingers if you try to move it too soon.
a-pyrex b-aluminum
-the pan in which the bottom of the cake is most likely to brown (same temperature oven, same time in oven.)
a-pyrex b-aluminum
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(a) a piece of aluminum (specific heat 0.910kj/kg0c) of mass 161g at 740c is dropped into a styrofoa...
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