Question: you cool a 1 3 0 . 0 g slug of red - hot iron ( temperature 7 4 5 C ) by dropping it

you cool a 130.0 g slug of red-hot iron (temperature 745 C) by dropping it into an insulated cup of negligible mass containing 70.0 g of water at 20.,0 C. Assume no heat exchange with the surroundings.
a. What is the final temperature of the water?
b. what is the total final mass of the iron + the remaining water?

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