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Question

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How much ice at a temperature of -12.4 degree C C must be dropped into the water so that the final temperature of the system will be 21.0 degree C Take the specific heat of liquid water to be 4190j/kg K , the specific heat of ice to be 2100J/kg K , and the heat of fusion for water to be 3.34 times 105 J/kg. What will the new water temperature be? If it takes 3.80 min for the water to reach a boil, what volume of water in Cm3, was in the kettle? Stainless steel is mostly iron, so you can assume its specific heat is that of iron. What is the final temperature of the gas in the cylinder A? What are the final temperature of the gas in the cylinder B? What is the final volume of the gas in the cylinder A? What is the final volume of the gas in the cylinder B?

Explanation / Answer

A. let mass of ice required = x grams initial tempeartue of 0.295 kg of water = 75.7 degree c

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