(11%) Problem 2: Suppose you place 0.27 kg of 22°C water in a 0.525 kg aluminum

Question

(11%) Problem 2: Suppose you place 0.27 kg of 22°C water in a 0.525 kg aluminum pan with a temperature of 149°C, and 0.0125 kg of the water evaporates immediately, leaving the remainder to come to a common temperature with the pan Specific heat (c) Substances Solids J/kg C Aluminum Concrete Copper Granite Ice (average 900 840 387 840 2090 kcal/kg.C 0.215 0.20 0.0924 0.20 0.50 Liquids Water 4186 1.000 Gases 1520 (2020) 0.36300.482 ©theexpertta.com Steam (100°C) What would be the final temperature, in degrees Celsius, of the pan and water? The heat of vaporization of water is LV-2256 kJ/kg. You may neglect the effects of the surroundings and the heat required to raise the temperature of the vaporized water Grade Summary Deductions Potential Te = 122.11 0% 100% sin() cos() tan() ? ( cotanasin)acosO atan acotan) sinh) cosh tanhcotanh0 789 HOME Submissions A 456

Explanation / Answer

here,

mass of water , m = 0.27 kg

mass of water evaporated , m1 = 0.0125 kg

mass of water left , m2 = m - m1 = 0.2575 kg

as all the water does not becomes vapourized

the remaining water must be at 100 degree C and the temprature of Pan should be same

the final temprature of the system is 100 degree C

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