How much power is required

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Problem 1: Ice is placed in a water pitcher which is at room temperature (23oC). The specific heat of water is 4180 J/(kg*?) and the specific heat of ice is 2220 J/(kg*?). If there are 200 g of ice and 1.5 kg of water, what is the final temperature of the water just after all the ice melts (when the temperature has reached equilibrium).

Problem 2: A particular type of industrial ice maker can produce a 1kg block of ice. How much power is required if it takes 45 minutes for the ice block to freeze? Assume the water starts at room temperature (23 oC) and has a specific heat of 4180 J/(kg*?). (Hint think about solving for Q first. What is the relationship between Q and P?)

Reference no: EM132780290

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