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Get Full Access to University Physics - 13 Edition - Chapter 17 - Problem 50e
Get Full Access to University Physics - 13 Edition - Chapter 17 - Problem 50e

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# An open container holds 0.550 kg of ice at - 15.0o C. The ISBN: 9780321675460 31

## Solution for problem 50E Chapter 17

University Physics | 13th Edition

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Problem 50E

An open container holds 0.550 kg of ice at - 15.0o C. The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 800.0 J/min for 500.0 min. (a) After how many minutes does the ice start to ?melt?? (b) After how many minutes, from the time when the heating is first started, does the temperature begin to rise above 0.0o C? (c) Plot a curve showing the temperature as a function of the elapsed time.

Step-by-Step Solution:

Solution 50 Step 1: The expression for heat required for the ice to raise the temperature to 0 C is Q = mcT Q = mc(T 2 ) 1 The ice starts melting when temperature reaches 0 C . Where 0 Q heat required for the ice to raise 0 C m mass of ice (m = 0.550 kg) 3 C specific heat of melting ice (C = 2.10 × 10 J/kg.k) T 1 initial temperature of system (T = (115 + 273 K)) T final temperature of system (T = 273 K) 1 2

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##### ISBN: 9780321675460

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