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Get Full Access to University Physics - 13 Edition - Chapter 17 - Problem 27e
Get Full Access to University Physics - 13 Edition - Chapter 17 - Problem 27e

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# An aluminum tea kettle with mass 1.50 kg and containing

ISBN: 9780321675460 31

## Solution for problem 27E Chapter 17

University Physics | 13th Edition

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Problem 27E

An aluminum tea kettle with mass 1.50 kg and containing 1.80 kg of water is placed on a stove. If no heat is lost to the surroundings, how much heat must be added to raise the temperature from 20.0°C to 85.0°C?

Step-by-Step Solution:

Solution 27 E Step 1 : In this question, we to find the heat that must be added to raise temperature from 0 0 20 C to 85 C This is obtained using Q = mc T Specific heat of aluminium c =a0.900 J/kg/K Specific heat of water cw= 0.385 J/kg /K Change in temperature T = 85 C 20 C = 65 C 0 Heat in aluminium is 0 Q a 1.50 kg × 0.900 J/kg /K × 65 C Q a 87.75 J Heat in water is 0 Q a 1.80 kg × 0.385 J/kg /K × 65 C Q a 45.045 J Hence the heat need is Q + Q = 87.75 + 45.045 = 132.795 a w Q = 132.795 J

Step 2 of 1

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An aluminum tea kettle with mass 1.50 kg and containing