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A technician measures the specific heat of an unidentified

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 36E Chapter 17

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 36E

A technician measures the specific heat of an unidentified liquid by immersing an electrical resistor in it. Electrical energy is converted to heat transferred to the liquid for 120 s at a constant rate of 65.0 W. The mass of the liquid is 0.780 kg, and its temperature increases from 18.55o C to 22.54o C. (a) Find the average specific heat of the liquid in this temperature range. Assume that negligible heat is transferred to the container that holds the liquid and that no heat is lost to the surroundings. (b) Suppose that in this experiment heat transfer from the liquid to the container or surroundings cannot be ignored. Is the result calculated in part (a) an ?overestimate or an underestimate of the average specific heat? Explain.

Step-by-Step Solution:

Solution 36E Step 1 of 7: (a) Find the average specific heat of the liquid in this temperature range. Assume that negligible heat is transferred to the container that holds the liquid and that no heat is lost to the surroundings. Given data, Power transferred, P= 65 W Time taken for transfer, t= 120 s Mass of the liquid, m= 0.780 kg Initial temperature of liquid, T = 18.55 c 0 i Final temperature of liquid, T = 22.54 c 0 f To find, Change in temperature, T = Energy transferred to liquid, E= Average specific heat of the liquid , c =

Step 2 of 7

Chapter 17, Problem 36E is Solved
Step 3 of 7

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This full solution covers the following key subjects: heat, liquid, specific, surroundings, temperature. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. Since the solution to 36E from 17 chapter was answered, more than 337 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 36E from chapter: 17 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This textbook survival guide was created for the textbook: University Physics, edition: 13. University Physics was written by and is associated to the ISBN: 9780321675460. The answer to “A technician measures the specific heat of an unidentified liquid by immersing an electrical resistor in it. Electrical energy is converted to heat transferred to the liquid for 120 s at a constant rate of 65.0 W. The mass of the liquid is 0.780 kg, and its temperature increases from 18.55o C to 22.54o C. (a) Find the average specific heat of the liquid in this temperature range. Assume that negligible heat is transferred to the container that holds the liquid and that no heat is lost to the surroundings. (b) Suppose that in this experiment heat transfer from the liquid to the container or surroundings cannot be ignored. Is the result calculated in part (a) an ?overestimate or an underestimate of the average specific heat? Explain.” is broken down into a number of easy to follow steps, and 127 words.

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A technician measures the specific heat of an unidentified