KINDLY FILL IN THE BLANKS:(4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 oC and rejects heat to a room at 24.0 oC. Suppose that 85.0 kg of water at 0.0 oC are converted to ice at 0.0 oC. How much energy (in Joules) must be supplied to the machine to achieve this task? (4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 °C and rejects heat to a room at 24.0 °C.Suppose that 85.0 kg of water at 0.0 °C are converted to ice at 0.0 °C. How much energy (in Joules) must be supplied to the machine toachieve this task?Sol.Since the machine is a operating in a Carnot cycle, then, its efficiency ise =/TH|By virtue of first law, the work done to convert water to ice is given byW = Q =Thus, the total energy needed to convert 85 kg of water isET =687.5 J

Given data The temperature of the water is TC=0oC=273 K The temperature of the room is TH=24oC=297 K…

Answered: (4 blanks) An ice-making machine…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 11P

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KINDLY FILL IN THE BLANKS:

(4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 ^oC and rejects heat to a room at 24.0 ^oC. Suppose that 85.0 kg of water at 0.0 ^oC are converted to ice at 0.0 ^oC. How much energy (in Joules) must be supplied to the machine to achieve this task?

(4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 °C and rejects heat to a room at 24.0 °C.
Suppose that 85.0 kg of water at 0.0 °C are converted to ice at 0.0 °C. How much energy (in Joules) must be supplied to the machine to
achieve this task?
Sol.
Since the machine is a operating in a Carnot cycle, then, its efficiency is
e =
/TH|
By virtue of first law, the work done to convert water to ice is given by
W = Q =
Thus, the total energy needed to convert 85 kg of water is
ET =
687.5 J

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