Anthony’s thin plastic water bottle holds 500 mL of water at temperature
To show: Heat removed by refrigerator is 50000 J.
Explanation of Solution
Given:
Volume of water,
Initial temperature,
Final temperature,
Heat removed by refrigerator,
Formula used:
Where, Q is amount of heat required, m is mass, c is specific heat and
Calculation:
Density of water is,
Therefore, mass of water,
Change in temperature is,
Specific heat of water is,
Now, substituting the value m , c and
Conclusion:
Therefore, from the above calculation it is clear that heat required is 50000 J.
Chapter 21 Solutions
Conceptual Physics: The High School Physics Program
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