Explanation Given: c p w of water is 4186 J/kgK c p a of aluminium is 921 J/kgK c p c of copper is 376 J/kgK m w of water m a of aluminium m c of copper Formula Used: The formula used is the relation between temperature and specific heat from thermodynamics Q = m c p ( T f − T i ) Where, Q is the heat transferred c p is the specific heat m is the mass T f is the final temperature T i is the initial temperature Calculation: Since all the three materials rise to the same temperature for the same amount of heat, the quantities Q and ( T f − T i ) are the same. One can use the heat capacity formula: Q = m c p ( T f − T i ) for each material: For water: Q = m w c p w ( T f − T i ) For aluminium: Q = m a c p a ( T f − T i ) For copper: Q = m c c p c ( T f − T i ) The ratio of water to aluminium is given by dividing the first two equations above...

7th Edition

ISBN: 9780321625922

Author: Douglas C. Giancoli

Publisher: Addison-Wesley

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Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which…

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Chapter 14, Problem 12P

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Ratios of masses of copper, aluminium and water.

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