To determine The equilibrium temperature of the water and pan. Explanation According to principle of mixing loss of heat by the pan must be equal to gain of heat by the water. Let T be the common temperature. Write the heat balance-equation at equilibrium. m p c p ( T − T p ) + m w c w ( T w − T ) = 0 (I) Here, m p is the mass of the pan, c w is the specific heat of the water, T w is the initial temperature of water, m p is the mass of the pan c p is the specific heat capacity of the Aluminum pan, T p is the initial temperature of the aluminum pan, T is the equilibrium temperature for both water and pan. Rearrange the above equation to get T . T = [ m p c p T p + m w c w T w ] m w c w + m p c p (II) Conclusion: The specific heat capacity of water is 1.0 kcal / kg ⋅ ° C . The specific heat capacity of aluminum is 0.215 kcal / kg ⋅ ° C . Substitute 144 ° C for T p , 21.0 ° C for T w , 2.65 kg for m p , 1

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ISBN: 9780134988559

Author: Wolfson, Richard

Publisher: Pearson Education,

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Chapter 16, Problem 35E

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The equilibrium temperature of the water and pan.

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Chapter 16, Problem 34E

Chapter 16, Problem 36E

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