Explanation Section 1: To determine : The mass of the water. Answer: The mass of water is 1.0 kg Explanation : Given Info : Volume of water is 1.0 L. Formula to calculate the mass of the water is, m = ρ V m is the mass of water, ρ is the density of water, V is the volume of water, Substitute 1000 kg / m 3 for ρ , 1.0 L for V to find m . m = ( 1000 kg / m 3 ) ( 1.0 liter ) ( 10 − 3 m 3 1 liter ) = 1.0 kg The mass of water is 1.0 kg . Section 2: To determine : The energy required to boil away the water. Answer: The energy required to boil away the water is 2.59 × 10 6 J . Explanation : Given Info : Initial temperature of water is 20.0 ° C and initial temperature of the water is 20 ° C . First, the heat supplied must increase the temperature of water till the water reaches its boiling point and then the heat supplied must transform all the water to steam at its boiling point 100 ° C . Formula to calculate the energy required to increase the temperate up to the boiling point is, Q boil = ( m water c water ) ( T f − T i ) + m water L v Q boil is the heat required to raise the temperature of water to 100 ° C m water is the mass of water, c water is the specific heat capacity of water, T i is the initial temperature of water and aluminum pot, T f is the boiling temperature of water, L v is the latent heat of vaporization of water, Substitute 1.0 kg for m water , 4186 J / kg ⋅ °C for c water , 2.26 × 10 6 J / kg for L v , 20 ° C for T i , and 100 ° C for T f to find Q boil . Q boil = [ ( 1.0 kg ) ( 4186 J / kg ⋅ °C ) ( 100 ° C − 20 ° C ) ] + [ ( 1.0 kg ) ( 2

11th Edition

ISBN: 8220103599924

Author: Vuille

Publisher: CENGAGE L

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Question

Chapter 11, Problem 69AP

To determine

The time taken to boil away water.

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Chapter 11 Solutions

EBK COLLEGE PHYSICS, VOLUME 2

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The time taken to boil away water.

Solution Summary: The author explains the formula to determine the mass of water and the energy required to boil away the water.

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The time taken to boil away water.

Chapter 11 Solutions