An electric kettle was used to heat a liter of water. Determine the heat needed (kJ) to bring the temperature of the water to its boiling point assuming that the initial temperature of the water is 20°C. Use Specific heat of water as 4.187kJ/kg-K. Derive with the formula below, show the cancellation,
An electric kettle was used to heat a liter of water. Determine the heat needed (kJ) to bring the temperature of the water to its boiling point assuming that the initial temperature of the water is 20°C. Use Specific heat of water as 4.187kJ/kg-K. Derive with the formula below, show the cancellation,
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 11P
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8. An electric kettle was used to heat a liter of water. Determine the heat needed
(kJ) to bring the temperature of the water to its boiling point assuming that the initial temperature of the water is 20°C. Use Specific heat of water as 4.187kJ/kg-K. Derive with the formula below, show the cancellation, explain the step by step and draw a free body diagram/figure.
refer with this:
PE1 + KE1 + U1 + WF1 + Q1 + W1 = PE2 + KE2 + U2 + WF2 + Q2 + W2 + E losses.
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