Can you help me with this please. I need a complete solution and explanation of this one please. Topic 2:1. A freezer containing 2.0 kg of ice had a temperature of -5.0 •C initially. Suddenly, a powerinterruption occurred. Right before the power returned, only 250 g ice was left. Calculatethe heat flow of the water during the blackout.Calculation

Answered: Image /qna-images/answer/bf1da60e-fb3e-4b5e-8fa1-efd31c96c4ca.jpg

Answered: Topic 2: 1. A freezer containing 2.0 kg…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.106PAE

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Questions 4-10, Thanks.
The main reason that distillation is a costly method for purifying water is the high energy required to heat and vaporize water. Part A Using the density, specific heat, and heat of vaporization of water from Appendix B in the textbook, calculate the amount of energy required to vaporize 1.00 gal of water beginning with water at 25 °C. Express your answer using two significant figures. E = 9700 kJ Submit Previous Answers v Correct The volume of the water, given in gallons, must first be converted to grams using the density from the appendix. 3780 gal x t x1L x 1000 mL. x 0.99707 g H20 – 1.43 x 107 g H.O 1L 4 qt 1 gal 1.43 x 107 g H20 1.057 qt 1 ml. First, the water needs to be heated from 25 °C to 100 °C. The heat associated with this process is calculated using the specific heat of water from the appendix. = mcAT = 1.43 x 107 g H,O x 9 4.184 J g.°C x (100°C – 25°C) x I kJ * 1000 J %3D = 4.481 x 106 k.J Once the water reaches 100 °C, it must then be vaporized. The heat associated with…

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Topic 2: 1. A freezer containing 2.0 kg of ice had a temperature of -5.0 •C initially. Suddenly, a power interruption occurred. Right before the power returned, only 250 g ice was left. Calculate the heat flow of the water during the blackout. Calculation