Part AThe main reason that distillation is a costly methodfor purifying water is the high anergy requirod toheat and vaporize waterUsing the density, specific heat, and heat of vaporization of water from Appendix B in the textbookcalculate the amount of energy required to vaporize 1.00 gal of water beginning with water at 25 "C.Express your answer using two significant ligures.E 9700 kJPrevious AnsweES Review | Constants | Periodic Table3.6 x 10" J)If the energy is provided by electricity costing $0.076 /kwh, calculate its cost (1 kwh:Express your answer using two significant figures.$ 0.20Previous AnswersCorrectThe cost is calculated using the conversion factors given.1000 JkJ$0.085kwh9700 kJ1 kwh.costgal H2O3.6x10 J$0.20/galPart CIf distilled water sells in a grocery store for $1.32 per gal. what percentage of the sales price isrepresented by the cost of the energy?Express your answer using two significant figures.

Answered: Image /qna-images/answer/65412cd1-9ede-4491-be7a-e9d6fbad18b7.jpg

Answered: Part C If distilled water sells in a…

Part C If distilled water sells in a grocery store for $1.32 per gal what percentage of the sales price is represented by the cost of the energy? Express your answer using two significant figures.

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter15: Gases,liquids, And Solids

Section: Chapter Questions

Problem 61E

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In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

Question

Part A
The main reason that distillation is a costly method
for purifying water is the high anergy requirod to
heat and vaporize water
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 ligures.
E 9700 kJ
Previous AnsweES

Review | Constants | Periodic Table
3.6 x 10" J)
If the energy is provided by electricity costing $0.076 /kwh, calculate its cost (1 kwh:
Express your answer using two significant figures.
$ 0.20
Previous Answers
Correct
The cost is calculated using the conversion factors given.
1000 J
kJ
$0.085
kwh
9700 kJ
1 kwh.
cost
gal H2O
3.6x10 J
$0.20/gal
Part C
If distilled water sells in a grocery store for $1.32 per gal. what percentage of the sales price is
represented by the cost of the energy?
Express your answer using two significant figures.

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