How much energy was transferred during the phase change shown on the cooling curve? Use the phase diagram and table of values below to help you answer the question. COOLING CURVE FOR ANPHASE DIAGRAM OF AN ALCOHOLALCOHOL62500liquidsolid4001.00300200| 4.2 × 109.100gas5101520Time (min)150 159 351 514Temperature (K) (not to scale)Temperature (K)Pressure (atm) (not to scale) WaterAlcoholHeat of Vaporization, H (J/g)2,260841vapHeat of Fusion, H (J/g)334109fusSpecific Heat Capacity of the Liquid, c(J/g•K)4.182.46

Given mass of alcohol = 10g Melting point = 159 k Boiling point = 351k We have to find out the…

COOLING CURVE FOR AN PHASE DIAGRAM OF AN ALCOHOL ALCOHOL 62 500 - liquid solid 400 1.00 300 200 4.2 x 10°. 100 gas 10 15 20 Time (min) 150 159 351 514 (KUnot to scale Temperature (K) Pressure (atm) (not to scale)

COOLING CURVE FOR AN PHASE DIAGRAM OF AN ALCOHOL ALCOHOL 62 500 - liquid solid 400 1.00 300 200 4.2 x 10°. 100 gas 10 15 20 Time (min) 150 159 351 514 (KUnot to scale Temperature (K) Pressure (atm) (not to scale)

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...

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Question

How much energy was transferred during the phase change shown on the cooling curve? Use the phase diagram and table of values below to help you answer the question.

COOLING CURVE FOR AN
PHASE DIAGRAM OF AN ALCOHOL
ALCOHOL
62
500
liquid
solid
400
1.00
300
200
| 4.2 × 109.
100
gas
5
10
15
20
Time (min)
150 159 351 514
Temperature (K) (not to scale)
Temperature (K)
Pressure (atm) (not to scale)

Water
Alcohol
Heat of Vaporization, H (J/g)
2,260
841
vap
Heat of Fusion, H (J/g)
334
109
fus
Specific Heat Capacity of the Liquid, c
(J/g•K)
4.18
2.46

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