Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter20: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 20.6OQ: Ethyl alcohol has about one-half the specific heat of water. Assume equal amounts of energy are...
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Hi. Pls explainn the solution step by step. Where the numbers came from
![Problem: How much steam at 100* is needed to just melt 5Kg of ice at -
-15*C
Heat loss= Heat gain
Heat condense steam + Heat loss of water= Heat gain of ice + heat of
melt ice.
mteam Lv + m steam Cwater Change in T= mice Cice Change in T+ mice 4
m
steam
22.5 105+m steam *4200* (100-0)=5*2300* ( 0-(-15)
+5*3.34* 105
2.67 * 106
= 1.84*106
steam
p.69kg
m
steam](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa77d8238-b70d-498f-a10a-c5efdd3f9466%2Ffd8c7237-ac60-4876-8c8c-3fffbc1f26ad%2Fg0bfko_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem: How much steam at 100* is needed to just melt 5Kg of ice at -
-15*C
Heat loss= Heat gain
Heat condense steam + Heat loss of water= Heat gain of ice + heat of
melt ice.
mteam Lv + m steam Cwater Change in T= mice Cice Change in T+ mice 4
m
steam
22.5 105+m steam *4200* (100-0)=5*2300* ( 0-(-15)
+5*3.34* 105
2.67 * 106
= 1.84*106
steam
p.69kg
m
steam
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