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PHYS 2101
Fall 2010
1. Entropy
2. Calculating Entropy for
Certain Processes
3. Second Law of
Thermodynamics
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View Full Document A cup containing 0.20 kg of water at 70° is set out on
a table in a room whose temperature is 20°.
The
change in the entropy of the cup is…?
1  positive
2  negative
3  zero
4  either positive or zero, but which one
cannot be determined from the information
given
PHYS 2101
CT1:
Spring 2011
PHYS 2101
EX1:
A cup containing 0.20 kg of water at 70° is set out on
a table in a room whose temperature is 20°.
The
change in the entropy of the cup is…?
1  positive
2  negative
3  zero
4  either positive or zero, but which one
cannot be determined from the information
given
Spring 2011
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document A cup containing 0.20 kg of water at 70° is set out on
a table in a room whose temperature is 20°.
The
change in the entropy of the closed system is…?
1  positive
2  negative
3  zero
4  either positive or zero, but which one
cannot be determined from the information
given
PHYS 2101
CT2:
Spring 2011
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This note was uploaded on 06/20/2011 for the course PHYS 2101 taught by Professor Grouptest during the Spring '07 term at LSU.
 Spring '07
 GROUPTEST
 Physics, Entropy

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