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Laws of Thermodynamics Examples
By Tara Stewart
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Last updated 6 months ago
12 questions
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Question 1
1.
Draggable item
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Corresponding Item
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Question 2
2.
Hot coffee cooling in a room shows that
entropy and energy drop
energy rises
entropy stays constant
entropy rises; energy stays constant
Question 3
3.
According to the Third Law, the entropy of a perfect crystal at 0\,K is
zero
one
undefined
infinite
Question 4
4.
Heat flowing from a hot spoon to cool soup until both match temperature illustrates which law?
third law
zeroth law
first law
second law
Question 5
5.
Third Law says absolute zero is unreachable. Which observation supports this?
Metal contracts when cooled
Molecules still vibrate near 0 K
Steam condenses at 100 C
Ice forms below 0 C
Question 6
6.
Zeroth Law concept: A=B temp, B=C temp, so A=C. Which setup?
Boiling water warms hand
Refrigerator chills milk
Two metals both match thermometer
Heater raises room temp
Question 7
7.
Which scenario demonstrates entropy increase per the Second Law?
Battery being recharged
Ice cube melting in soda
Cool air leaks from fridge
Pendulum slows from friction
Question 8
8.
Which situation best shows the First Law of Thermodynamics?
Bike brakes heat rims
Metal expands when heated
Generator converts motion to electricity
Coffee cools in room
Question 9
9.
Why is reaching absolute zero impossible according to thermodynamics? Which law?
Third Law
Second Law
Zeroth Law
First Law
Question 10
10.
A refrigerator requires work to move heat cold to hot. Which law?
Second Law
Zeroth Law
Third Law
First Law
Question 11
11.
Warm soda cools while ice warms until both match temperature. Which law?
Zeroth Law
Second Law
Third Law
First Law
Question 12
12.
A frictionless piston warms as compressed gas does work. Which law?
Zeroth Law
First Law
Second Law
Third Law