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- 1. Multiple Choice
What is thermodynamics?
study of heat and work
study of momentum
study of atoms
study of light
- 2. Multiple ChoiceIt is possible to reach absolute zerotruefalse
- 3. Multiple ChoiceThe second law of thermodynamics states that entropy of a system tends to ______________.increasedecreasestay constantfluctuate wildly
- 4. Multiple Choice
The temperature of a glass of cold water will eventually...Match the temperature of the surrounding environment.Always be colder than the surrounding environment.Become warmer than the surrounding environment.Never change temperature. - 5. Multiple ChoiceThe first law of thermodynamics states that energy iscreateddestroyedconservedcreated and destroyed
- 6. Multiple Choice
How many laws of thermodynamics are there?
5
4
3
2
1
- 7. Multiple ChoiceEntropy increases from solid, liquid to gas. Why?Molecular disorder increasesMolecular randomness decreasesMolecules are more energeticMolecules are more reactive
- 8. Multiple ChoiceIn which of the following systems is entropy increasing?Putting together a puzzlePutting books on a shelfBreaking a plateFilling a jar of salt
- 9. Multiple ChoiceThe first law of thermodynamics states that the change in the internal energy of a system is equal to the difference in energy transferred to or from the system as heat andmasswork doneforcepressure
- 10. Multiple Choice
Heat transfers from an area of ____temperature to an area of ___ temperature.
high to low
low to high
high to high
All
- 11. Multiple Choice
If an ideal gas is compressed isothermally, which of
the following statements is true?
Energy is transferred to the gas by heat.
No work is done on the gas.
The temperature of the gas increases.
The internal energy of the gas remains constant.
None of those statements is true
- 12. Multiple Choice
When an ideal gas undergoes an adiabatic expansion, which of the following statements is true?
The
temperature of the gas doesn’t change
No work is done by the gas.
No energy is delivered to the gas by heat
The internal energy of the gas doesn’t change.
The pressure increases
- 13. Multiple Choice
A gas is heated by supplying it with 250 kJ of
energy; at the same time, it is compressed
so that 500 kJ of work is done on the gas.
Calculate the change in the internal energy of
the gas.
250 kJ
750 kJ
-250 kJ
500 kJ
- 14. Multiple Choice
A heat engine
converts heat input to an equivalent amount of work
converts work to an equivalent amount of heat
takes heat in, does work, and loses energy heat
uses positive work done on the system to transfer heat from a low temperature reservoir to a high temperature reservoir
uses positive work done on the system to transfer heat from a high temperature reservoir to a low temperature reservoir
- 15. Multiple Choice
Which of the following statements best describes the Second Law of Thermodynamics?
The internal energy of the universe is constant.
Energy can be neither created nor destroyed.
When an isolated system undergoes a spontaneous change, the entropy of the system will increase.
At absolute zero, the entropy of a perfect crystal is considered to be zero.
- 16. Multiple ChoiceAn ice cube is placed on a table and begins to melt. The following conclusion can be made.Energy is being absorbed by the table which causes the cube to melt.Energy is being transferred from the table to the ice cube.Energy is being created by the air and table and making the cube heat up.Energy is being created by the ice cube and is being released to the air
- 17. Multiple ChoiceThe _____ Law of Thermodynamics says that heat always flows from an object with a higher temperature to an object of lower temperature naturallyZerothFirstSecondThird
- 18. Multiple ChoiceWhich law of thermodynamics states that absolute zero cannot be reached?1st2nd3rdZeroth
- 19. Multiple ChoiceAs time progresses, Energy will naturally become more spread out. It can only come together if you make it.Zeroth Law of ThermodynamicsFirst Law of ThermodynamicsSecond Law of ThermodynamicsThird Law of Thermodynamics
- 20. Multiple ChoiceWhat is internal energy?The amount of heat an object contains.The sum of the kinetic and potential energy of the particles of a substance.Something we can measure easily.Something that does not exist.
- 21. Multiple ChoiceThe first law of thermodynamics is basically the same as which law?Newton's first lawThe law of conservation of energyThe law of conservation of momentumNewton's second law
- 22. Multiple ChoiceIt states that if two thermodynamic systems are each in thermal equilibrium with a third, then they are in thermal equilibrium with each other.First Law of ThermodynamicsSecond Law of ThermodynamicsThird Law of ThermodynamicsZeroth Law
- 23. Multiple Choice
Which of the following would have the highest entropy?
A cold solid
A hot liquid
A hot gas
A cold gas
- 24. Multiple Choice
Which law states "The entropy of a closed system is always increasing"?
Zeroth Law
1st Law
2nd Law
3rd law
- 25. Multiple Choice
Which law states "Energy can neither be created nor destroyed. It can only be transformed"?
Zeroth Law
1st Law
2nd Law
3rd law
- 26. Multiple Choice
Which law explains the relationship between temperature and entropy?
Zeroth Law
1st Law
2nd Law
3rd Law
- 27. Multiple Choice
Which law of Thermodynamics helps to explain how car engines work?
Zeroth Law
1st Law
2nd Law
3rd Law
- 28. Multiple Choice
Which type of system is always used in the Laws of Thermodynamics?
Open Systems
Closed Systems
Isolated Systems
Skeletal System (obviously)
- 29. Multiple Choice
Which type of system is depicted here?
Open System
Closed System
Isolated System
- 30. Multiple Choice
Which would have the highest entropy?
- Answer choicesTagsAnswer choicesTags