Physical Science Chapter 18
Physical Science. Yes.
- 1.Increasing temperature increases disorder and entropy.
- A.
True
- B.
False
- 2.Irreversible processes are always spontaneous and occur on their own without any intervention.
- A.
True
- B.
False
- 3.From our current understanding, sometime in the future engineers will design a car that is completely efficient (a car that creates no additional disorder in the universe).
- A.
True
- B.
False
- 4.Gravitational potential energy is a more ordered form of energy than electrical potential energy.
- A.
True
- B.
False
- 5.A salt shaker and a pepper shaker get knocked off the table and break on the floor. Separating the salt and pepper can be considered an irreversible process.
- A.
True
- B.
False
- 6.An ice cube melts in a warm glass of water. This is an example of an ______ process.
- 7.Complete conversion of one energy form to another energy form takes place only if the energy converts to a __________ energy form.
- 8.The universe is the combination of a(n) _______ plus its _________.
- 9.Everything outside what we have defined to be the system.
- 10.A process that goes in only one direction; its effects cannot be undone. Most processes that occur in nature are this way.
- 11.A process that goes both forward and backward at the same time.
- 12.A small piece of the world around which we mentally draw a box and upon which we focus our attention.
- 13.A quantitative measure of disorder. It increases as the disorder increases.
- 14.Disorder in the universe increases or stays the same any time a process occurs.
- 15.Overall disorder remains unchanged in
- A.
Reversible processes
- B.
Chemical processes
- C.
Mechanical processes
- D.
Irreversible processes
- 16.If analyzing a fridge in relationship to its surroundings, what would the fridge be considered?
- A.
Entropy
- B.
Surroundings
- C.
System
- D.
Both b and c
- 17.Which of the following is a reversible process?
- A.
A man diving into a pool
- B.
Water falling down Niagara Falls
- C.
A pendulum swinging in a frictionless environment
- D.
Scrambling eggs
- E.
None of the above
- 18.Which of the following processes is closest to an ideal reversible process?
- A.
A golf ball falls into med and sticks there
- B.
Water evaporates from a glass sitting on the kitchen table
- C.
A book sliding on a horizontal table comes to rest because of friction
- D.
A ripe peach rots in the Sun
- E.
An ice cube changes shape while floating in a glass of water at 0 degrees C
- 19.An auto engine cannot convert all of its fuels chemical potential energy into macroscopic kinetic energy because
- A.
Energy would not be conserved
- B.
Energy would be conserved
- C.
Mass would not be conserved
- D.
Disorder would be decreased
- 20.The Law of Increasing Disorder places limits on the efficiency of energy conversion. Which of the following is allowed?
- A.
100% conversion of ambient temperature thermal energy to kinetic energy
- B.
100% conversion of chemical potential energy to kinetic energy
- C.
100% conversion of sunlight to kinetic energy
- D.
100% conversion of electricity to ambient temperature thermal energy
- E.
100% conversion of ambient temperature thermal energy to chemical potential energy
- 21.Of the quantities listed, the one associated with the most disorder is
- A.
Chemical potential energy
- B.
Gravitational potential energy
- C.
Macroscopic kinetic energy
- D.
Nuclear potential energy
- E.
Thermal energy in a glass of water
Questions: 15 | Attempts: 7062 | Last updated: Mar 21, 2022
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Sample QuestionThermal energy is the __________ of the particles in a material.
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Sample QuestionWhen an object's distance from another object is changing.
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