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Laws of Thermodynamics

Total questions: 12

Worksheet time: 9mins

Name
Class
Date
1.

If you have an insulated water bottle and a plastic water bottle filled with ice. Which would keep the ice in its form for longer?

a)

The plastic bottle would keep the ice shape longer

b)

The insulated bottle would keep the ice shape longer

c)

neither would

2.

Theoretically, at absolute zero the entropy of a system is...

a)

0

b)

1

c)

-1

d)

2

3.

Which system has more entropy?

a)

A

b)

B

c)

the same

4.

Entropy decreases when...

a)

an ice cube melts

b)

a paper burns

c)

water freezes

d)

an iron nail rusts

5.

When the environment tends to get disordered, and entropy increases. This is related to the _______ law of thermodynamics.

a)

first

b)

second

c)

third

6.

If a system does 67 Joules of work, but loses 71 Joules. How much is the Heat added to the system?

a)

4J

b)

67J

c)

138J

d)

71J

7.

Naturally heat flows from cold to hot.

a)

True

b)

False

8.

What is the heat lost in the system below?

a)

1J

b)

790J

c)

390J

d)

10J

9.

A good example of a heat engine is...

a)

a human body

b)

a steam engine

c)

a car engine

d)

all of the above

10.

If a you spray a fragrance spray in a room and it spreads around did the entropy increase or decrease?

a)

decrease

b)

increase

11.

When two objects interact in a calorimeter, the amount of energy lost by 1 object is

a)

equal to the amount of energy lost by the other object

b)

equal to the amount of energy lost by the other object

c)

equal to the amount of energy gained by the other object

d)

greater than the amount of energy gained by the other object

12.

A person is wearing a heat resistance suit. If they stand near a device that produces high amounts of heat, why does the suit prevent the person from experiencing that heat?

a)

its an insulator

b)

its a conductor