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S9 - Thermodynamics Quiz

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Do molecules generally move faster at 45 C or 106 C?

a)

45 C because molecules have more energy than in 106C

b)

106 C because molecules have more energy than in 45C

c)

106 C because molecules have less energy than in 45C

d)

45C because molecules have less energy than in 106 C

2.

When you place the metal in boiling water, heat flows from the _________ to the _______.

a)

metal to the boiling water

b)

bottom of the metal to the top half of the metal

c)

bottom of the water to the top of the water

d)

boiling water to the metal

3.
The 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 and
a)
mass
b)
work done
c)
force
d)
pressure
4.
Which state of H2O  has the greatest entropy?
a)
Ice
b)
Water
c)
Vapor
5.
Which statement is true about the ENTROPY?
a)
Entropy refers to DISORDER, the unusable energy that escapes a system.
b)
Entropy refers to the balance of temperature among two or more systems.
c)
Entropy refers to the average kinetic energy of the molecules.
d)
Entropy refers to the inability to destroy or create energy. 
6.
As a system becomes more disordered, entropy
a)
remains the same
b)
increases
c)
decreases
d)
cannot be determined
7.
The first law of thermodynamics is a restatement of the
a)
Zeroth law of thermodynamics
b)
law of heat addition
c)
principle of entropy
d)
conservation of energy
8.

Which is an example of decreasing entropy in a closed system?

a)

Boiling water

b)

Freezing water

c)

Cells in a body coming together

d)

Ice melting

9.
Thermal energy always moves:
a)
From a high temperature object to a lower temperature object.
b)
From a lower temperature object to a higher temperature object.
c)
From an object with lower kinetic energy to an object with higher kinetic energy.
d)
From an object of higher mass to an object of lower mass.
10.
The second  law of thermodynamics states that entropy of a system  tends to ______________. 
a)
increase
b)
decrease
c)
stay constant
d)
fluctuate wildly
11.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
12.

A thermodynamic system where no exchange of heat takes place between system and surrounding is...

a)

Isothermal process

b)

Adiabatic process

c)

Isobaric process

d)

Isochoric process

13.
What does the "U" stand for the formula ∆U = Q + W
a)
Heat
b)
Temperature
c)
Work
d)
Internal energy
14.
When applying the first law of thermodynamics to a system, when is heat a positive quantity?
a)
when the system does work
b)
when the system has work done on it
c)
when the system absorbs heat
d)
when the system loses heat
15.

Heating a closed, steel container is an example of an

a)

Adiabatic process

b)

Isovolumetric process

c)

Isothermal process

d)

Isobaric process

16.

For an isovolumetric process, which of the following statements is correct?

a)

a. Work, heat, and internal energy all undergo changes.

b)

b. Work and heat balance each other, so that there is no change in internal energy.

c)

c. No energy is transferred as heat; internal energy change is due to work.

d)

d. No work is done; internal energy change is due to heat.

17.

For an isothermal process, which of the following statements is correct?

a)

a. Work, heat, and internal energy all undergo changes.

b)

d. No work is done; internal energy change is due to heat.

c)

c. Work and heat balance each other, so that there is no change in internal energy.

d)

d. No energy is transferred as heat; internal energy change is due to work.

18.

For an adiabatic process, which of the following statements is correct?

a)

a. Work, heat, and internal energy all undergo changes.

b)

b. Work and heat balance each other, so that there is no change in internal energy.

c)

c. No energy is transferred as heat; internal energy change is due to work.

d)

d. No work is done; internal energy change is due to heat.

19.
What do we call the relationship between thermal energy, heat and work?
a)
Closed System
b)
Entropy
c)
Conductors
d)
Thermodynamics
20.
In which of the following systems is entropy increasing?
a)
Putting together a puzzle
b)
Putting books on a shelf
c)
Breaking a plate
d)
Filling a jar of salt

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