7/23/2019 Mastering Physics Reading Quiz Ch 17 (Work, Heat, and the 1st Law of Thermodynamics)

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Reading Quiz Ch 17 (Work, Heat, and the 1st Law of Thermodynamics)

Reading Question 17.05

Part A 

The thermal behavior of water is characterized by the value of its

heat density.

heat constant.

specific heat.

thermal index.

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Reading Question 17.08

Part A 

Suppose the temperature of the sun suddenly dropped to half its present value. The sun's power output

would decrease by a factor of

1/2.

1/16.

1.

1/4.

1/8.

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P  is proportional to T 4.

Reading Question 17.01

Part A 

What quantities appear in the first law of thermodynamics?

7/23/2019 Mastering Physics Reading Quiz Ch 17 (Work, Heat, and the 1st Law of Thermodynamics)

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  Force, mass, and acceleration

Inertia, torque, and angular momentum

Work, heat, and thermal energy

Work, heat, and entropy

Enthalpy, entropy, and heat

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Reading Question 17.04

Part A 

Heat is

the amount of thermal energy in an object.

the energy that moves from a hotter object to a colder object.

a fluid-like substance that flows from a hotter object to a colder object.

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Reading Question 17.07

Part A 

Two liquids, A and B, have equal masses and equal initial temperatures. Each is heated for the same

length of time over identical burners. Afterward, liquid A is hotter than liquid B. Which has the larger

specific heat?

There's not enough information to tell.

Liquid A.

Liquid B.

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Correct!

Reading Question 17.06Part A 

7/23/2019 Mastering Physics Reading Quiz Ch 17 (Work, Heat, and the 1st Law of Thermodynamics)

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The work done on the gas in this process is

 – 4000 J.

8000 J.

 – 8000 J.

4000 J.

0 J.

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W  =  –(area under  pV  curve)

Reading Question 17.02 

Part A 

What was the original unit for measuring heat?

Btu

Watt

Joule

Pascal

Calorie

7/23/2019 Mastering Physics Reading Quiz Ch 17 (Work, Heat, and the 1st Law of Thermodynamics)

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Reading Question 17.03 

Part A 

What is the name of an ideal-gas process in which no heat is transferred?

Isochoric

Isentropic

Isothermal

Isobaric

Adiabatic

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