Ch 12 Reading Quiz

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What is the atomic mass of carbon?

14

16

12 (correct)

6

Which unit is used to measure volume in the SI system?

Grams

Liters (correct)

Kilograms

Moles

Which of the following statements about gases is true?

Gases have a fixed shape because their atomic particles are stationary.

Gases are highly compressible because their atomic particles are far apart. (correct)

Gases have a fixed volume because their atomic particles are tightly packed.

Gases are nearly incompressible because their atomic particles are in close contact.

What is the relationship between temperature and the average kinetic energy per atom in an ideal gas?

Temperature is directly proportional to the average kinetic energy per atom. Signup and view all the answers

What are the three ways heat can be transerred?

Conduction, convection, and radiation Signup and view all the answers

Which process appears as a horizontal line on a pV diagram?

Constant-pressure process Signup and view all the answers

What is another name for a constant-temperature process?

Isothermal process Signup and view all the answers

Which of the following is true about the graph of a constant-temperature process in a pV diagram?

It is a hyperbola Signup and view all the answers

Why does a sealed bag of chips expand when taken to higher elevations?

The pressure inside the bag decreases Signup and view all the answers

Which of the following represents a constant-volume process on a pV diagram?

A vertical line Signup and view all the answers

What is the equilibrium position for a piston in a constant-pressure process?

The position at which the upward force equals the downward force Signup and view all the answers

According to the ideal-gas law, which of the following statements is true?

All of the above. Signup and view all the answers

What is the value of the gas constant in the ideal-gas law?

8.31 J/mol K Signup and view all the answers

In an ideal-gas process, which of the following properties of the gas does NOT change?

The number of molecules of gas Signup and view all the answers

When is the work done by a gas positive?

When the gas expands (V > 0) Signup and view all the answers

What is the relationship between the work done by the environment and the work done by the gas?

The work done by the environment is the negative of the work done by the gas Signup and view all the answers

What is the initial volume of the gas in the example?

100 cm^3 Signup and view all the answers

Ch 12 Reading Quiz

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