CHAPTER 9

Question 1

Which one of the following would be appropriate units of measurement for pressure?

M3/N

N/m3

m2/N

N/m2

Answer 1

N/m2

Question 2

For a gas at fixed pressure, doubling the temperature (K) will:

halve the volume.

double the pressure.

double the volume.

double the number of molecules.

Answer 2

double the volume.

Question 3

For a gas at fixed volume, doubling the temperature (K) will:

double the number of molecules.

double the volume.

double the pressure.

halve the volume.

Answer 3

double the pressure.

Question 4

For a gas at fixed temperature, doubling the volume will:

double the number of molecules.

double the pressure.

halve the pressure.

double the temperature.

Answer 4

halve the pressure.