Chapter 16
The pressure in a system is measured to be 60 kPa. At a
later time the pressure is 40 kPa. The value of ∆p is
1. –40 kPa.
2. –20 kPa.
3. 0 kPa.
4. 20 kPa.
5. 40 kPa.
The pressure in a system is measured to be 60 kPa. At a
later time the pressure is 40 kPa. The value of ∆p is
1. –40 kPa.
2. –20 kPa.
3. 0 kPa.
4. 20 kPa.
5. 40 kPa.
Which system contains more atoms:
5 mol of helium (A = 4) or 1 mol of neon (A = 20)?
1. Helium.
2. Neon.
3. They have the same number of atoms.
Which system contains more atoms:
5 mol of helium (A = 4) or 1 mol of neon (A = 20)?
1. Helium.
2. Neon.
3. They have the same number of atoms.
The temperature of a glass of water increases from
20°C to 30°C. What is ∆T?
1. 303 K
2. 293 K
3. 283 K
4. 10 K
The temperature of a glass of water increases from
20°C to 30°C. What is ∆T?
1. 303 K
2. 293 K
3. 283 K
4. 10 K
For which is there a sublimation temperature that is
higher than a melting temperature?
1. Carbon dioxide
2. Water
3. Both
4. Neither
For which is there a sublimation temperature that is
higher than a melting temperature?
1. Carbon dioxide
2. Water
3. Both
4. Neither
You have two containers of equal volume. One is
full of helium gas. The other holds an equal mass of
nitrogen gas. Both gases have the same pressure.
How does the temperature of the helium compare to
the temperature of the nitrogen?
1. Thelium < Tnitrogen
2. Thelium = Tnitrogen
3. Thelium > Tnitrogen
You have two containers of equal volume. One is
full of helium gas. The other holds an equal mass of
nitrogen gas. Both gases have the same pressure.
How does the temperature of the helium compare to
the temperature of the nitrogen?
1. Thelium < Tnitrogen
2. Thelium = Tnitrogen
3. Thelium > Tnitrogen
What is the ratio Tf /Ti
for this process?
1. 4
2. 2
3. 1 (no change)
4.
5.
What is the ratio Tf /Ti
for this process?
1. 4
2. 2
3. 1 (no change)
4.
5.
Chapter 16
Reading Quiz
What is the SI unit of pressure?
1.
2.
3.
4.
5.
The Nm2 (Newton-meter-squared)
The atmosphere
The p.s.i.
The Pascal
The Archimedes
What is the SI unit of pressure?
1.
2.
3.
4.
5.
The Nm2 (Newton-meter-squared)
The atmosphere
The p.s.i.
The Pascal
The Archimedes
The ideal gas model is valid if
1. the gas density is low.
2. the gas density is high.
3. the temperature is low.
4. the gas pressure is large.
5. none of the above
The ideal gas model is valid if
1. the gas density is low.
2. the gas density is high.
3. the temperature is low.
4. the gas pressure is large.
5. none of the above
An ideal-gas process in which the volume doesn’t
change is called
1. isobaric.
2. isothermal.
3. isochoric.
4. isentropic.
An ideal-gas process in which the volume doesn’t
change is called
1. isobaric.
2. isothermal.
3. isochoric.
4. isentropic.