Questions from Modern Physics

Q: The pV-diagram in Fig. E19.13 shows a

The pV-diagram in Fig. E19.13 shows a process abc involving 0.450 mol of an ideal gas. Figure E19.13: (a). What was the temperature of this gas at points a, b, and c? (b). How much work was done...

Q: When water is boiled at a pressure of 2.00 atm

When water is boiled at a pressure of 2.00 atm, the heat of vaporization is 2.20 × 106 J/kg and the boiling point is 120°C. At this pressure, 1.00 kg of water has a volume of 1.00 × 10-3 m3, and 1.00...

Q: An ideal gas is taken from a to b on the pV

An ideal gas is taken from a to b on the pV-diagram shown in Fig. E19.15. During this process, 700 J of heat is added and the pressure doubles. Fig. E19.15: (a). How much work is done by or on the...

Q: Figure E19.8 shows a pV-diagram for an ideal

Figure E19.8 shows a pV-diagram for an ideal gas in which its absolute temperature at b is one-fourth of its absolute temperature at a. Figure E19.8: (a). What volume does this gas occupy at point...

Q: A gas in a cylinder expands from a volume of 0.

A gas in a cylinder expands from a volume of 0.110 m3 to 0.320 m3. Heat flows into the gas just rapidly enough to keep the pressure constant at 1.65 × 105 Pa during the expansion. The total heat added...

Q: In an experiment to simulate conditions inside an automobile engine, 0

In an experiment to simulate conditions inside an automobile engine, 0.185 mol of air at 780 K and 3.00 × 106 Pa is contained in a cylinder of volume 40.0 cm3. Then 645 J of heat is trans...

Q: Three moles of an ideal monatomic gas expands at a constant pressure

Three moles of an ideal monatomic gas expands at a constant pressure of 2.50 atm; the volume of the gas changes from 3.20 × 10-2 m3 to 4.50 × 10-2 m3. Calculate (a). the initial and final temperature...

Q: Suppose you try to cool the kitchen of your house by leaving

Suppose you try to cool the kitchen of your house by leaving the refrigerator door open. What happens? Why? Would the result be the same if you left open a picnic cooler full of ice? Explain the reaso...

Q: An experimenter adds 970 J of heat to 1.75 mol

An experimenter adds 970 J of heat to 1.75 mol of an ideal gas to heat it from 10.0°C to 25.0°C at constant pressure. The gas does +223 J of work during the expansion. (a). Calculate the change in in...

Q: Propane gas (C3H8) behaves like an ideal gas with γ

Propane gas (C3H8) behaves like an ideal gas with γ = 1.127. Determine the molar heat capacity at constant volume and the molar heat capacity at constant pressure.