Ideal Gas
Assessment
•
Asma Oudat
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Physics
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11th Grade
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33 plays
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Hard
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10 questions
Show answers
1.
Multiple Choice
All of the following are properties of ideal gases except:
Small amounts of energy are lost during collisions between gas molecules
Volume occupied by molecules is negligible compared to the volume occupied by the gas
Gas molecules do not interact with each other except during collisions
Gas molecules do not interact with each other except during collisions
2.
Multiple Choice
How many diagrams showing relationships between pressure, volume, and temperature below is/are incorrect for ideal gases?
None
Only one
Only two
Only Three
3.
Multiple Choice
At a given temperature T and pressure P, a person's lung holds a set volume of V of air. Given that air is roughly 20% oxygen, how many moles of oxygen are in his lungs?
0.2*(PT/RV)
5*(PT/RV)
0.2*(PV/RT)
5*(PV/RT)
4.
Multiple Choice
Gases found in the environment are most likely to exhibit properties similar to that of ideal gases under conditions of:
low temperatures and high pressures
high temperatures and high pressures
high temperatures and low pressures
low temperatures and low pressures
5.
Multiple Choice
Assume an experiment vessel which is well fitted with a piston. The airtight piston has negligible mass and can move up and down freely. There is 1 mol of an ideal gas contained within the vessel under the piston at pressure of 100 kPa. The piston rests at 10 cm from the base of the vessel. The pressure in the vessel increases to 200 kPa as force is applied to the piston. What would be the new resting position of the piston from the base of the vessel? Assume the temperature is held constant at 300 K throughout the experiment.
5 cm
2 cm
1 cm
8 cm
6.
Multiple Choice
Which properties reflected in real gases does the van der Waals equation attempt to account for by modifying the ideal gas law?
I. Volume
II. Pressure
III. Temperature
II
I and II
I, II and III
I
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