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20 Cards in this Set
- Front
- Back
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According to the kinetic energy theory, gas particles are in constant _______
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random motion
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Gas particles collide with one another and walls of their container, but do not lose ________
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kinetic energy
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The distance between gas particles is very _____ compared to the distance between the liquid or solid state
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large
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In general, this causes the strength of interpartical attractions to be very _____
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small
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A gas that conforms to most assumptions of the kinetic energy theor is called ______ gas
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ideal gas
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A gas that does not conform to most assumptions of the kinetic energy law is a ______ gas
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real gas
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Ideal or Real gas:
Individual gas particles have a measureable volume |
real
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Ideal or Real gas:
The gas will not condense even when compressed or cooled |
ideal
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Ideal or Real gas:
Gas particles passing close to one another exert an attraction on each other |
real
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Temperature is a measure of the average ________ _______ of the molecules in a sample of gas
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kinetic energy
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If 2 gases are at the same temperature, the gas with greater mass must have a ______ velocity
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slower
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Pressure I,D,R: the number of particles increases while volume and temperature are held constant
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increase
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Pressure I,D,R: a fixed amount of gas is cooled while volume is held constant
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decrease
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Pressure I,D,R: the volume of a container holding 1 mol of nitrogen gas is reduced at constant temperature
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increase
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Pressure I,D,R: a mixture of gases in a 1 L container at 2 atm expands to 2 L
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decrease
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Pressure I,D,R: a container with 1 mol of nitrogen is evacuated and replaced with 1 mol of oxygen at the same temperature
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remains the same
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Standard temperature is _____
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o degrees Celcius
273 K |
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Standard pressure is ______
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1 atm
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1 mole of any gas at these conditions will have a volume of _____
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22.4 L
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Explain the difference between effusion and diffusion.
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Effusion is the escape of gas particles through the small openings in a porous container
Diffusion is the spontaneous mixing of gases because of random motion of gas particles |
