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33 Cards in this Set
- Front
- Back
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Gas pressure is ____ related to volume of the gas.
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inversely
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As pressure of a gas increases, the volume of it...
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decreases (& vice versa)
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If pressure of a gas increase by a factor of 3, the volume ____ by a factor of ___.
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decreases
3 |
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As gas pressure increases while its volume is held constant, then temperature....
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increases
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Gas pressure is ____ related to temperature.
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directly
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When working with temperature in gas problems, you must always use the ____ temperature scale.
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Kelvin
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To convert from degrees C to Kelvins, you add _____ to C to get Kelvins
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273
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A change of a degree Celsius is the _____ amount as a degree Kelvin
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same
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Zero Kelvins is called ___ ____
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absolute zero
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At absolute zero, molecular motion.....
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stops
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100 degrees C is _____ K.
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373
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0 degrees C is ____ K
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273
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0 K is ____ degrees C
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-273
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100 K is _____ degrees C
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-173
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Gas volume is ____ related to its temperature.
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directly
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The amount of space a gas occupies is called its...
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volume
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The amount of force a gas pushes on a surface per unit of area is called....
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pressure
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The average speed of the molecules in a gas sample is referred to as....
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temperature
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The working equation for P & V of a gas at constant temperature is...
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P₁V₁= P₂V₂
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The working equation for Volume and Temperature ofa gas at constant pressure is...
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V₁/ T₁ = V₂ / T₂
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The working equation for pressure and temperature of a gas at constant volume is....
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P₁/ T₁ = P₂ / T₂
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A gas that willnever compress into a liquid or solid at very low temperatures is a(n) ____ gas
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ideal
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A gas that can theoretically have zero volume is a(n) ____ gas
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ideal
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When gases get cold enough and are compressed, then they can turn into ___, which is a property of a(n) ___ gas.
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liquids
real |
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101.3 kPa, 1 atm, 760 mmHg, 760 torr, 14.7 ps, 101300 Pa, 1013 millibars are all different units of ...
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Standard Atmospheric pressure
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The 6-variable combined gas law equation is ....
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P₁V₁/ T₁ = P₂ V₂/ T₂
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The ideal gas law equation is...
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PV = nRT
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In the ideal gas law, the "n" stands for ...
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number of moles of gas
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In the ideal gas law, "R" stands for...
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the universal or ideal gas constant
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There are several universal gas constants. How do you know which one to use?
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Pick the one with the same pressure unit as in the problem.
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Standard volume of 1 mole of gas is ____ L
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22.4
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Increasing the number of moles (n) of a gas in a container is the same thing as saying....
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that you are adding more molecules of the gas
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Increasing the temperature of a gas makes the particles...
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speed up
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