Chemistry unit 3: Temperature-volume relationships in gases (Charles law) – Flashcards
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Absolute zero is:
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The kowest possible temp. of a gas
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According to the Kinetic molecular theory the absolute temperature of a gas is directly related to an average molecular kinetic
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Energy
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Which variable is held constant when testing for the thermal expansion relationship of a gas?
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Pressure
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Temperature volume relationship shown in the grass in the lesson represents:
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A direct linear function
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The dashed segment of the plot it experiment in the grass in the lesson is called an
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Extrapolation
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18°C =
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291 K
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63°C =
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336 K
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283°C =
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556 K
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96 K =
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-177°C
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125 K =
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-148°C
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The temperature scale that starts with absolutely zero is the
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Kelvin scale
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Each degree on the Kelvin scale equals
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1°C
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Researchers have now been able to cool substances to absolute zero
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False
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The scientific study of the behavior near 0K is called Cryogenics
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True
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The freezing temperature of water is zero on both the K and C scales
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False
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Which temperature conversion is correct?
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C = k- 273
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According to Charles law which two variables are directly proportional?
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Volume and temperature
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The volume of a gas varies directly with the absolute temperature under the conditions of constant pressure
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True
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Real gases maybe expected to deviate from Charles law at
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High-pressure's near the liquefication temperature
