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HEAT, TEMPERATURE, AND PRESSURE

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Across
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The amount of heat required to change a a substance from a liquid to a solid
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The absolute Fahrenheit scale with 0 at the point where all molecular motion stops
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The amount of heat required to raise the temperature of 1 lb of a substance 1°F
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A temperature scale where absolute 0 equals 0 or where molecular motion stops at 0. It has the same graduations per degree of change as the Celsius scale
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Heat energy absorbed or rejected when a substance is changing state and there is no change in temperature.
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The amount of energy required to change a substance to a vapour
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Heat that passes through air, heating solid objects that in turn heat the surrounding area
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Force per unit of area.
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Heat that causes a change in temperature.
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Energy that causes molecules to be in motion and to raise the temperature of a substance.
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The weight of the atmosphere’s gases pressing down on the earth. Equal to 14.696 psi at sea level and 70°F.
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Heat that causes a change in temperature.
Down
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The amount (quantity) of heat required to raise the temperature of 1 lb of water 1°F
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The word used to describe heat at lower levels of intensity
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Heat transfer from one place to another using a fluid.
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The amount of heat required to change a vapour to a liquid
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Heat transfer from one molecule to another within a substance or from one substance to another.
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The lowest obtainable temperature where molecular motion stops
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A word used to describe the level of heat or molecular activity,
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A gauge used to measure the pressure above and below the atmosphere’s standard pressure. It is a Bourdon tube sensing device and can be found on all gauge manifolds used for air-conditioning and refrigeration service work.
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An instrument used to indicate pressure
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A device used to measure atmospheric pressure that is commonly calibrated in inches or millimeters of mercury. There are two types: mercury column and aneroid.