Exam 5: Temperature and Heat

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​Match each item with the correct statement below. -this is how we receive heat from the Sun

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Match each item with the correct statement below. -main mechanism of heat transfer in a solid

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The warmth you feel from the Sun at the beach is an example of

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Which are bigger-Celsius degrees or Fahrenheit degrees?

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Two ways that the internal energy of a substance can be increased are __________ and __________.

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At 96°F the saturation density of air is 0.04 kg/m3.If the weather report says the relative humidity is 90% when the temperature is 96°F,the humidity is __________.

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The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass.An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water.The change in length of the ordinary glass rod will be ___________ the change in length of the Pyrex glass rod.

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A bimetallic strip is usable in a thermometer because of its heat capacity.

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Temperature is a measure of heat.

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​Match each item with the correct statement below. -main mechanism of heat transfer in a solid

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Match each item with the correct statement below. -at temperatures below their boiling point,liquids gradually go into the gas phase through a process called

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Match each item with the correct statement below. -depends on the average kinetic energy of atoms and molecules in a substance

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On the Kelvin scale the temperature is proportional to the average kinetic energy of the atoms or molecules whose temperature is being measured.

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A key is placed in a hot oven and warmed to 100°C.As a result

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​Match each item with the correct statement below. -the maximum possible humidity

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What is the maximum efficiency of a heat engine operating between 293 Kelvins and 273 Kelvins,the temperatures at the surface and several hundred meters below the surface,respectively,of the ocean?

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As the air cools at night the relative humidity usually __________.

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In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is

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The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is conducted away from it.What is the change in internal energy of the air?

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A steam turbine is an example of a heat mover.

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