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the temperature of a gass is proportional to the
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the kinectic molecular theory explains the expansion of a solid material with increases of temperature as basically the result of
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science ch 5
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| Question | Answer |
|---|---|
| the temperature of a gass is proportional to the | average kenetic energy of the gas molecules |
| the kinectic molecular theory explains the expansion of a solid material with increases of temperature as basically the result of | molecules moving a little farther apart |
| two degree intervals on the celsius temperature scale are | equivalent to 3.6 farenheit degree intervals |
| a temperature reading of 2*c is | equivalent to 35.6*F |
| the temperature known as room temperature is nearest to | 20*c |
| using the absolute temperature scale, the freezing point of water is correctly written as | 273 K |
| the metric unit of heat called a calorie is | all of the above (specific heat of water, energy needed to increase the temp of 1 gram of water 1 degree celsius, equivalent to a little over 4 joules of mechanical work) |
| which of the following is a shorthand way of stating that the temperature change of a substance is directly proportional to the quantity of heat added | Q 8 delta T |
| the quantity known as specific heat is | the energy needed to increase the temp of 1 gram of a substance 1 degree celsius |
| if 1 kg of soil and 1kg of water each recieve 1 kcal of energy, ideally | the soil will be 5*c warmer than the water |
| the heat transfer that takes place by energy moving directly from molecule to molecule is called | conduction |
| the heat transfer that does not require matter is | radiation |
| styrofoam is a good insulating material because | it contains many tiny pockets of air |
| the transfer of heat that takes place because of density difference in fluids is | convection |
| when a solid, liquid, or a gas changes from one physical state to another, the change is called, | a phase change |
| latent heat is "hidden" because it | goes into or comes out of internal potential energy |
| as a solid undergoes a phase change to a liquid state, it | absorbs heat while remaining at a constant temperature |
| the condensation of water vapor actually | warms the surroundings |
| water molecules move back and forth between the liquid and the gaseous state | at all times with evaportaion, condensation, and saturation defined by the net movement |
| no water vapor is added to or removed from a sample of air that is cooling, so the relative humidity of this sample of air will | be higher |
| compared to cooler air, warm air can hold | more water vapor |
| a heat engine is designed to | convert heart into mechanicla energy |
| the work that a heat engine is able to accomplish is ideally the equivalent to the | difference in the heat supplied and the heat rejected |
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