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thermal physics

QuestionAnswer
boyles law the volume of the gas is inversely proportional to the pressure given that the temperature remains constant. P1 + V1 = P2 +V2
CHARLES LAW the volume occupied by a gas is directly proportional to the absolute temperature providing that the pressure of gas remains constant. V1/T1 = V2/T2
ASOLUTE TEMPERATURE temperature in kelvin = temp in Celsius + 273
GENERAL GAS LAW pV=mRT p=pressure v= volume m=mass r= universal gas constant t= temperature The gas constant R is 8.314 J / mol·K.
PRESSURE LAW for a fixed mass of gas at constant temperature, the pressure is directly proportional to the absolute temperature. P1/T1 = P2/T2
COMBINED GAS LAWS P1V1/T1 = P2V2/T2
HEAT heat is thermal energy in the process of transfer from a point of higher temperature to a point of lower temperature, due to the temperature difference between them.
SPECIFIC HEAT CAPACITY specific heat capacity of a substance is the heat need to change unit mass of a substance by unit temperature.
HEAT CAPACITY heat capacity of a body is the heat needed to change the body by unit temperature.
Heat energy formula EH= mass x specific heat capacity x change in temperature (J) MASS (Kg) SPECIFIC HEAT CAPACITY (J/Kg
latent heat latent heat is heat energy necessary to cjange the state of a body without a change in temperature.
specific latent heat of fusion the specific latent heat of fusion of a substance is the heat energ necessary to change the state of a subtance from solid to liquid without a change in temperature.
specific latent heat of fusion of ice 3.4 x 10^5 J/kg
Specific latent heat of vaporization the specific heat of vaporization of a substance is the heat energy needed to change the state of the substance from liquid to gas without changing the temperature.
specific latent heat of vaporization of water 2.3 x 10^6 J/kg
heat energy supply E=ml heat energy= mass x latent heat of fusion or vaporization heat energy is measured in joules (J)
Created by: Robbi-Ann
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