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SAT Chem

Mass The amount of matter in the sample
Matter Anything that occupies space and has mass
Volume How much room the sample takes up in space
Density A measure of the ratio of an object's mass to its volume
Pressure The force that a sample of gas in a closed container exerts on the container walls; a solid or liquid standing in an environment and the force that a gas is exerting on the walls of the environment and everything in it (including its surface)
STP 760 torr (760 mmHg) = 1 atm; 273 degrees Kelvin
Kinetic Energy The energy that an object possesses by virtue of the fact that it is moving; the faster the molecules move, the higher their kinetic energy
Barometer/Manometer Uses liquid metal mercury to determine atmospheric pressure
Calorimeter Measures energy
Heat The flow of energy from a body at a higher temperature to one at a lower temperature
Temperature Average kinetic energy
Heat Capacity Amount of heat a substance must absorb for its temperature to be raised 1 degree Celsius
Specific Heat THe heat capacity of 1 gram of a substance
q=mc(delta)T q=heat; m=mass; c=specific heat; (delta)T=difference between initial and final temperatures)
Temperature in Kelvin K= 273 + degrees Celsius
Energy Measurement 1 calorie = 4.186 joules
Created by: stellarxo


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