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Chem Heat and Gas Laws

Terms in this set (37)

Heat
Is the total energy that can be transferred from one sunstance to another
Temperature
The average kinetic energy of the particles that make up an objects
Exothermic Reaction
Any reaction that gives off heat
Endothermic Reaction
Any Reaction that absorbs heat
Heat capacity
The amount of heat necessary to raise an objects temperature by 1K
Specific Heat
The Heat capacity of one gram of any substance
Kinetic Molecular Theory
Is the modern theory science uses to explain the physical properties of matter
Brownian Movement
Is the constant random motion of the particles of matter
Cohesion
Is the mutual attraction between the particles of matter
Van Der Waal's Forces
Are the forces which cause coehesion
Pressure
Is the force exerted per area
Atmospheric Pressure
The pressure exerted by earths atmosphere
Barometer
A device used to measure atmospheric pressure
Boyle's Law
At a constant temperature, pressure and volume are inversely proportional
Charles' Law
At a constant pressure, temperature and volume are directly proportional
Gay-Lussack Law
At a constant volume, pressure and temperature are directly proportional
Avagadro's Law
If two samples of gas have the same pressures, temperatures, and volumes then they all contain the same number of particles
Dalton's Law of Partial Pressure
The total pressure of mixtures of gasses is the sum of the partial pressures of the individual gasses
Diffusion
Is the ability of gasses to rapidly mix together
Effusion
When gas molecules escape microscopic openings a molecule at a time
Joule
The SI unit for heat
Kelvin
In all gas Law problems temperature must be measured in ____
Specific heat
What has units of J/gC
Lost heat
A Heat of -14,000 J means the object ____ heat
Solid
According to KMT the particles are held most closely in a ____
Elastic
According to KMT collisions between particles are______
Pressure
According to KMT temperature is proportional to _____
Gases
Van Der Waal's forces are zero in ____
Aneroid
The common dial type barometers that people have in their homes are called ______ barometers
Sublimation
Solid to gas
Resublimation
Gas to solid
Vaporization
Liquid to gas
Condensation
Gas to liquid
Freezing
Liquid to solid
Melting
Solid to liquid
Pressure
The ideal gas Law doesn't work in high ____
Temperature
The ideal gas law doesn't work in low _____
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