## gases and gas laws

 Gases consist of hard, spherical particles, usually ____or____.
 atoms or molecules
 GAs particles are so small that they have negligible volumes and there is _____between particles.
 large empty space
 All collisions are perfectly_____.
 elastic
 What does that mean “all collisions are perfectly elastic”?
 total kinetic energy is constant, no loss of kinetic energy in collisions
 The large empty spaces means gases are_____.
 compressible
 What are three factors that affect gas pressure?
 amount of gas, volume, temperature
 You use the kinetic theory to explain what?
 how gas responds to change of condition
 GAs pressure is a result of______.
 collisions of gas particles with the container
 Increasing the amount of gas increases the number of_____whhich increases_____.
 collisions; pressure
 Pressure is directly proportional to?
 the amount of gas
 What are the two types of fluids?
 liquids and gases
 Fluids always flow from regions of ____to _____.
 high pressure to low pressure
 Pressure is inversely proportional to____. Presure is directly proportional to _____. If volume is halved, pressure is ____. If volume is doubled pressure is _____.
 volume; gas; double; halved
 What happens as particles absorb thermal energy?
 speed and kinetic energy increase
 Doubling kelvin temperature does what to the pressure?
 doubles it
 At any tempertuare the product of pressure times volume is_____.
 a constant
 At constant pressure, the volume of a fixed mass of gas is directly proportional to it its______. What is the formula for this?
 kelvin temperature; v one over t one =  v 2 over t 2
 What is the forumula for the combined gas law?
 p(1) x v(1)/t (1) = p(2) x v(2)/t(2)
 What is the formula for the ideal gas law?
 p x v = n x r x t
 What is the difference between ideal gases and real gases?
 real gases can be liquified and ideals gases cannot
 Whenever you have equal volumes of gases at the same temperature and pressure you also have equal numbers of_____.
 particles
 _____is the process in which a gas escapes through a tiny hole in a container.
 effusion
 Do gases with lower molecular mass or hgih molecular mass effuse faster?
 lower
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