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Gas Laws

QuestionAnswer
At a constant temperature the volume of a gas is inversely proportional to the pressure Boyles Law
At a constant Pressure and amount of moles, the volume of a gas sample is directly proportional to the temperature in Kelvin Charles Law
Equal volumes of gas, at the same temp and pressure, contain the same number of particles or molecules Avogadro's Hypothesis
The state of an amount of gas is determined by its pressure, volume, and temperature thus PV = nRT P= pressure, V= volume, n= number of moles, R= is the gas constant, T= temperature in kelvins Ideal gas law
Idea gas law is favored at _______ temperatures and _______ pressures high and low
This law states that the total pressure exerted by gaseous mixture is equaled to the sum of the partial pressures of each individual component in a gas mixture Dalton's Law also called Dalton Law of partial pressures
Boyle's Law equation P1V1=P2V2 (n and T constant)
Charle's Law equation V1/T1=V2/T2 (n and P constant)
Avogadro's Law equation V1/n1=V2n2 (P and T constant)
How does the kinetic theory model explain the properties of gases? In gases, particles are spaced out and move around quickly, and so gases are compressible and expand to fill a container
What is the temperature of a gas in terms of motion of particles? The temperature of a gas is a measure of the average kinetic energy of the particles in the gas
How does the Kinetic theory explain collisions between gas particles? No energy is lost from the collision but it can be transferred from particle to particle
What is the behavior of a gas in terms of motion of particles? Gas particles move rapidly in random, straight-line motion until they collide with the sides of a container or eachother
How do gases relate to the volume they occupy? The actual volume of all the particles present in a sample of gas is much less than the total volume they occupy
What Kinetic Theory assumption is made about the attractions between gas particles? There are no attractive or repulsive forces between particles in a gas sample
Combined Laws equation P1V1/n1T1 = P2V2/n2T2
Ideal Gas Law PV=nRT
Definition of STP At atmospheric pressure, the volume of 1 mole of gas at 0 degrees Celsius is 22.4L
Definition of SLC At atmospheric pressure, the volume of 1 mole of gas at 25 degrees Celsius is 24.5L
Equation for total pressure of a mixture of gases P(total) = n(total)RT/V
According to the Ideal Gas Law how does the number of moles relate to the pressure of that gas? The number of moles is directly proportional to the pressure of the gas
How do Ideal Gases and Real Gases differentiate from each other? Ideal Gases are assumed to have no attractions between particles, whereas Real Gases have attractions due to van der Waals forces.
What is the mole fraction? The mole fraction is defined by the moles of a component divided by the total moles present
True or False, Water vapor is H2O in gaseous form and its pressure is taken into consideration when performing calculations True
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