Gases Flashcards
why does the pressure of gas increase when it is compressed?
why does a gas expand when heated?
why does a gas diffuse through a room?
provides a connection between the microscopic behavior of gas molecules and the macroscopic properties of P, V, and T
kinetic molecular theory
why do gases deviate form ideal behavior?
Van der Waals Equation
is a physical quantity that expresses hot and cold or a measure of the average kinetic energy of the atoms or molecules in the system
temperature
is a scalar quantity expressing the amount of three dimensional space enclosed by a close surface. For example, the space that a substance or 3D shape occupies or contains. Volume is often quantified numerically using the SI derived unit, the cubic metre
volume
defined as a measure of force applied over a unit area =F/A
pressure
is an instrument used to measure the pressure of a gas in closed container
manometer
is used to measure atmospheric pressure
barometer
states that the pressure of a gas is inversely proportional to its volume if the temperature and quantity of a gas are held constant
Boyle’s Law
states that the volume of gas is directly proportional to its absolute temperature under constant pressure conditions
Charles Law
States that when the temperature and pressure remain constant, the volume of a gas is directly proportional
Avogadro’s Law
states that the pressure of a gas is directly proportional to its temperature if volume is held constant
Gay-Lussac Law
the total pressure of a mixture of gases is equal to the sum of the individual partial pressure of each gas
Dalton’s law
