Section 1
Exactly equivalent to 760 mm Hg
What is one atmosphere of pressure?
He stated that volume of a fixed mass of gas varies with the pressure at constant temperature
Who is Robert Boyle?
A French chemist who studied gas-volume relationships
Who is Joseph Gay-Lussac?
A Scottish chemist who studied the effusion and diffusion of gases
Who is Thomas Graham?
__ is defined as the force per unit area on a surface. (Volume/Density/Pressure)
Pressure
Th SI unit for force
What is the newton?
Recognized that for every kelvin of temperature change, the pressure of a confined gas changes by a predictable amount
Who is Joseph Gay Lussac?
Would equal volumes of hydrogen and chlorine contain the same number of molecules according to Avogadro’s Law?
Yes
When the molecules of a gas are confined in a container pass through a tiny opening in the container, it is known as ___ (Diffusion or Effusion)
Effusion
What the constant R is known as in the equation representing the ideal gas law
What is the ideal gas constant?
A device used to measure atmospheric pressure
What is a barometer?
The law that expresses the relationship between pressure, volume, and temperature of a fixed amount of gas
What is the combined gas law?
The law V = kn represents
What is Avogadro’s law?
What the velocity of a gas varies inversely with
What is the square root of its molar mass?
The pressure of each gas in a mixture (Partial Pressure/Full Pressure/Minimal Pressure)
What is partial pressure?
Creator of the law which states the pressure of a gas mixture is the sum of partial pressures of the component gases
Who is John Dalton?
The law that states that the volume of a mixed mass of gas at constant pressure varies directly with the temperature
What is Charles’s law?
The standard molar volume
What is 22.4 L?
Which moves faster at the same temperature: Lighter or heavier molecules?
Lighter molecules
Absolute zero
What is the lowest possible achievable temperature?
The symbol for unit Pascal?
What is Pa?
The energy and frequency of collisions depend on the _____ of molecules
What is kinetic energy?
The value of the ideal gas constant
What is 0.0821 L x atm/(mol x K)?
The rates of effusion and diffusion for gases depend on ___
What are the velocities of their molecules?
Known as the volume occupied by one mole of a gas at STP
What is the standard molar volume of a gas?