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Honors Chemistry Gas Laws Review

Key Concepts:

Terms in this set (33)

Charles' Law
Who's law is this?
Gay-Lussac's Law
Who's law is this?
Boyle's Law
Who's law is this?
Combined Gas Law
What law is this?
Ideal Gas Law
What law is this?
Dalton's Law of Partial Pressures
What law is this?
Boyle's Law
Who's law would this graph apply to?
Charles' Law
Who's law would this graph apply to?
Gay-Lussac's Law
Who's law would this graph apply to?
Partial Pressure
The pressure independently exerted by a single gas when that gas is in a mixture of two or more gases.
Dalton's Law of Partial Pressures
The total pressure of a mixture of gases is equal to the sum of all the pressures of all of the gases in the mixture.
When the temperature is in celsius. If its in celsius, add 273. Check to make sure if its already in Kelvin so you won't have to add 273 to your Kelvin temperature.
When should you convert your given temperature?
Kilopascals
What is the SI unit for pressure?
760 mm Hg
How many mm of Hg are equal to 101.3 kPa's and 1 atm?
101.3 kPa
How many kilopascals are equal to 760 mm Hg and 1 atm?
1 atm
How many atmospheres are equal to 760 mm Hg and 101.3 kPa's?
Ideal Gas
Gas whose particles:
Have no volume
Have no IMF's
Move in straight line paths
Are in constant random motion
Collide perfectly elastically (think pool balls w/o noise)
No
Is there such thing as an ideal gas?
We use it as a model for behavior.
Why do we use an ideal gas?
When a gas is at high temperature, and low pressure, it behaves like an ideal gas.
When does a gas behave like an ideal gas?
Avagadro's Principle
Equal volumes of gases at the same temperature and pressure contain equal number of particles.
Molar Gas
the volume = 22.4 L = the volume of any gas at STP
22.4 L
How many liters are in one mole of gas at STP?
Find the gram molar mass.
How do you find out how many grams of a substance are equal to one mole of it?
Boyle's Law
For a given mass of a gas at constant temperature, volume varies inversely with pressure.
Decrease
In Boyle's law as pressure increases, volume will ___.
Charles' Law
For a given mass of a gas at constant pressure, volume varies directly with KELVIN temperature.
Charles' Law and Gay-Lussac's Law
What two laws have a direct relationship with their two variables?
Gay-Lussac's Law
This law states that if the volume of a container is held constant as the temperature of a gas increases, the pressure inside the container will also increase.
Combined Gas Law
This law states that the product of the volume and pressure of an ideal gas divided by its temperature is constant
Boyle's Law
What law has an inverse relationship between the two variables?
Increases
In Charles' Law, if volume increases, the temperature ___.
Increases
In Gay-Lussac's Law, if pressure increases, the volume __.
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