This states that equal volumes of gases at the same temperature and pressure contain equal numbers of particles.
What is Avogadro's Principle?
100
A reaction that occurs when a greater amount of energy is required to break the existing bonds in the reactants than is released when new bonds form in the products.
What is an endothermic reaction?
100
Pressure decreased.
What is volume increased OR temperature decreased OR number of moles decreased?
100
A gas whose particles take up no space and do not experience interactive forces.
What is an ideal gas?
200
P1V1= P2V2
What is Boyle's Law?
200
This is the volume that 1 mole of gas occupies at STP.
What is molar volume or 22.4L?
200
The name given to the elements found in the group furthest left on the periodic table.
What are the alkali metals?
200
Volume decreased.
What is pressure increased OR temperature decreased OR number of moles decreased?
200
This is what MP/RT is equivalent to.
What is density?
300
V1/T1= V2/T2
What is Charles's Law?
300
Another way to say zero on the Kelvin scale.
What is absolute zero?
300
Atoms with the same number of protons but different numbers of neutrons.
What are isotopes?
300
Temperature increased.
What is pressure increased OR volume decreased OR number of moles increased?
300
This is used in fire extinguishers because it is heavier than air.
What is carbon dioxide?
400
P1V1/T1= P2V2/T2
What is the combined gas law?
400
Represented in the ideal gas law by R.
What is the ideal gas constant?
400
The number of molecules in a mole.
What is 6.02 x 1023?
400
Pressure and temperature decreased.
What is volume increased OR number of moles decreased?
400
The number missing in the following equation:
CH4 + 2O2 --> CO2 + __H2O
What is two?
500
P1/T1= P2/T2
What is Gay-Lussac's Law?
500
The number written in front of a reactant or product in a chemical equation.
What is a coefficient?
500
Two of the seven diatomic molecules.
What are: H, N, O, F, Cl, Br, I?
500
At constant pressure and temperature, volume increased.
What is number of moles increased?
500
These conditions cause real gases to behave much differently than ideal gases.