Reactions
Stoichiometry
Gases
Solutions
Acids and Bases
100
Represents the number of molecules of reactants or products in a chemical equation.
What are coefficients?
100
To convert moles of one substance to moles of another, you use this.
What is mole ratio?
100
The formation of a gas resulting from the escape of high-energy particles from the surface of a liquid is known as _____.
What is evaporation?
100
The solid that comes out of a solution.
What is a precipitate?
100
It dissolves in water to form OH- ions.
What is a base?
200
The type of reaction if chlorine replaces the anion in a reacting compound.
What is a single replacement reaction?
200
The rhyme used to find empirical formula.
What is percent to mass, mass to moles, divide by small, multiply 'till whole?
200
At STP, which is _______and ______, one mole of gas has this volume.
What is zero degrees Celcius, one atomosphere, 22.4 L?
200
A solution with a low concentration of solute.
What is a dilute solution?
200
A solution with a pH of 9.3 which has partially dissociated.
What is a weak base?
300
When balancing a chemical equation, these can never be changed.
What are subscripts?
300
This determines the theoretical yield and is completely used up in a chemical reaction.
What is limiting reagent?
300
When temperature increases, pressure does this at constant volume and amount.
What is increases?
300
This is not changed when a solution is diluted.
What is moles of solute?
300
A mixture made of a weak acid and its conjugate base or a weak base and its conjugate acid.
What is a buffer?
400
Cations in the reacting compounds switch places.
What is a double replacement reaction?
400
The molar mass of aluminum sulfate.
What is 342.14 g/mol?
400
If barometric pressure is 1 atm and water vapor pressure at 20 degrees Celsius is 18 mmHg, the pressure of oxygen gas when it is collected over water.
What is 742 mmHg?
400
The meaning of "like dissolves like."
What is polar solvents dissolve polar solutes and nonpolar solvents dissolve nonpolar solutes?
400
What is the conjugate acid of HSO3- and what is the acid's name?
What is H2SO3 and sulfurous acid?
500
The balanced equation when magnesium hydroxide reacts with phophoric acid to form magnesium phosphate and water.
What is 3 Mg(OH)2 + 2 H3PO4 > Mg3(PO4)2 + 6 H2O?
500
When hydrogen gas combines with nitrogen gas to form ammonia, what is the conversion factor to change 7 moles of hydrogen to moles of ammonia?
What is 2 moles of NH3 / 3 moles of H2
500
If temperature is cut in half and pressure is doubled, the volume of a balloon will do this.
What is decrease to 1/4 its original volume?
500
These factors will decrease the solubility of a gas in a liquid.
What are decreased pressure above the liquid, increased temperature, and agitation.
500
The pH of a solution with a hydroxide ion concentration of 4.5 x 10 -10
What is 4.65?
M
e
n
u