These are used to describe the attraction between molecules. (Name what they are, and then name all three.)
What are intermolecular forces which include London Forces, Dipole-Dipole, and hydrogen bonding?
100
The number of atoms in one mole.
What is 6.02 X 10^23 atoms?
100
The balanced equation when chromium reacts with oxygen.
What is 4Cr + 3O2 -> 2Cr2O3
100
The mass in grams of 1.25 liters of a 0.625 M solution of LiNO2.
What is 41.4 grams LiNO2?
100
He proposed that acids produce H+ ions and bases produce OH- ions.
Who is Svante Arrhenius?
200
The forces of attraction between molecules that cause a liquid surface to contract.
What is surface tension?
200
The mass of 3.00 moles of sodium.
What is 69.0 grams?
200
The balanced equation when bromine reacts with sodium iodide to produce sodium bromide and iodine..
What is Br2 + 2NaI -> 2NaBr + I2
200
The quantitative relationship among reactants and products.
What is stoichiometry?
200
Bitter is a property of this thing.
What is a base?
300
A covalent bond that has a partial separation of charge due to the unequal sharing of electrons.
What is a polar covalent bond?
(Will accept polar bond.)
300
The relationship between the number of moles of a particular element, and a mole of the compound containing that element.
What is the mole ratio?
300
The type of reaction where one compound becomes two or more elements and/or compounds.
What is a decomposition reaction?
300
The molarity of a solution made by dissolving 2.44 moles of NaCl in enough water to make 4.50 L of solution.
What is 0.542 M?
300
The conjugate base of H2SO3.
What is HSO3-
400
These are soluble in water.
What are polar molecules and ionic compounds with a 1+ charge?
400
The percent composition of boron in borazine (B3N3H6).
What is 40.28%?
400
The products that form when sodium and iron (III) bromide react.
What are three moles of sodium bromide and one mole of iron (solid)?
400
A solution that contains less than the maximum amount of solute indicated by the compound's solubility at that temperature.
What is an unsaturated solution?
400
The [H3O+] of a solution whose pH is 9.62.
What is 2.4 X 10^-10 M?
500
The molecular geometry of this diatomic molecule: H-F
What is tetrahedral?
500
The empirical formula of a 3.85g sample of megnetite, a compound made of iron and oxygen that has 2.79 grams of iron.
What is Fe3O4?
500
A chemical reaction where the cations and anions in two compounds exchange, leading to the formation of either a precipitate or a molecular compound such as water.
What is a double-replacement reaction?
500
The molarity of a solution of KCl that is prepared by diluting 855 mL of 0.475 M solution to a volume of 1.25 L.
What is 0.325 M?
500
The concentration of an HCl solution if 25.0 mL reacts with 38.5 mL of 0.145 M K3PO4.