Terms: Quantitative Chemistry

Question 1

Avogadro’s constant:

Answer 1

Avogadro’s constant: The number of particles in 12g of 12C.

Question 2

Concentration

Answer 2

Concentration: the amount of solute per unit of volume of solution

Question 3

Formula, empirical

Answer 3

Formula, empirical: The formula obtained by experiment, showing the simplest whole number ratio of atoms of each element in a particle of a substance.

Question 4

Formula, molecular:

Answer 4

Formula, molecular: The formula showing the actual number of atoms of each element in a particle of a substance.

Question 5

Formula, structural:

Answer 5

Formula, structural: Shows the arrangement of atoms and bonds within a molecule.

Question 6

Ideal gas:

Answer 6

Ideal gas: A gas for which the relationship pV = nRT holds true.

Question 7

Limiting reagent:

Answer 7

Limiting reagent: The reactant which will determine the theoretical maximum amount of product formed.

Question 8

Maxwell-Boltzmann distribution:

Answer 8

Maxwell-Boltzmann distribution: Graph showing the distribution of kinetic energies among molecules.

Question 9

Molar mass:

Answer 9

Molar mass: The mass of a mole of a substance.

Question 10

Molar volume:

Answer 10

Molar volume: At 273 K and 1 atm (STP), one mole of any gas will occupy 22.4 dm3.

Question 11

Mole

Answer 11

Mole: The amount of substance that contains a number of specified species equal to Avogadro’s constant.

Question 12

Solute

Answer 12

Solute: A substance that is dissolved into another (the solvent)

Question 13

Solvent

Answer 13

Solvent: a substance that dissolves another (the solute)

Question 14

Yield, percentage:

Answer 14

Yield, percentage: The experimental yield as a percentage of the maximum theoretical yield (experimental/theoretical*100)