Term
|
Definition
| covalent bond where electrons are shared unequally setting up a positive and negative side of the molecule |
|
|
Term
|
Definition
| attraction of like (usually polar) substances to each other |
|
|
Term
|
Definition
| attraction of unlike substances to each other |
|
|
Term
|
Definition
| measure of how difficult it is to stretch or break the surface of a liquid |
|
|
Term
|
Definition
|
|
Term
|
Definition
| measure of the total amount of kinetic energy due to the molecule motion of a substance |
|
|
Term
|
Definition
| average kinetic energy of all the molecules in a substance |
|
|
Term
|
Definition
| amount of heat energy it takes to raise the temperature of 1 g of water by 1 degree Celsius |
|
|
Term
|
Definition
| amount of heat required to raise the temperature of 1 kg of water by 1 degree Celsius |
|
|
Term
|
Definition
unit of energy
1 J = 0.239 cal
1 cal = 4.184 J |
|
|
Term
|
Definition
| amount of heat required to raise the temperature of a substance by 1 degree Celsius |
|
|
Term
|
Definition
| quantity of heat a liquid must absorb for 1 g of it to be converted form the liquid to the gaseous state (water = 580 cal) |
|
|
Term
|
Definition
| as a liquid evaporates, the surface of the liquid that remains behind cools down |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| substance being dissolved |
|
|
Term
|
Definition
| solution in which water is the solvent |
|
|
Term
|
Definition
| any substance that has an affinity for water (polar or ionic) |
|
|
Term
|
Definition
| water hating (nonpolar substances) |
|
|
Term
|
Definition
| equal in weight to the molecular mass of a substance or to avogadro's number (6.02 x 10 23) |
|
|
Term
|
Definition
| sum of the masses of all the atoms in a molecule |
|
|
Term
|
Definition
| number of moles of solute per liter of solution |
|
|
Term
|
Definition
| ion that measures the acidity of a solution |
|
|
Term
|
Definition
| ion that measures the alkalinity of a solution (basic) |
|
|
Term
|
Definition
| substance that donates H+ ions in solution |
|
|
Term
|
Definition
| proton (H+ ion) acceptor; reduces the H+ ion concentration in solution |
|
|
Term
|
Definition
| 0-14 with 1-6.9 being acidic; 7 = neutral; 7.1-14 being basic |
|
|
Term
|
Definition
| substances that resist changes in pH |
|
|
Term
|
Definition
| rain, snow, or fog with a pH less than 5.6 |
|
|
