| Question | Answer |
| Heat | Energy that flows from warm to cold until the temperatures of a system and its surroundings are equal |
| Endothermic | Heat is supplied / Energy enters the system |
| Exothermic | Gives off heat / Energy leaves the system |
| Equilibrium Constant | The ratio of product concentration to reactant concentration with each concentration raised to a power given by the coefficient of that substance in the balanced equation |
| Reaction Rate | The number of particles that react in a given time to form products |
| Collision Theory | Particles can form a chemical bond when they collide provided they have enough kinetic energy and collide at the proper angle |
| Le Chatelier's Principle | If stress is applied to a system in equilibrium, the system changes to partially relieve the stress |
| Activation Energy | Minimum energy colliding partices must have in order to react |
| Chemical Equilibrium | When the forward and reverse reactions occur at the same rate |
| Catalyst | A substance that increases the rate of a reaction without being used up itself in the reaction |
| Activated Complex | The arrangement of atoms at the peak of the activation energy barrier |
| Entropy | The measure of disorder or chaos |
| Inhibitor | A substance that interferes with a catalyst |
| Reducing Agent | A substance that loses (donates) electrons |
| Spectator Ion | Ion that is present, but does not participate in an oxidation-reduction reaction |
| Reduction | Loss of oxygen or gain of electrons by a substance |
| Pure Element | Oxidation number is always zero |
| Oxidation Number | Integer related to the number of electrons under an atom's control |
| Aqueous Solution | Homogenous mixture of water and dissolved substances |
| Supersaturated Solution | Solution containing more solute than it can theoretically dissolve at a given temperature |
| Solute | Substance that is dissolved in another |
| Molarity | Number of moles dissolved in 1L of a solution |
| Immisible | Describes liquids that are insoluble in one another |
| Electrolyte | Compound that will conduct electrical current in a liquid or aqueous state |
| Bronsted-Lowry Base | Hydrogen ion acceptor |
| Amphoteric | Able to act as an acid or a base |
| Standard Solution | Solution of Known Volume and Concentration |
| Strong Acid | Ionizes Completely in Water |
| pOH | Negative Logarithm of Hydroxide Ion |
| Neutral Solution | Hydrogen Ion Concentration is 10^-7M |
| Hydronium Ion | H3O+ |
31 cards - created may 27, 6:45am