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CHM 1101
| Question | Answer |
|---|---|
| Solute | what is being dissolved |
| Solvent | what is doing the dissolving |
| Solution | solute + solvent |
| Solubility | amount of solute a solution can dissolve |
| What is the equation for Molarity? | moles solute/volume of solution |
| What is the equation for Mass Percent? | mass of solute/mass of solution x 100 |
| What is the equation for Dilutions? | C1V1 = C2V2 |
| What is the specific heat of water? | 4.184 J/g C |
| Exothermic | process or reaction in which the surroundings absorb energy from the system |
| Endothermic | process or reaction in which the system absorbs energy from the surroundings |
| An electron is QUANTIZED which means: | it has a certain distance is must remain from the nucleus |
| As wavelength decreases, energy... | increases |
| As wavelength increases, energy... | decreases |
| Constructive Interference | two waves, that are in sync with one another, will collide and reinforce each other |
| Destructive Interference | two waves, that are NOT in sync with one another, will collide and cancel out |
| What is the equation for specific heat? | q = sm(delta)T |
| What is the basic idea behind wave-particle duality? | all matter exhibits both wave and particle properties |
| What is electronegativity? | the strength of the pull of atoms |
| What does VSEPR stand for? | Valence Shell Electron Pair Repulsion |
| Explain the VSEPR theory. | Everything in a molecule bends away from an unshared pair of electrons |
| Which elements are allowed to break the octet rule? | Any elements in or below the 3rd row on the periodic table, as well as Boron. |
| What are the three intermolecular forces, from weakest to strongest? | London, Dipole-Dipole, Hydrogen Bonding |
| What are the two basic rules for Hydrogen Bonding to occur? | A Hydrogen molecule must be present. The other molecule must be Oxygen, Nitrogen, or Fluoride. |
| What is the hydronium ion? | H3O |
| Amphoteric | substances that can be an acid or a base, depending on what it's reacting with |
| Conjugate Acid | base after doing its job |
| Conjugate Base | acid after doing its job |
| Acid + Base = | Salt + Water |
| Acid + Metal Carbonate = | Salt + Water + CO2 |
| Acid + Metal Bicarbonate = | Salt + Water + CO2 |
| Buffer | protects the pH of a solution |
| Equilibrium | the condition where both reactions occur at the same rate |
| Dynamic Equilibrium | concentrations remain constant but the individual atoms can switch places |
| What is the Collision Theory? | explanation as to why reactions occur |
| What are the 3 principles of the Collision Theory? | 1. molecules/atoms are in constant motion and will interact with one another (collide) 2. molecules/atoms must posses a certain minimum energy (activation energy) 3. molecules/atoms must have proper orientation |
| What is Le Chatelier's Principle? | disturbing a reaction at equilibrium will force it to alter itself to compensate for that disturbance |
Created by:
stoniertk28
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