chem vocab

Created by

Sophia Lin

Cards (23)

Volatile 
Easily vaporized or evaporated
Standard Enthalpy Change of Combustion
Enthalpy change when one mole of a compound burns in excess oxygen
Standard Enthalpy Change of Formation
The enthalpy change when one mole of a compound is formed from its standard state elements at standard conditions
Standard Enthalpy Change of Neutralisation 
The enthalpy change when one mole of water is formed by the reaction of an Acid and Alkaline under standard conditions
Standard Enthalpy Change of Solution 
The enthalpy change when one mole of a solute is dissolved in a solvent to form a solution at standard conditions
Bronsted Lowry Acid 
Proton Donor
Bronsted Lowry Base 
Proton Acceptor
Strong Acid/Base 
Fully dissociates
Weak Acid/Base 
Partially dissociates
Catalyst 
Increases the rate of reaction by lowering the activation energy, but is chemically unchanged at the end of the reaction
Homogenous Catalyst 
Catalyst in the same phase as the reactants
Heterogenous Catalyst 
Catalyst in a different phase than the reactants
Ionization Energy 
The energy required to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous ions
Relative Atomic Mass 
The weighted average mass of an atom on a scale where an Isotope of Carbon-12 has a mass of exactly 12 units
Relative Molecular Mass 
The weighted average mass of a molecule on a scale on which the Carbon-12 isotope has a mass of exactly 12 units
Relative Formula Mass 
The weighted average mass of a Formula Unit (Ionic Compound) on a scale on which the Carbon-12 isotope has a mass of exactly 12 units
Optical Isomer 
A molecule with a non-superimposable mirror image
Amphoteric 
Reacts with both an acid and a base
Chiral Center 
A carbon atom attached to four different atoms or groups of atoms
Nucleophile 
A lone pair electron donor
Electrophile 
An electron pair acceptor
Free Radical 
A species with unpaired electrons
Disproportionation 
A species that is both oxidized and reduced in a reaction