Trend: First Ionisation Energy The?first ionisation energy (IE1)?is the energy required to?remove?one mole of electrons from one mole of atoms of an element in the?gaseous state?to form one ...
Trend: Atomic Radius Elements in the periodic table are arranged in order of increasing atomic number and placed in vertical columns (groups) and horizontal rows (periods) The elements acros...
Balancing Redox Reactions Balancing equations using redox principles is a useful skill and is best illustrated by following an example It is important to follow a methodical step-by-step app...
Oxidation States Oxidation State Rules A few simple rules help guide you through the process of determining the oxidation state of any element Remember, you are determining the oxidation sta...
Changes Affecting the Equilibrium Constant Changes in concentration If all other conditions stay the same, the equilibrium constant?Kc?is?not affected?by any changes in concentration of the ...
Kc Calculations Calculations involving?Kc In the equilibrium expression each figure within a square bracket represents the concentration in?mol dm-3 The?units?of?Kc?therefore depend on the f...
The Equilibrium Constant, Kc Equilibrium expression & constant The?equilibrium expression?links the?equilibrium constant,?Kc, to the?concentrations of reactants and products?at equilibri...
Le Chatelier's Principle Position of the equilibrium The?position of the equilibrium?refers to the relative amounts of products and reactants in an equilibrium mixture When the position of e...
Maxwell-Boltzmann Distribution Curve - Catalyst Catalysis?is the process in which the rate of a chemical reaction is increased, by adding a?catalyst A catalyst increases the rate of a reacti...
Concentration, Pressure & Rate of Reaction Concentration The more?concentrated?a solution is, the?greater?the number of?particles?in a given volume of solvent An increase in?concentratio...
Temperature & Rate of Reaction Temperature & Rate of Reaction Increasing the temperature of the reaction mixture increases the?rate of reaction?in the following two ways: At higher t...
Maxwell-Boltzmann Distribution Curve - Temperature Maxwell-Boltzmann distribution curve A?Maxwell-Boltzmann distribution curve?is a graph that shows the distribution of?energies?at a certain...
