CIE A Level Chemistry復習筆記1.7.6 Industrial Processes
Haber & Contact Processes Equilibrium reactions are involved in some stages of large-scale production of certain chemicals An understanding of equilibrium and Le Chatelier’s principle is theref...
CIE A Level Chemistry復習筆記1.7.5 Changes Affecting the Equilibrium Constant
Changes that Affect 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 react...
CIE A Level Chemistry復習筆記1.7.4 Equilibrium Constant Calculations
Equilibrium Constant: 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 dep...
CIE A Level Chemistry復習筆記1.7.3 Equilibrium Constant
Equilibrium Constant: Concentrations Equilibrium expression & constant The?equilibrium expression?is an expression that links the?equilibrium constant,?Kc, to the?concentrations of reactants an...
CIE A Level Chemistry復習筆記1.7.2 Le Chaterlier's Principle
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 equilib...
CIE A Level Chemistry復習筆記1.7.1 Chemical Equilibria
Reversible Reactions & Dynamic Equilibrium Reversible reaction Some reactions go to completion where the reactants are used up to form the products and the reaction stops when all of the reacta...
CIE A Level Chemistry復習筆記1.6.3 Oxidising & Reducing Agents
Oxidising & Reducing Agents Oxidising agent An oxidising agent?is a substance that?oxidises?another atom or ion by causing it to lose electrons An oxidising agent itself gets?reduced – gains el...
CIE A Level Chemistry復習筆記1.6.2 Redox Reactions
Balancing Redox Reactions Oxidation numbers can be used to balance chemical equations Roman numerals between brackets are used to show the ox. no. of an atom that can have multiple oxidation states...
CIE A Level Chemistry復習筆記1.6.1 Oxidation Number Rules
Oxidation Numbers The oxidation numbers (also known as oxidation state) is a number given to each atom or ion in a compound to keep track of how many electrons they have In a single ion or molecula...
