IB DP Chemistry: HL复习笔记7.1.2 The Equilibrium Law
The Equilibrium Constant Equilibrium expression & constant The equilibrium expression is an expression that links the equilibrium constant, Kc, to the concentrations of reactants and products a...
IB DP Chemistry: HL复习笔记7.1.1 The State of Equilibrium
The State of 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 reactants are used up In rev...
IB DP Chemistry: HL复习笔记6.1.8 Energy Profiles & Catalysis
Energy Profiles & Catalysis Catalysis is the process in which the rate of a chemical reaction is increased, by adding a substance called a catalyst A catalyst increases the rate of a reaction b...
IB DP Chemistry: HL复习笔记6.1.7 Maxwell-Boltzmann Curves
Maxwell-Boltzmann Curves Boltzmann distribution curve The Boltzmann distribution curve is a graph that shows the distribution of energies at a certain temperature In a sample of a substance, a few ...
IB DP Chemistry: HL复习笔记6.1.6 Explaining Rates
Explaining Rates Concentration The more concentrated a solution is, the greater the number of particles in a given volume of solvent An increase in concentration causes in an increased collision fr...
AQA A Level Maths: Pure复习笔记3.1.2 Parallel & Perpendicular Gradients
Parallel & Perpendicular Gradients What are parallel lines? Parallel lines are equidistant meaning they never meet Parallel lines have equal gradients What are perpendicular lines? Perpendicula...
AQA A Level Maths: Pure复习笔记3.1.1 Basic Coordinate Geometry
Basic Coordinate Geometry What is basic coordinate geometry? Basic coordinate geometry refers to working with points, lines and shapes on the coordinate axis Cartesian coordinates are simply the x ...
IB DP Chemistry: HL复习笔记6.1.5 Rate Experiments
Rate Experiments During a reaction, the reactants are used up and changed into the products This means that as the reaction proceeds, the concentration of the reactants is decreasing and the concen...
AQA A Level Maths: Pure复习笔记2.13.1 Further Modelling with Functions
Further Modelling with Functions Assumptions, criticisms and refinements in modelling Modelling is a large part of A level mathematics Assumptions and refinements to models often need to be conside...
