IB DP Chemistry: HL復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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...
AQA A Level Maths: Pure復習筆記2.12.1 Modelling with Functions
Modelling with Functions What is a mathematical model? A?mathematical?model?simplifies a real-world situation so it can be described using mathematics which can then be used to make predictions The...
IB DP Chemistry: HL復習筆記6.1.4 Activation Energy
Activation Energy For a reaction to take place, the reactant particles need to overcome a minimum amount of energy This energy is called the?activation energy (Ea) In?exothermic reactions?the react...
AQA A Level Maths: Pure復習筆記2.11.2 Squared Linear Denominators
Squared Linear Denominators Partial fractions In partial fractions the common denominator is split into parts (factors) This is the reverse process to?adding?(or subtracting) fraction...
AQA A Level Maths: Pure復習筆記2.11.1 Linear Denominators
Linear Denominators What are partial fractions? This is the reverse process to?adding?(or subtracting) fractions When adding fractions a common denominator is required In partial frac...
IB DP Chemistry: HL復習筆記6.1.3 Measuring Rates
Measuring Rates To measure the?rate of a reaction, we need to be able to measure either how quickly the reactants are used up or how quickly the products are formed The method used for measuring de...
AQA A Level Maths: Pure復習筆記2.10.1 Combinations of Transformations
Combinations of Transformations What are combinations of graph transformations? When you alter a function in certain ways, the effects on the graph of the function can be described by geomet...
AQA A Level Maths: Pure復習筆記2.9.3 Reflections
Reflections What are graph transformations? When you alter a function in certain ways, the effects on the graph of the function can be described by geometrical transformations With a?reflect...
