AQA A Level Maths: Pure復(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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...
AQA A Level Maths: Pure復(fù)習(xí)筆記2.9.2 Stretches
Stretches 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?stretch?a...
IB DP Chemistry: HL復(fù)習(xí)筆記6.1.2 Rate of Reaction
Rate of Reaction Reaction rate Some reactions take place instantly, but most are much slower and it is possible to measure how long these reactions take to reach a certain stage As a chemical react...
IB DP Chemistry: HL復(fù)習(xí)筆記6.1.1 Collision Theory
Kinetic Theory The?kinetic theory?developed in the 18th?century out of a need to explain how it is that gases exert pressure inside a container Theories about gas particles and movement were extend...
IB DP Chemistry: HL復(fù)習(xí)筆記5.3.4 Case Study: Ozone
Case study: Ozone & Bond Strength A study of?bond enthalpy?can explain why ozone and oxygen in the atmosphere play very different roles in the flow of energy These processes have a profound eff...
IB DP Chemistry: HL復(fù)習(xí)筆記5.3.3 Energy Profiles
Energy Profiles An energy profile or energy level diagram is a diagram that shows the energies of the reactants, the?transition state(s)?and the products of the reaction with time The?transition st...
