Все публикации

0:02:46

How to explain how a catalyst works

0:03:05

How to explain how temperature, pressure and concentration affect the rate of a chemical reaction

0:02:32

What are the advantages of the different ways of making ethanol?

0:04:39

How do temperature and pressure affect a reversible reaction?

0:05:21

How to do a titration

0:04:03

How to read a burette

0:07:00

How to work out what ions there are in a compound (using chemical tests and flame tests)

0:04:59

How to calculate the water of crystalisation by titration

0:03:33

How to calculate the the concentration of bleach

0:03:50

How to calculate that percent of Cu in bronze or brass

0:03:09

How to calculate the percentage purity of an iron tablet

0:07:31

How to make a salt

0:06:13

How to tell if a compound is soluble

0:02:34

How to name alkenes

0:01:41

How to name straight chain alkanes

0:03:01

How to name esters

0:02:13

How to predict how alcohols are oxidised (GCSE)

0:02:45

How to work out the limiting reagent in a reaction

0:04:01

How to describe the difference between shells, sub shells and suborbitals

0:04:04

How to calculate the order of a reaction and the rate constant

0:03:47

How to use a Born Haber cycle to calculate lattice enthalpy

0:03:26

How to use the Gibbs reaction to calculate the temperature at which a reaction is feasible

0:04:24

How to use the Arrenhius equation to calculate A and Ea for a reaction

0:01:16

How to convert [H+] into pH and vice versa