thumb_up

Free information requests

Compare and discuss with your colleagues.

454 Algebra Training Courses (Page 14)

check_box_outline_blank

Chemistry: Electron configuration for d block element

Logo Khan Academy

Goes through example of Fe, and discusses relative reactivity and energy of 4s and 3d electrons. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and r…

check_box_outline_blank

Mathematics As Level Course

Logo Distance Learning Centre

The Pure Mathematics AS Level Course is designed to help a students understanding of mathematics and mathematical processes in a way that p…

check_box_outline_blank

Physics: Einstein velocity addition formula derivation

Logo Khan Academy

Einstein velocity addition formula derivation Physics Learn about the basic principles that govern the physical world around us. Solid unde…

check_box_outline_blank

Chemistry: Spontaneity and redox reactions

Logo Khan Academy

Using standard cell potential to predict whether a redox reaction will be spontaneous under standard conditions. Chemistry Did you know tha…

check_box_outline_blank

Chemistry: Ka and acid strength

Logo Khan Academy

How to write an equilibrium expression for an acid-base reaction and how to evaluate the strength of an acid using Ka Chemistry Did you kno…

check_box_outline_blank

Chemistry: Comparing Q vs K example

Logo Khan Academy

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Chemistry Did y…

check_box_outline_blank

Chemistry: Half-life of a second-order reaction

Logo Khan Academy

Deriving half-life equation of a second-order reaction starting from the integrated rate law. Chemistry Did you know that everything is mad…

check_box_outline_blank

Physics: Compass build (stroke direction)

Logo Khan Academy

Does the direction which we stroke the needle determine the final orientation? Physics Learn about the basic principles that govern the phy…

check_box_outline_blank

Physics: Visualizing multiple Newtonian path–time diagrams

Logo Khan Academy

Now that we know what path–time diagrams are, let's see what happens when we bring along a friend! Physics Learn about the basic principles…

check_box_outline_blank

Chemistry: Galvanic cells and changes in free energy

Logo Khan Academy

Relationship between Gibbs free energy, reaction quotient Q, and cell voltage. Chemistry Did you know that everything is made out of chemic…

check_box_outline_blank

Chemistry: Atomic radius trends on periodic table

Logo Khan Academy

How atomic radius is defined, and trends across a period and down a group. Chemistry Did you know that everything is made out of chemicals?…

check_box_outline_blank

Chemistry: Titration calculation example

Logo Khan Academy

Example of titrating strong acid, hydrochloric acid, with strong base barium hydroxide. How to calculate the unknown concentration when you don't have a 1:1 molar ratio of H+ to OH-. Chemistry Did you know that everything is made …

check_box_outline_blank

Chemistry: Oxidation and reduction

Logo Khan Academy

Introducing oxidation states, oxidation, and reduction. Some tips for remembering oxidation and reduction. Chemistry Did you know that ever…

check_box_outline_blank

Chemistry: Shorthand notation for galvanic/voltaic cells

Logo Khan Academy

How to describe cell using shorthand notation. Chemistry Did you know that everything is made out of chemicals? Chemistry is the study of m…

check_box_outline_blank

Physics: Discovery of magnetic fields

Logo Khan Academy

Magnetic materials seem to have two sides (we could call them poles). Depending on orientation they can be attractive or repulsive. What is…