5 results found for chemistry

View Grid List
Sort A-Z By date
00:09:00

The History of Nitrous Oxide

by Gina Nicoloso
The History of Nitrous Oxide
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 2070 views
Rating:

A look at the interesting history of nitrous oxide

More details | Watch now
00:12:00

Carbon Sequestration

by Kyle Serniak
Carbon Sequestration
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 2718 views
Rating:

Why is carbon sequestration so important?

More details | Watch now
00:26:00

Constructing Chemical Formulas

by Colin Byfleet
Constructing Chemical Formulas
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 18538 views
Rating:

An introduction to constructing and recognising chemical formulas. Using 20 well-known elements, the valency-rules which govern the atomic ratios are explained and used with several examples.

More details | Watch now
00:33:00

Chemical Equations – and how we construct them

by Colin Byfleet
Chemical Equations – and how we construct them
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 15 years ago | 2102 views
Rating:

An introduction into the writing down of fully balanced chemical equations. The process is explained starting with word equations, finding all the relevant formulas and then working with some useful rules for finding the correct coefficients in the b....

More details | Watch now
00:37:00

Oxidation Numbers and Equations

by Colin Byfleet
Oxidation Numbers and Equations
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 15 years ago | 2696 views
Rating:

The concept of oxidation and reduction is explained and generalised using oxidation numbers with ionic and covalent examples. Several equations are balanced, using the oxidation number method to fix various atomic ratios.

More details | Watch now