3 results found for chemistry

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00:03:00

The making of graphene

by Joaquin Fernandez Rossier
The making of graphene
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 5 years ago | 3679 views
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Description of chemical vapour deposition to make large area graphene samples

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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 | 2103 views
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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....

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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
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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.

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