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What is hybridisation and how can it be used to explain the shapes of molecules?

Before we start on exploring the implications of hybridisation, we should start with a definition. Hybridisation can be thought of as the mixing atomic orbitals into new hybrid orbitals suitable that can ...

Answered by Rebecca M. • Chemistry tutor

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What is a titration?

Titrations are used to make soluble salts (remember solubility rules) from an acid and an alkali. There are no solids involved in this reaction and the solutions made are colourless so there is no way of ...

Answered by Beatrix H. • Chemistry tutor

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What is the difference between a heterogeneous catalyst and a homogeneous catalyst?

Homogeneous catalyst - catalyst is in the same phase as the reactants. Heterogeneous catalyst - catalyst is in a different phase as the reactants. What ...

Answered by Katie W. • Chemistry tutor

6172 Views

Compare the advantages and disadvantages of using bioethanol over fossil fuels.

Bioethanol is a renewable fuel produced from plants, which photosynthesise to grow, taking in carbon dioxide and producing oxygen. This means there is no net increase in carbon dioxide, which is a greenho...

Answered by Michael I. • Chemistry tutor

3758 Views