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Chemistry
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What is the VSEPR theory?

(The answer really depends on the level of the student, hence more or less explanation might be needed.)The VSEPR (Valence Shell Electron Pair Repulsion) theory is used within chemistry to predict the geo...

AK
Answered by Alena K. Chemistry tutor
2953 Views

How can you test for aldehydes and ketones?

Aldehydes can be differentiated from ketones as they give a positive result for the following tests -Tollens' reagent turns from a colourless solution to a silver precipitate.Fehling's solution turns from...

GN
3526 Views

Explain the bonding in a metal complex, compare this to an ionic compound and covalent bonding

Metal complexes are kept together by a 'sea' of free electrons holding the negatively charged metal ions togetherCOMPARED TOIonic - positive ions and negative ions held together in a complex by electrosta...

AS
2120 Views

How to predict the bond angle and shape of a molecule of NH3

An atom of nitrogen has 5 valence electrons in its outer shell. Each hydrogen atom in ammonia bonds to the central nitrogen atom and contributes an electron each. This means there are 8 electrons in total...

DP
Answered by Daidria P. Chemistry tutor
5453 Views

Why does a higher temperature means the rate of reaction is faster?

As you increase the temperature of a system, the particles gain more kinetic energy and move about more. This means that particles are likely to collide more frequently. These collisions are also likely t...

DP
Answered by Daidria P. Chemistry tutor
2704 Views

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