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Chemistry
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Describe three possible structures of the allotropes of carbon

1.Graphite is made up of multiple flat layers of carbon, where the layers are not covalently bonded together. Three covalent bonds hold the atoms in each layer together, forming a repeating hexagonal ring...

JC
Answered by James C. Chemistry tutor
2396 Views

Predict the products of electrolysis of molten calcium chloride and explain which ions are at each electrode

Electrolysis is a process in which electrical energy, from a direct current (dc) supply, breaks down electrolytes. the free moving ions in electrolytes are attracted to t...

YM
Answered by Yasmeen M. Chemistry tutor
15314 Views

How does temperature affect the rate of reaction?

For a reaction to occur particles reacting must have a neccessary activation energy (kinetic energy). As temperature gets higher, so does the kinetic energy of particles, which can be ilustrated with a Ma...

Answered by Chemistry tutor
1801 Views

Describe how you would differentiate a sample of butanal and butan-2-one.

You would add tollen's reagent to both samples. The butanal would form a silver mirror, whereas, butan-2-one would remain unchanged. This is due to the fact that an aldehyde can be oxidised to a carboxyli...

Answered by Chemistry tutor
13694 Views

The Haber process is used to manufacture ammonia. Explain the optimum conditions for this reaction and why these conditions may not be used in industry

N2(g)+3H2(g) ⇋ 2NH3(g) ΔH=-92kJmol-1 (equation for question above)
According to Le Chatelier's principle, a system in dynamic equilibrium will shift th...

LA
Answered by Luke A. Chemistry tutor
5047 Views

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