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What is the electronic structure of sulphur

2,8,6
HR
Answered by Hannah R. • Chemistry tutor
4270 Views

Plan an experiment that would allow you to determine the maximum voltage that can be achieved using strips of lithium, zinc, copper and aluminium.

i) Pick electrolyte (e.g. hydrochloric acid) - strong acid ii) Use same volume of electrolyte; Use same electrolyte throughout; iii) Cut same size strips; Connect wire to each metal; Connect to voltmeter; iv...
BO
Answered by Baranse O. • Chemistry tutor
2405 Views

Which substance is oxidised in the reaction represented by the ionic equation below? Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)

Remember OILRIG for oxidation or reduction reactionOxidisation IsLoss Reduction Is GainSo if Zinc goes from neutral charge to 2+ charge, this means it has lost 2 negative charges in electrons, so as oxidatio...
NB
Answered by Ned B. • Chemistry tutor
12000 Views

Explain the need for a temperature compromise in the Haber Process: N2(g) + 3 H2(g) ⇌2 NH3(g) (ΔH = -92 kJ mol-1)

The Haber process is used to produce ammonia (NH3), so we want the equilibrium position to be as far over to the right hand side of the equation as possible to maximise the yield of NH3. As the enthalpy for ...
YE
Answered by Yulia E. • Chemistry tutor
15108 Views

Explain how electricity is conducted in a metal.

Metals have a giant metallic structure, with regular closely packed layers of positive ions in a 'sea' of delocalised electrons. What this means is that metals have a large number of positive ions, in a regu...
ZK
Answered by Zeeshan K. • Chemistry tutor
11205 Views