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Describe how sigma and pi bonds form and describe how single and double bonds differ.

The sigma bond results due to the overlapping of orbitals along an inter-nuclearaxis. In other words if two s orbitals are directly overlapping, then the bond formed is linear between the two nuclear centres...
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Answered by Neil G. Chemistry tutor
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Explain why food is price inelastic.

The price elasticity of a good measures the proportionate change in demand to an inital change in price. If a good is price inelastic it suggests that an increase in price leads to a less than proportionate ...
RS
Answered by Roscoe S. Economics tutor
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Text books are stored on two shelves. Each shelf is 0.72m long. Each textbook is 30 millimetres wide. Could 50 textbooks be stored on these shelves? (3 marks)

None caluclator paper, so you know that the divisions/multiplications will be relatively simple. First thing to do is convert both measurements we have into the same units (in this case millimetres). We shou...
SD
Answered by Sophia D. Maths tutor
4155 Views

Why do you want to study medicine?

A question that you will almost certainly be asked. It is important to have a good answer to this question as while a good answer won't guarantee you a place, a poor answer may well lose you one! There are m...
JR
2027 Views

Describe and explain the formation of wave cut platforms.

A wave cut platform is an area of hard, flat rock located in front of a cliff. It is mainly visible during low tide and is hidden during high tide, and appears to have grooves and ridges formed via the proce...
MP
Answered by Mala P. Geography tutor
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