Top answers

Chemistry
A Level

What is an optical isomer?

An optical isomer is when a molecule has a 'non-superimposable mirror image'. This means that if you draw out its reflection, it is not the same as the original. A good example in daily life would be feet...

Answered by Polly-Isobel S. Chemistry tutor
1852 Views

Explain the position and numbering system of elements on the periodic table.

For each element on the periodic table there are two key numbers associated with it, the atomic number and the atomic mass (top and bottom respectively). The atomic number is simply a count of how many pr...

Answered by Glen D. Chemistry tutor
12396 Views

Why can both major and minor products be formed during an eimination reaction?

The double bond can be attacked by the OH nucleophile producing two possible carbocation intermediates. The more stable carbocation with more surrounding electron releasing methyl groups will be more stab...

Answered by Haider A. Chemistry tutor
2393 Views

Thermodynamics with a focus on entropy

There are many factors which will affect whether a reaction will take place spontaneously. For a reaction to occur spontaneously it does not require an external influence such as energy, for it to occur. ...

Answered by Rakshinda B. Chemistry tutor
1585 Views

What is the angle between bonds of a H2O molecule

104.5

Answered by Robert H. Chemistry tutor
1552 Views

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