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Chemistry
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How is crude oil separated into fractions?

Crude oil is composed of many hydrocarbons. The crude oil is heated to evaporate it and the vapour rises. There is a temperature gradient up the column (hotter at the bottom...

DD
Answered by Daisy D. Chemistry tutor
2983 Views

How do I find the molecule from the 1H NMR spectrum?

(Note: proton and 1H+ are the same thing)

1. Draw a table with the following headings:

δ / ppm, integral, splitting, observations

2. Coun...

DD
Answered by Daisy D. Chemistry tutor
3656 Views

How do buffers work?

What is a buffer?

A buffer is a solution that resists a change in pH when small amounts of acid or base are added. It is composed of either a weak acid or a weak base wit...

DD
Answered by Daisy D. Chemistry tutor
4014 Views

How do I balance symbol equations?

The most important thing to remember about chemistry equations, whether these are word or symbol equations, is that you must always have the same amount of each species (element or molecule) on both si...

KJ
Answered by Kiani J. Chemistry tutor
3379 Views

What does OILRIG stand for and what is the significance?

Oxidation Is Loss Reduction Is Gain = OILRIG

This is a helpful acronym to describe the term given to a loss or gain of electrons. If atom looses or gains an elect...

AC
Answered by Alice C. Chemistry tutor
84020 Views

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