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Chemistry
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Why are alkanes saturated and alkenes unsaturated?

Alkanes are saturated because they contain only single covalent bonds. Alkenes are unsaturated because they do have double covalent bonds.

CM
Answered by Calum M. Chemistry tutor
17424 Views

How do mass spectrometers measure the mass of a compound?

Mass spectrometry is a method of identifying the molecular mass of compounds by measuring its mass to charge ratio. Methods vary depending on the molecules being analysed, th...

ES
Answered by Eduardo S. Chemistry tutor
4175 Views

What is the mass (g) of 0.25mols of NaCl?

What you need for these equations are a calculator, periodic table and the following equation:

Mass (g) = Mr x Moles     (important equation to remember)

In t...

EB
Answered by Emily B. Chemistry tutor
20039 Views

Explain electrophilic aromatic substitution?

Electrophilic aromatic substitution (SEAr) is an organic reaction in which an atom that is attached to an aromatic system (usually hydrogen) is replaced by ...

DJ
Answered by Dafydd J. Chemistry tutor
4292 Views

Explain the atomic structure of an Atom?

An Atom is made up of 3 parts, protons, neutrons and electrons. Each element has it's own number of protons and electrons<...

DJ
Answered by Dafydd J. Chemistry tutor
7744 Views

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