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Define a hydrocarbon and explain the difference between alkenes and alkanes.

A Hydrocarbon is an organic molecule containing only hydrogen and carbon atoms. Alkanes are saturated hydrocarbons, meaning they are only made up of single bonds. The carbons are 'saturated' with hydrogen...

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Answered by Saskia H. Chemistry tutor
12299 Views

Explain what is meant by a saturated hydrocarbon

A saturated hydrocarbon is a molecule made up of hydrogen and carbon only and only contains single carbon to carbon bonds.

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Answered by Niamh D. Chemistry tutor
6168 Views

What is a parasite?

An organism which feeds off the resources of its host, this has a negative impact on the host and a positive impact on the parasitic organism

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Answered by Niamh D. Biology tutor
3842 Views

Describe differences between animal and plant cells

There are many differences between animal and plant cells, these include:1) Plant cells have a cell wall, animal cells do not2) Only plant cells have chloroplasts- these contain chlorophyll that helps in ...

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Answered by Polly M. Biology tutor
3364 Views

In a recent election, 42% of the voters were male. There were 400 more female voters than male voters. Assuming all voters are either male or female, how many voters were there overall?

Since 42% of voters are male, 58% must be female. Since 58-42 = 16, the difference of 400 represents 16% of the voters. We can then divide 400 by 16 to get 25, which represents 1% of the voters. 25 x 100 ...

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Answered by Peter O. Maths tutor
3783 Views

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