What are the isomers of butane?
n-Butane has a chain of four carbon atoms in a row.
Isobutane has a chain of three carbon atoms with the fourth carbon attached to C-2.
The official IUPAC-name for isobutane is methylpropane, though the name isobutane is 'tolerated.'
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The isomers of butane are:
- n-butane (normal butane)
- isobutane (2-methylpropane)
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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