How many carboxylic acids have the formula C4H8O2?

Answer 1

Two carboxylic acids have the formula #"C"_4"H"_8"O"_2#.

We can rewrite the formula as #"C"_3"H"_7"COOH"#.
#"C"_3"H"_7# is a propyl group.
We can put the #"COOH"# group on the end of the propyl chain to get #"CH"_3"CH"_2"CH"_2"COOH"#, butanoic acid.
Or we can put the #"COOH"# group in the middle of the propyl chain to get #("CH"_3)_2"CHCOOH"#, 2-methylpropanoic acid.
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Answer 2

There are four carboxylic acids with the formula C4H8O2. They are:

  1. Butanoic acid (also known as butyric acid)
  2. 2-Methylpropanoic acid (also known as isobutyric acid)
  3. 2-Methylbutanoic acid (also known as isovaleric acid)
  4. 3-Methylbutanoic acid (also known as trimethylacetic acid)
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Answer from HIX Tutor

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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