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What are the rules for writing condensed structural formulas?

Answer 1

Isabella Acosta

Condensed structural formulas are designed to be typed on a single line. Here are the rules.

Condensed structural formulas are shown in the following examples.

#"CH"_3"CH"_2"CH"_2"CH"_2"CH"_2"CH"_3# and #"CH"_3("CH"_2)_4"CH"_3#

#("CH"_3)_4"C"#

#("CH"_3)_2"CHC(CH"_3)_2"CH"_2"CH"_3#

#"CH"_3"CCl"_2"CH"_2"CH"_3#

#"HOCH"_2"CH"_2"OH"#

#"CH"_3"COCH"_3# and #"CH"_3"C(=O)CH"_3# and #("CH"_3)_2"C=O"#

#"ClCH"_2"COOH"# and #"ClCH"_2"C(=O)OH"#

#"CH"_3"CH"_2"C≡N"# and #"CH"_3"CH"_2"CN"#

#"CH"_3"CON(CH"_3)_2# and #"CH"_3"C(=O)N(CH"_3)_2#

#"CH"_3"CH(COOCH"_3)_2#

#"CH"_3"CH(OH)CH"_3#

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Answer 2

Sarah Angotti

Use lines to represent bonds.
Include all atoms and their connectivity.
Show hydrogen atoms bonded to carbon explicitly.
Use parentheses for repeating units in polymers.
Indicate stereochemistry if applicable.
Include functional groups and their arrangement.

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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.