Chemistry / Unit 2 Chem 0267 short lesson, about 20 seconds
Isomers
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The idea
Isomers are compounds sharing the same molecular formula but differing in how their atoms are arranged, giving them different properties.
In practice
Acetic acid and methyl formate share the formula C2H4O2, yet one is vinegar's sour acid and the other a distinct industrial solvent.
Where people slip
An identical formula never guarantees identical behavior — isomers can differ as sharply as two unrelated substances.
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