Chemistry / Chem 1649 · Atom · ~20 seconds
Rate Constant Units Vary With Overall Order
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A rate constant's units depend on a reaction's overall order, since the constant converts concentration terms into a rate.
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A first-order rate constant carries units of inverse time (s⁻¹), while a second-order one carries L/mol/s instead.
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Quoting a rate constant without its units leaves it ambiguous — the number could describe reactions of different orders.
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