110c-lecture24 - Instantaneous Rate of Reaction Reaction...

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Instantaneous Rate of Reaction Reaction rate at specific time point (t 1 ) is called instantaneous rate. [R](t) [P](t) [ ] [ ] dt R d dt P d = = rate Time dP dt Concentration P R t 1 Instantaneous rate equals the slope of the tangent at a specific time (t 1 ). Slope of tangent expressed by a derivative from calculus (e.g. d[P]/dt). Units of rate: M s -1 or M min -1 0 ] [ < dt R d (i.e. [R] decrease vs t) Minus sign because
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