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The instantaneous rate of a reaction is the reaction rate at any given point in time. As the period of time used to calculate an average rate of a reaction becomes shorter and shorter, the average rate approaches the instantaneous rate.
To express the rate at a particular moment of time we determine the instantaneous rate. It is obtained when we consider the average rate at the smallest time interval say dt ( i.e. when ∆t approaches zero). Hence, mathematically for an infinitesimally small dt instantaneous rate is as follows:-
Instantaneous rate of reaction is the rate at which the reaction is proceeding at any given time. Suppose the value of the term Δt is very small and tends to zero. Now, we have an infinitesimally small Δt which is a very small time period and can be considered a particular instant of time.
15 Σεπ 2017 · The instantaneous rate of reaction is the slope of the line (the tangent to the curve) at any time t. (From SPM Chemistry) How do we determine it? We draw the best tangent to the line that we can and extend it to convenient points on the axis that will make it easy to calculate the value of (Δ["P"])/(Δt) For example, the graph below shows the ...
1 Φεβ 2017 · The rate equation relates mathematically the rate of reaction to the concentration of the reactants. For the following reaction, aA + bB products, the generalised rate equation is: r = k[A] m [B] n
The rate law (really just an equation) expresses the mathematical relationship between the rate of a chemical reaction and the concentration of reactants aA + bB cC + dD Rate = k [A]x[B]y
13 Νοε 2022 · The instantaneous rate of a reaction is given by the slope of a tangent to the concentration-vs.-time curve. Three such rates have been identified in this plot. An instantaneous rate taken near the beginning of the reaction (t = 0) is known as an initial rate (label (1) here). As we shall soon see, initial rates play an important role in the ...
