Question

chemical kinetics k neumerical me kab ∆[c]/ ∆t use Kiya jata haii or kab d[c]/ dt use Kiya jata hai ?????

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Answer 1

Hey

Here is the answer.

∆ signifies a significant difference between initial and final values of any quantity be it concentration [c] or time t .

When we need to calculate a considerable difference of the concentration or time (or) we are given a considerable change in initial and final values of the concentration and time then we use the ratio of ∆[c] and ∆t.

It signifies the rate of change of the concentration with respect to time in that particular time interval.


WHEREAS

d or differential change is the change when the change is taking place instantaneously or within a short range of time or infinitesimally small time such as t--> 0.

This d[c]/dt denotes the instantaneous rate of concentration change for the kinematic process.


Hope it helps.

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