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ANIL KUSHWAHA Grade: Upto college level
        WHAT IS RATE OF REX
7 years ago

74 Points
										hII ANIL

The reaction rate or rate of reaction for a REACTANT or PRODUCT in a particular REACTION is intuitively defined as how fast or slow a  reaction takes place. For example, the OXIDATION of iron under the atmosphere is a slow  reaction which can take many years, but the combustion of butane in a  fire is a reaction that takes place in fractions of a second.

So mathematically rate of reaction is expressed as...

Consider a typical chemical reaction:
aA + bB → pP + qQ
The lowercase letters (a, b, p, and q)  represent stichiometric co-efficient, while the capital letters represent the reactants (A and B) and the products (P and Q).
The reaction rate r for a chemical reaction occurring in a closed system under constant-volume conditions, without a build-up of reaction intermediate, is defined as:
$r = - \frac{1}{a} \frac{d[A]}{dt} = - \frac{1}{b} \frac{d[B]}{dt} = \frac{1}{p} \frac{d[P]}{dt} = \frac{1}{q} \frac{d[Q]}{dt}$,I hope you get it regards Yagyaaskiitians_expert

7 years ago
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