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define rate of reaction? how to express rate of reaction? define rate law rate constant and unit of rate constant? a reaction take place as 2A+B--->3C find out the rate in terms of each reactant and product and also normalised rate equation?

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1.define rate of reaction? 2. how to express rate of reaction? 3. define rate law rate constant and unit of rate constant?  4.a reaction take place as 2A+B--->3C find out the rate in terms of each reactant and product and also normalised rate equation? 1.define rate of reaction? ans.   the rate of a reaction is the amount of chemical change occurring per unit time . the rate is generally expressed as the decrease in concentration of the reactants or as the increase in concentration of the products per unit time. the unit of reaction rate is concentration divided by time if the concentration is expressed in mole per litre and time in second then the unit of rate is moles litre inverse second inverse.  2. how to express rate of reaction? 3. define rate law rate constant and unit of rate constant?  the rate of a reaction is found experimentally to be proportional to the concentration of reactants raise to proper power. 4.a reaction take place as 2A+B--->3C find out the rate in terms