Question

(a)for a certain chemical reaction a +2b --------> 2c + d the experimentally obtained information is in the table provided. for this reaction:
(1) derive the order of reaction w.r.t both reactants a and b.
(2)write the rate law
(3)calculate the value of rate constant k
(4)write the expression for the rate of reaction in terms of a and c.
(b) illustrate graphically the effect of catalyst on the rate of a reaction

Answer 1

HERE COMES THE ANSWER:-

1:- ORDER OF REACTION:-

MOST OFENTLY WE CAN'T CONCLUDE BY JUST LOOKING AT THE REACTION IT'S MEASURED BY EXPERIMENT ONLY ..

BUT LETS SIPPOSE:-

ORDER FOR THIS WILL BE:-{3 BECAUSE THE COEFFICIENTS ARE ADDED IN ORDER TO GET ORDER:- SO IT'S :- 3}..

2:- RATE LAW:-

RATE LAW WOULD BE REGARDS WITH CONC OF REACTANTS WHICH MEANS:-

RATE LAW:- {a} + {b}²

SO THE K WILL BE THE SAME AS THE RATE LAW...

4:- AS REACTION IS IRREVERSIBLE SO WON'T BE CONNECTED TO EACHOTHER.

5:-CATALYST WILL LOWER THE ACTIVATION ENERGY

Answer 2

The specific rate constant (k) is the proportionality constant relating the rate of the reaction to the concentrations of reactants. The rate law and the specific rate constant for any chemical reaction must be determined experimentally. The value of the rate constant is temperature dependent.