For a chemical reaction A + B → Product, the order is 1 with respect to A and B . Rate mol L ^ - 1 S ^ - 1 [A] mol L ^ - 1 [B] mol L ^ - 1 0 . 10 20 0 . 5 0 . 40 x 0 . 5 0 . 80 40 y What is the value of x and y ?

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Quantrex Academy · Accepted Answer

Correct answer: C. 80 and 2

To determine the values of x and y, we can use the information provided and the rate expression for the given reaction, which is first order with respect to both A and B:

Rate $r = K [ A{]}^{1} [ B{]}^{1}$

$0 . 1 = K ( 20{)}^{1} ( 0 . 5{)}^{1} \ldots ( i ) 0 . 40 = K ( x{)}^{1} ( 0 . 5{)}^{1} \ldots ( ii ) 0 . 80 = K ( 40{)}^{1} ( y{)}^{1} \ldots ( iii )$

From (i) and (ii)

$x = 80$

From (i) and (iii)

$y = 2$

Rate $mol{L}^{- 1}{S}^{- 1}$	[A] $mol{L}^{- 1}$	[B] $mol{L}^{- 1}$
$0 . 10$	$20$	$0 . 5$
$0 . 40$	$x$	$0 . 5$
$0 . 80$	$40$	$y$

For a chemical reaction A + B → Product, the order is 1 with...

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