Pertanyaan

Orde reaksi NO dan Br 2 berdasarkan data reaksi berikut. 2 NO ( g ) + Br 2 ( g ) → 2 NOBr ( g ) adalah....

Orde reaksi NO dan $Br_{2}$ berdasarkan data reaksi berikut.

$2 NO (g) + Br_{2} (g) \to 2 NOBr (g)$

adalah....

Y. Rochmawatie

Master Teacher

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah D.

Pembahasan

Persamaan laju reaksi : Menentukan orde terhadap , cari sama (gunakan data 1 dan 3) Menentukan orde terhadap , masukkan ke data 1 dan 2 orde reaksi = x + y = 3 Jadi, jawaban yang tepat adalah D.

Persamaan laju reaksi :

Menentukan orde terhadap , cari sama (gunakan data 1 dan 3)

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell v subscript 1 over v subscript 3 end cell equals cell fraction numerator k space open square brackets N O close square brackets to the power of x space open square brackets Br subscript 2 close square brackets to the power of y subscript 1 over denominator k space open square brackets N O close square brackets to the power of x space open square brackets Br subscript 2 close square brackets subscript 3 end fraction end cell row cell v subscript 1 over v subscript 3 end cell equals cell fraction numerator space open square brackets Br subscript 2 close square brackets to the power of y subscript 1 over denominator space open square brackets Br subscript 2 close square brackets subscript space 3 end subscript end fraction end cell row cell fraction numerator x over denominator 9 x end fraction end cell equals cell fraction numerator space open square brackets 0 comma 1 close square brackets to the power of y over denominator space open square brackets 0 comma 3 close square brackets to the power of y end fraction end cell row cell 1 over 9 end cell equals cell open square brackets 1 third close square brackets to the power of y end cell row cell y space end cell equals cell space 2 end cell row blank blank blank end table end style$

Menentukan orde terhadap , masukkan ke data 1 dan 2

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell v subscript 1 over v subscript 2 end cell equals cell fraction numerator k space open square brackets N O close square brackets to the power of x space open square brackets Br subscript 2 close square brackets to the power of y subscript 1 over denominator k space open square brackets N O close square brackets to the power of x space open square brackets Br subscript 2 close square brackets to the power of y subscript 2 end fraction end cell row cell fraction numerator x over denominator 8 italic x end fraction end cell equals cell fraction numerator space open square brackets 0 comma 1 close square brackets to the power of x space open square brackets 0 comma 1 close square brackets squared subscript 1 over denominator space open square brackets 0 comma 2 close square brackets to the power of x space open square brackets 0 comma 2 close square brackets squared subscript 2 end fraction end cell row cell 1 over 8 end cell equals cell open square brackets 1 half close square brackets to the power of x space open square brackets 1 half close square brackets squared end cell row cell 1 over 8 cross times 4 end cell equals cell open square brackets 1 half close square brackets to the power of x end cell row cell open square brackets 1 half close square brackets end cell equals cell open square brackets 1 half close square brackets to the power of x end cell row x equals 1 row blank blank blank row blank blank blank end table end style$

orde reaksi = x + y = 3

Jadi, jawaban yang tepat adalah D.

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