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Tabel data hubungan laju reaksi : 2 NO ( g ) + 2 H 2 ​ ( g ) → N 2 ​ ( g ) + 2 H 2 ​ O ( g ) pada berbagai konsentrasi. Maka rumus laju reaksinya adalah....

Tabel data hubungan laju reaksi :  pada berbagai konsentrasi.


Maka rumus laju reaksinya adalah.... 

  1. begin mathsize 14px style V double bond k space open square brackets N O close square brackets squared space open square brackets H subscript 2 close square brackets end style undefined 

  2. begin mathsize 14px style V double bond k space open square brackets N O close square brackets cubed space open square brackets H subscript 2 close square brackets squared end style 

  3. begin mathsize 14px style V double bond k space open square brackets N O close square brackets open square brackets H subscript 2 close square brackets squared end style 

  4. begin mathsize 14px style V double bond k space open square brackets N O close square brackets open square brackets H subscript 2 close square brackets end style 

  5. begin mathsize 14px style V double bond k space open square brackets N O close square brackets cubed end style undefined 

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Jawaban terverifikasi

Jawaban

jawaban yang benar adalah A.

jawaban yang benar adalah A.

Pembahasan

Pembahasan
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Menentukan orde terhadap pereaksi melalui data percobaan 1 dan 2. Menentukan orde terhadap pereaksi NO melalui data percobaan 3 dan 4. Maka persamaan laju dapat dituliskan sebagai berikut. Jadi, jawaban yang benar adalah A.

Menentukan orde terhadap pereaksi begin mathsize 14px style H subscript 2 end style melalui data percobaan 1 dan 2.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator k open square brackets N O close square brackets subscript 1 superscript x open square brackets H subscript 2 close square brackets subscript 1 superscript y over denominator k open square brackets N O close square brackets subscript 2 superscript x open square brackets H subscript 2 close square brackets subscript 2 superscript y end fraction end cell equals cell italic v subscript 1 over italic v subscript 2 end cell row cell fraction numerator up diagonal strike k left parenthesis 4 middle dot 10 to the power of negative sign 3 end exponent right parenthesis to the power of x end strike left parenthesis 1 comma 5 middle dot 10 to the power of negative sign 3 end exponent right parenthesis to the power of y over denominator up diagonal strike k left parenthesis 4 middle dot 10 to the power of negative sign 3 end exponent right parenthesis to the power of x end strike left parenthesis 3 middle dot 10 to the power of negative sign 3 end exponent right parenthesis to the power of y end fraction end cell equals cell fraction numerator 32 middle dot 10 to the power of negative sign 7 end exponent over denominator 64 middle dot 10 to the power of negative sign 7 end exponent end fraction end cell row cell open parentheses 1 half close parentheses to the power of italic y end cell equals cell 1 half end cell row italic y equals 1 end table end style 

Menentukan orde terhadap pereaksi NO melalui data percobaan 3 dan 4.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator k open square brackets N O close square brackets subscript 3 superscript x open square brackets H subscript 2 close square brackets subscript 4 superscript y over denominator k open square brackets N O close square brackets subscript 3 superscript x open square brackets H subscript 2 close square brackets subscript 4 superscript y end fraction end cell equals cell italic v subscript 3 over italic v subscript 4 end cell row cell fraction numerator up diagonal strike k left parenthesis 4 middle dot 10 to the power of negative sign 3 end exponent right parenthesis to the power of x up diagonal strike left parenthesis 6 middle dot 10 to the power of negative sign 3 end exponent right parenthesis end strike over denominator up diagonal strike k left parenthesis 2 middle dot 10 to the power of negative sign 3 end exponent right parenthesis to the power of x up diagonal strike left parenthesis 6 middle dot 10 to the power of negative sign 3 end exponent right parenthesis end strike end fraction end cell equals cell fraction numerator 130 middle dot 10 to the power of negative sign 7 end exponent over denominator 32 middle dot 10 to the power of negative sign 7 end exponent end fraction end cell row cell 2 to the power of x end cell equals 4 row x equals 2 end table end style 

Maka persamaan laju dapat dituliskan sebagai berikut.

begin mathsize 14px style V double bond k space open square brackets N O close square brackets squared space open square brackets H subscript 2 close square brackets end style undefined 

Jadi, jawaban yang benar adalah A.

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Pada percobaan reaksi gas nitrogen dan hidrogen dengan persamaan reaksi N 2 ​ + 3 H 2 ​ → 2 NH 3 ​ didapatkan hasil percobaan sebagai berikut. Persamaan laju reaksi dari data di atas adalah …...

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