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Tentukan orde reaksi total, harga k, persamaan laju reaksi, dan grafik orde reaksi dari data percobaan pada soal berikut! Reaksi: 2NO(g)+Br2​(g)→2NOBr(g)

Pertanyaan

Tentukan orde reaksi total, harga k, persamaan laju reaksi, dan grafik orde reaksi dari data percobaan pada soal berikut!

Reaksi: 2 N O open parentheses italic g close parentheses and Br subscript 2 open parentheses italic g close parentheses yields 2 N O Br open parentheses italic g close parentheses


B. Rohmawati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Semarang

Jawaban terverifikasi

Jawaban

jawaban sesuai dengan uraian di atas.

Pembahasan

Rumus persamaan laju reaksi: v double bond k space open square brackets N O close square brackets to the power of x open square brackets Br subscript 2 close square brackets to the power of y (v almost equal to 1 over t)

Orde reaksi terhadap NO (Br subscript 2 tetap) (data 1 dan data 2)

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator begin display style 1 over t subscript 2 end style over denominator begin display style 1 over t subscript 1 end style end fraction end cell equals cell fraction numerator k space open square brackets N O close square brackets to the power of x open square brackets Br subscript 2 close square brackets to the power of y over denominator k space open square brackets N O close square brackets to the power of x open square brackets Br subscript 2 close square brackets to the power of y end fraction end cell row cell fraction numerator begin display style 1 over 16 end style over denominator begin display style 1 over 64 end style end fraction end cell equals cell fraction numerator up diagonal strike k space left square bracket 0 comma 2 right square bracket to the power of x up diagonal strike left square bracket 0 comma 1 right square bracket to the power of y end strike over denominator up diagonal strike k space left square bracket 0 comma 1 right square bracket to the power of x up diagonal strike left square bracket 0 comma 1 right square bracket to the power of y end strike end fraction end cell row cell 64 over 16 end cell equals cell 2 to the power of x end cell row 4 equals cell 2 to the power of x end cell row cell 2 squared end cell equals cell 2 to the power of x end cell row x equals 2 row blank blank blank row blank blank blank end table

Orde reaksi terhadap Br subscript 2 (NO tetap) (data 2 dan data 3)

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator begin display style 1 over t subscript 3 end style over denominator begin display style 1 over t subscript 2 end style end fraction end cell equals cell fraction numerator k space open square brackets N O close square brackets to the power of x open square brackets Br subscript 2 close square brackets to the power of y over denominator k space open square brackets N O close square brackets to the power of x open square brackets Br subscript 2 close square brackets to the power of y end fraction end cell row cell fraction numerator begin display style 1 over 8 end style over denominator begin display style 1 over 16 end style end fraction end cell equals cell fraction numerator up diagonal strike k space up diagonal strike left square bracket 0 comma 2 right square bracket to the power of x end strike left square bracket 0 comma 2 right square bracket to the power of y over denominator up diagonal strike k space up diagonal strike left square bracket 0 comma 2 right square bracket to the power of x end strike space left square bracket 0 comma 1 right square bracket to the power of y end fraction end cell row cell 16 over 8 end cell equals cell 2 to the power of x end cell row 2 equals cell 2 to the power of x end cell row cell 2 squared end cell equals cell 2 to the power of x end cell row x equals 1 row blank blank blank row blank blank blank end table

orde reaksi total:

x and y equals 1 plus 2 equals 3

persamaan laju reaksi:

v double bond k space open square brackets N O close square brackets open square brackets Br subscript 2 close square brackets squared atau 1 over t equals k space open square brackets N O close square brackets open square brackets Br subscript 2 close square brackets squared 

harga k (misal data no 1)

table attributes columnalign right center left columnspacing 0px end attributes row cell 1 over t end cell equals cell k space open square brackets N O close square brackets open square brackets Br subscript 2 close square brackets squared end cell row cell 1 over 64 space detik end cell equals cell k space left square bracket 0 comma 1 right square bracket left square bracket 0 comma 1 right square bracket squared end cell row k equals cell fraction numerator 1 over denominator 64 space detik space x space left square bracket 0 comma 1 space M right square bracket left square bracket 0 comma 1 space M right square bracket squared end fraction end cell row k equals cell fraction numerator 1 over denominator 6 comma 4 space detik space x 10 to the power of negative sign 4 end exponent space M cubed end fraction end cell row blank equals cell 1562 comma 5 space detik to the power of negative sign 1 end exponent M to the power of negative sign 3 end exponent end cell end table

Jadi, jawaban sesuai dengan uraian di atas.

13rb+

5.0 (3 rating)

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Tentukan orde reaksi total, harga k, persamaan laju reaksi, dan grafik orde reaksi dari data percobaan pada soal berikut! Reaksi: I−(aq)+ClO−(aq)→IO−(g)+Cl−(l)

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