bab 7 Flashcards

1
Q

kadar tindak balas

A

perubahan kuantiti bahan tindak balas per unit masa atau perubahan kuantiti hasil tindak balas per unit masa

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2
Q

perubahan yg berlaku dalam tindak balas

A
  • pembentukan mendakan
  • pengurangan jisim bahan tindak balas
  • penambahan isi padu
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3
Q

kadar tindak balas purata

A

nilai purata bagi kadar tindak balas yg berlaku dalam satu tempoh masa tertentu

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4
Q

kadar tindak balas purata bagi keseluruhan tindak balas

A

V/t cm^3 s^-1

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5
Q

kadar tindak balas pada masa tertentu

A

kadar tindak balas yg berlaku pada satu ketika sahaja

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6
Q

mangkin

A

bahan kimia yg mengubah kadar tindak balas tanpa mengalami sebarang perubahan kimia pada akhir tindak balas

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7
Q

menurut teori perlanggaran

A
  • zarah bahan tindak balas mesti berlanggar antara satu sama lain utk tindak balas berlaku
  • kadar tindak balas bergantung kpd frekuensi perlanggaran berkesan
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8
Q

kepekatan bertambah

A
  • bilangan zarah per unit isi padu bertambah
  • frekuensi perlanggaran antara zarah2 bertambah
  • frekuensi perlanggaran berkesan antara zarah2 bertambah
  • kadar tindak balas bertambah
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9
Q

tekanan gas bertambah

A
  1. bilangan zarah gas per unit isi padu bertambah
  2. frekuensi perlanggaran antara zarah2 bertambah
  3. frekuensi perlanggaran berkesan antara zarah2 bertambah
  4. kadar tindak balas bertambah
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10
Q

JLP bertambah (saiz)

A
  • JLP terdedah kpd perlanggaran bertambah
  • frekuensi perlanggaran antara zarah2 bertambah
  • frekuensi perlanggaran berkesan antara zarah2 bertambah
  • kadar tindak balas bertambah
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11
Q

suhu bertambah

A
  • tenaga kineti zarah bahan tindak balas bertambah
  • lebih banyak zarah bertenega untuk mengatasi tenaga pengaktifan
  • frekuensi perlanggaran berkesan antara zarah2 bertambah
  • kadar tindak balas bertambah
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12
Q

mangkin hadir

A
  • mangkin menyediakan lintasan alternatif dgn merendahkan tenaga pengaktifan
  • lebih banyak zarah2 bahan tindak balas dpt mencapai tenaga pengaktifan itu
  • frekuensi perlanggaran berkesan antara zarah2 bertambah
  • kadar tindak balas bertambah
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