
Laju Reaksi - Kimia Dasar
Flashcard
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Risky Yuliantari
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44 questions
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1.
FLASHCARD QUESTION
Front
Apa yang dimaksud dengan laju reaksi?
Back
Laju reaksi adalah ukuran kecepatan suatu reaksi kimia berlangsung, yaitu seberapa cepat reaktan diubah menjadi produk dalam suatu reaksi.
2.
FLASHCARD QUESTION
Front
Satuan apa yang digunakan untuk mengukur laju reaksi?
Back
Satuan yang digunakan untuk mengukur laju reaksi adalah molar/de1k (M/s).
3.
FLASHCARD QUESTION
Front
Apa yang terjadi pada laju reaksi jika konsentrasi pereaksi ditambah?
Back
Jika konsentrasi pereaksi ditambah, jumlah partikel pereaksi per satuan volume meningkat, sehingga tumbukan yang terjadi semakin banyak dan laju reaksi semakin meningkat.
4.
FLASHCARD QUESTION
Front
Bagaimana pengaruh luas permukaan bidang sentuh terhadap laju reaksi?
Back
Semakin luas bidang sentuh zat padat, semakin banyak jumlah tumbukan yang akan terjadi, sehingga laju reaksi semakin cepat.
5.
FLASHCARD QUESTION
Front
Apa yang terjadi pada laju reaksi jika suhu dinaikkan?
Back
Jika suhu dinaikkan, energi kinetik partikel-partikel akan meningkat, sehingga laju reaksi menjadi lebih cepat.
6.
FLASHCARD QUESTION
Front
Apa yang dilakukan oleh katalis dalam suatu reaksi?
Back
Katalis mempercepat laju reaksi dengan cara menurunkan energi aktivasi.
7.
FLASHCARD QUESTION
Front
Berikan contoh reaksi yang menunjukkan perbandingan laju reaksi!
Back
Contoh: 2H2 + O2 -> 2H2O, laju berkurangnya H2 adalah dua kali laju berkurangnya O2.
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