
Mengenal Laju Reaksi
Presentation
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Budi Supriono
FREE Resource
11 Slides • 5 Questions
1
Mengenal Laju Reaksi
Laju reaksi adalah kecepatan perubahan konsentrasi suatu zat dalam suatu reaksi kimia. Faktor-faktor yang mempengaruhi laju reaksi antara lain suhu, konsentrasi zat, luas permukaan, dan katalisator. Memahami laju reaksi penting dalam memprediksi kecepatan suatu reaksi dan mengoptimalkan proses kimia.
2
Mengenal Laju Reaksi
Perhatikan keselamatan saat melakukan percobaan laju reaksi.
3
Multiple Choice
Apa yang mempengaruhi laju reaksi dalam suatu reaksi kimia?
Suhu
Konsentrasi zat
Luas permukaan
Katalis
4
Katalis
Katalis adalah faktor yang mempengaruhi laju reaksi dalam suatu reaksi kimia. Katalis dapat meningkatkan kecepatan reaksi tanpa ikut bereaksi secara permanen. Katalis bekerja dengan mengurangi energi aktivasi yang diperlukan untuk memulai reaksi kimia. Dengan demikian, katalis dapat mempercepat reaksi kimia secara signifikan.
5
Faktor-faktor Laju Reaksi
6
Multiple Choice
Which factor can increase the rate of a reaction?
Concentration of reactants
Decrease in temperature
Presence of a catalyst
Decrease in surface area
7
Rate of Reaction
8
Mengenal Laju Reaksi: Suhu
9
Multiple Choice
Apa yang mempengaruhi laju reaksi dalam suatu reaksi kimia?
Konsentrasi zat
Tekanan udara
Waktu reaksi
Suhu
10
Suhu
Suhu adalah faktor yang paling mempengaruhi laju reaksi dalam suatu reaksi kimia. Semakin tinggi suhu, semakin cepat reaksi berlangsung. Hal ini disebabkan oleh meningkatnya energi kinetik partikel-partikel zat yang berinteraksi, sehingga mereka saling bertumbukan dengan lebih sering dan dengan energi yang lebih tinggi.
11
Mengenal Laju Reaksi: Katalis
12
Multiple Choice
What is the function of a catalyst in chemical reactions?
To slow down the reaction
To increase the mass of the reactants
To decrease the activation energy of the reaction
To change the structure of the reactants
13
Catalysts:
To decrease the activation energy of chemical reactions. Catalysts are substances that speed up reactions by lowering the energy needed for them to occur. They remain unchanged after the reaction and can be used repeatedly. They are like the secret agents of chemistry, making reactions happen faster without getting consumed in the process.
14
Mengenal Hukum Laju Reaksi
15
Multiple Choice
What is the mathematical equation that describes the relationship between reaction rate and reactant concentrations?
Hukum Laju Reaksi Orde Satu
Hukum Laju Reaksi Orde Nol
Hukum Laju Reaksi Orde Dua
Hukum Laju Reaksi Orde Tiga
16
Hukum Laju Reaksi
Hukum Laju Reaksi Orde Satu describes the relationship between reaction rate and reactant concentrations. It states that the rate of a reaction is directly proportional to the concentration of a reactant raised to the power of one. This means that if the concentration of a reactant doubles, the rate of the reaction will also double.
Mengenal Laju Reaksi
Laju reaksi adalah kecepatan perubahan konsentrasi suatu zat dalam suatu reaksi kimia. Faktor-faktor yang mempengaruhi laju reaksi antara lain suhu, konsentrasi zat, luas permukaan, dan katalisator. Memahami laju reaksi penting dalam memprediksi kecepatan suatu reaksi dan mengoptimalkan proses kimia.
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