Rates of reaction

Rates of reaction
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Slide 1: Tekstslide

In deze les zitten 19 slides, met interactieve quizzen en tekstslide.

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Rates of reaction

Slide 1 - Tekstslide

What happens to the rate of reaction when the concentration of reactants increases?
A
The rate of reaction fluctuates
B
The rate of reaction increases
C
The rate of reaction remains the same
D
The rate of reaction decreases

Slide 2 - Quizvraag

How does increasing the concentration of reactants affect the frequency of successful collisions?
A
It causes random variations in the frequency of successful collisions
B
It decreases the frequency of successful collisions
C
It has no effect on the frequency of successful collisions
D
It increases the frequency of successful collisions

Slide 3 - Quizvraag

What impact does a higher concentration of reactants have on the reaction rate?
A
It speeds up the reaction rate
B
It slows down the reaction rate
C
It has no effect on the reaction rate
D
It makes the reaction rate unpredictable

Slide 4 - Quizvraag

Why does an increase in reactant concentration lead to a faster reaction rate?
A
There are more reactant particles to collide
B
The temperature decreases, causing a faster reaction rate
C
The reactant particles become less reactive
D
The reaction becomes more complex

Slide 5 - Quizvraag

What is the relationship between reactant concentration and reaction rate?
A
They have a direct proportional relationship
B
They have no relationship
C
They have an inverse proportional relationship
D
The relationship is chaotic and unpredictable

Slide 6 - Quizvraag

What is the effect of increased pressure on the rate of reaction?
A
Has no effect on the rate of reaction
B
Increases the rate of reaction
C
Causes the reaction to stop
D
Decreases the rate of reaction

Slide 7 - Quizvraag

How does pressure influence the rate of reaction?
A
Pressure has no impact on reaction rate
B
Pressure slows down the reaction
C
Lower pressure speeds up the reaction
D
Higher pressure can speed up the reaction

Slide 8 - Quizvraag

What happens to the rate of reaction when pressure is decreased?
A
The rate of reaction remains constant
B
The rate of reaction decreases
C
The reaction stops completely
D
The rate of reaction increases

Slide 9 - Quizvraag

What effect does pressure have on reaction rate?
A
Decreasing pressure accelerates the reaction
B
Pressure slows down the reaction
C
Increasing pressure accelerates the reaction
D
Pressure has no effect on reaction rate

Slide 10 - Quizvraag

How does pressure impact the rate of a chemical reaction?
A
Higher pressure increases the rate of reaction
B
Pressure has no impact on reaction rate
C
Pressure decreases the rate of reaction
D
Lower pressure increases the rate of reaction

Slide 11 - Quizvraag

What is the formula for calculating rate of concentration change?
A
(Change in concentration) / (Time taken)
B
(Initial concentration) * (Final concentration)
C
(Change in time) * (Final concentration)
D
Time taken / Change in concentration

Slide 12 - Quizvraag

How is rate of concentration change typically expressed?
A
molarity per hour
B
grams per milliliter per minute
C
moles per liter per minute
D
moles per liter per second

Slide 13 - Quizvraag

What does a higher rate of concentration change indicate?
A
Slower reaction or diffusion
B
No change in reaction or diffusion
C
Decrease in reaction or diffusion
D
Faster reaction or diffusion

Slide 14 - Quizvraag

What factors can affect the rate of concentration change?
A
Temperature, surface area, concentration, catalysts
B
Pressure, color, volume, pH level

Slide 15 - Quizvraag

In a reaction, what does a negative rate of concentration change represent?
A
No change in concentration over time
B
Increase in concentration over time
C
Decrease in concentration over time
D
Constant concentration over time

Slide 16 - Quizvraag

What happens to the rate of reaction if pressure is increased?
A
It fluctuates
B
It increases
C
It stays the same
D
It decreases

Slide 17 - Quizvraag

How does pressure affect the rate of reaction?
A
It has no effect
B
It causes explosions
C
It increases the rate
D
It decreases the rate

Slide 18 - Quizvraag

What is the relationship between pressure and rate of reaction?
A
Exponential relationship
B
Directly proportional
C
No relationship
D
Inversely proportional

Slide 19 - Quizvraag