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collision theory and factors affecting rate of chemical reaction

Authored by veronicah ongondo

Chemistry

9th - 12th Grade

Used 4+ times

collision theory and factors affecting rate of chemical reaction
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Under the collision theory, the particles must collide with  ____ and ____ for a reaction to occur.

sufficient rate and sufficient energy
sufficient surface area and correct orientation
sufficient catalyst and sufficient energy
sufficent energy and correct orientation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

More collisions correspond to a: 

Faster reaction rate  
Slower reaction rate
Constant reaction rate 
None of the above

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The rate of a chemical reaction is NOT affected by which of the following:

temperature
concentration
particle size (surface area)
All of these affect reaction rates

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The rate of a reaction increases as temperature__________________.

Decreases
Increases
Stays the Same

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Products will form faster if____________

the particle size of the reactants are larger.
temperature is decreased.
concentration of the reactants are increased.
the reaction is not stirred.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A ______________ is a substance that increases the rate of a reaction without being used up during the reaction. 

catalyst
product
reactant
solute

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Catalysts permit reactions to proceed along a ___________energy path.

lower
higher

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