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Worksheets

Kinetics

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.
Under the collision theory, the particles must collide with  ____ and ____ for a reaction to occur.
a)
sufficient rate and sufficient energy
b)
sufficient surface area and correct orientation
c)
sufficient catalyst and sufficient energy
d)
sufficent energy and correct orientation
2.
More collisions correspond to a: 
a)
Faster reaction rate  
b)
Slower reaction rate
c)
Constant reaction rate 
d)
None of the above
3.

Which of the following is NOT a factor affecting reaction rate?

a)

temperature

b)

catalysts

c)

concentration

d)

polarity

4.
Which of the following increase the reaction rate?
a)
less surface area
b)
lower temperature
c)
an inhibitor
d)
increased concentration
5.

In an exothermic reaction, heat is ...

a)

absorbed

b)

released

6.

In an endothermic reaction, heat is ,,,

a)

absorbed

b)

released

7.

Do the reactants in an exothermic reaction have a higher or lower energy than the products?

a)

Higher

b)

Lower

8.

Do reactants in an endothermic reaction have a higher or lower energy than the products?

a)

Higher

b)

Lower

9.

What is activation energy?

a)

The maximum amount of energy used

b)

The minimum amount of energy required for a reaction to start

c)

The energy of the reactants

d)

The energy possessed by the products

10.

Which state of matter will react the SLOWEST?

a)

solid

b)

liquid

c)

gas

d)

the all react at the same rate

11.

The potential energy of the reactants is..?

a)

100 kJ

b)

250 kJ

c)

50 kJ

d)

200 kJ

12.

What is the potential energy of the products?

a)

100 kJ

b)

250 kJ

c)

50 kJ

d)

200 kJ

13.

What is the activation energy?

a)

100 kJ

b)

250 kJ

c)

50 kJ

d)

200 kJ

14.

What is the overall change in energy (ΔH)?

a)

100 kJ

b)

250 kJ

c)

50 kJ

d)

200 kJ

15.

Is this an endothermic or exothermic reaction?

a)

endothermic

b)

exothermic