Which of the following postulates of Kinetic Molecular Theory is/are violated by

ID: 790958 • Letter: W

Question

Which of the following postulates of Kinetic Molecular Theory is/are violated by a van der Waals

gas?

1. A gas consists of tiny particles moving around at random.

2. The volume of the particles themselves is negligible compared with the total volume of the gas.

3. The gas particles act independently of each other, there are no attractive or repulsive forces

between particles.

4. Collisions of the gas particles are elastic.

5. The average kinetic energy of the particles is proportional to the kelvin temperature.

Select one:

a. postulates 1 and 3

b. postulates 3 and 4

c. postulate 5 only

d. postulate 3 only

e. postulates 1 and 4

f. postulates 1 and 5

g. postulates 3 and 5

h. postulates 2 and 5

i. none of the postulates

j. postulates 2 and 3

k. postulate 1 only

l. all of the postulates

m. postulates 2 and 4

n. postulate 2 only

o. postulate 4 only

p. postulates 4 and 5 q. postulates 1 and 2

2 and 3

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