Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 11

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Weekly Quiz Competition

Question 1
4 / -1

1 kg of a diatomic gas is at a pressure of 8 × 10⁴ Nm^-2. The density of the gas is 4 kgm^-3. What is the energy of the gas due to its thermal motion?

A
3 × 10⁴ J

B
5 × 10⁴ J

C
6 × 10⁴ J

D
7 × 10⁴ J

Solution
Question 2
4 / -1

A vessel contains 32 g of O₂ at a temperature T. The pressure of the gas is p. An identical vessel containing 4 g of H₂at a temperature 2T has a pressure of

A
8p

B
4p

C
p

D

Solution
Question 3
4 / -1

A
1.40

B
1.50

C
1.53

D
3.07

Solution
Question 4
4 / -1

The mean kinetic energy of one mole of gas per degree of freedom (on the basis of kinetic theory of gases) is

A

B

C

D

Solution
Question 5
4 / -1

If γ is the ratio of specific heat and R is the universal gas constant, then the molar specific heat at constant volume C_v is given by

A

B

C

D

Solution
Question 6
4 / -1

The volume of a gas at pressure 21 × 10⁴ Nm^–2 and temperature 27^o C is 83 Litres. If R = 8.3 J mol^–1K^–1. Then the quantity of gas in g–mole will be

A
42

B
7

C
14

D
15

Solution
Question 7
4 / -1

The ratio of mean kinetic energy of hydrogen and oxygen at a given temperature is

A
1:8

B
1:4

C
1:16

D
1:1
Question 8
4 / -1

At what temperature is the kinetic energy of a gas molecule double that of its value at 27^o C

A
54^o C

B
108^o C

C
327^o C

D
300^o C

Solution
Question 9
4 / -1

At O K which of the follwing properties of a gas will be zero

A
Kinetic energy

B
Density

C
Potential energy

D
Vibrational energy
Question 10
4 / -1

The average kinetic energy of hydrogen molecules at 300 K is E. At the same temperature the average kinetic energy of oxygen molecules will be

A

B
E

C
4E

D

Solution