Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 75

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Weekly Quiz Competition

Question 1
4 / -1

At what temperature the molecules of nitrogen will have the same rms. velocity as the molecules of Oxygen at 127^o C.

A
273^o C

B
350^o C

C
77^o C

D
457^o C

Solution
Question 2
4 / -1

The temperature of an ideal gas is increased from 27^o C to 127^o C, then percentage increase in v_rms is

A
33%

B
11%

C
15.5%

D
37%

Solution
Question 3
4 / -1

A
2

B
4

C
0.5

D
1

Solution
Question 4
4 / -1

At which temperature the velocity of O₂ molecules will be equal to the rms velocity of N₂ molecules at 0^o C

A
93^o C

B
40^o C

C
39^o C

D
can not be calculated.

Solution
Question 5
4 / -1

At what temperature, pressure remaining unchanged, will the rms velocity of a gas be half its value at O^o C ?

A
204.75 K

B
204.75^o C

C
–204.75 K

D
–204.75^o C

Solution
Question 6
4 / -1

The rms velocity of gas molecules is 300 ms^–1. The rms velocity of molecules of gas with twice the molecular weight and half the absolute temperature is

A
300 ms^–1

B
150 ms^–1

C
600 ms^–1

D
75 ms^–1

Solution
Question 7
4 / -1

Calculate the temperature at which rms velocity of SO₂ molecules is the same as that of O₂ molecules at 27^o C. Molecular weights of Oxygen and SO₂ are 32 g and 64 g respectively

A
327^o C

B
327 K

C
127^o C

D
227^o C

Solution
Question 8
4 / -1

A
0.45

B
2.24

C
3.16

D
0.32

Solution
Question 9
4 / -1

When the temperature of a gas is raised from 27^o C to 90^o C , the percentage increase in the rms velocity of the molecules will be

A
15%

B
17.5%

C
10%

D
20%

Solution
Question 10
4 / -1

The temperature at which the rms speed of hydrogen molecules is equal to escape velocity on earth surface will be

A
5030 K

B
10063 K

C
1060 K

D
8270 K

Solution