States of Matter Test

Result

States of Matter Test - 9

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Weekly Quiz Competition

Question 1
4 / -1

What is the temperature at which the kinetic energy of 0.3 mole of helium is equal to the kinetic energy of 0.4 mole of argon at 400 K?

A
400 K

B
873 K

C
533 K

D
300 K
Question 2
4 / -1

Which of the following represents total kinetic energy of one mole of gas?

A
1/ 2RT

B
3/ 2RT

C
( C_P - C_V ) RT

D
2/ 3RT
Question 3
4 / -1

One mole of oxygen at 273 K and one mole of sulphur dioxide at 546 K are taken in two separate containers, then

A
kinetic energy of O₂ > kinetic energy of SO₂

B
kinetic energy of O₂ < kinetic energy of SO₂

C
kinetic energy of both are equal

D
None of the above

Solution
Question 4
4 / -1

The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends on

A
pressure of the gas

B
temperature of the gas

C
volume of the gas

D
pressure, volume and temperature of the gas
Question 5
4 / -1

If temperature of 1 mole of gas is increased by 50°C, then calculate the change in kinetic energy of the system.

A
623.25 J

B
6.235 J

C
623.5 J

D
6235.0 J
Question 6
4 / -1

In two vessels of 1 L each at the same temperature 1 g of H₂ and 1 g of CH₄ are taken, for these

A
V_rms values will be same

B
kinetic energy per mole will be same

C
total kinetic energy will be same

D
pressure will be same
Question 7
4 / -1

As the temperature is raised from 20°C to 40°C, the average kinetic energy of neon atoms changes by a factor of which of the following?

A
1/2

B
√313/293

C
313/293

D
2
Question 8
4 / -1

Which one of the following statements is not correct about the effect of an increase in temperature on the distribution of molecular speeds in a gas?

A
The area under the distribution curve remains the same as under the lower temperature

B
The distribution becomes broader

C
The fraction of the molecules with the most probable speed increases

D
The most probable speed increases

Solution
Question 9
4 / -1

Based on kinetic theory of gases following laws can be proved

A
Boyle's law

B
Charles' law

C
Avogadro's law

D
All of these
Question 10
4 / -1

A

B

C

D

Solution