A sealed container with negligible coefficient of volumetric expansion contains helium (a monoatomic gas). When it is heated from 300 K to 600 K, the average K.E. of helium atoms is

1. Halved                     

2. Unchanged

3. Doubled                   

4. Increased by factor 2

Concept Questions :-

Kinetic energy of gas
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The kinetic energy of translation of 20 gm of oxygen at 47°C is (molecular wt. of oxygen is 32 gm/mol and R = 8.3 J/mol/K)

1.  2490 joules                   

2.  2490 ergs

3.  830 joules                     

4.  124.5 joules

Concept Questions :-

Kinetic energy of gas
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The translatory kinetic energy of a gas per gm is

1.  32RTN                         

2.  32RTM

3.  32RT                           

4.  32NKT

Concept Questions :-

Kinetic energy of gas
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The kinetic energy of one gram molecules of a gas at standard temperature and pressure: R=8.31 J/mol-K

1.  0.56×104 J                           

2.  1.3×102 J

3.  2.7×102 J                             

4.  3.4×103 J

Concept Questions :-

Kinetic energy of gas
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The mean kinetic energy of a gas at 300 K is 100 J. The mean energy of the gas at 450 K is equal to

1.  100 J                             

2.  3000 J

3.  450 J                             

4.  150 J

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Read the given statements and decide which is/are correct on the basis of kinetic theory of gases

(I) Energy of one molecule at absolute temperature is zero

(II) r.m.s. speeds of different gases are same at same temperature

(III) For one gram of all ideal gas kinetic energy is same at same temperature

(IV) For one mole of all ideal gases mean kinetic energy is same at same temperature

 

1. All are correct                         

2. I and IV are correct

3. IV is correct                           

4. None of these

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The translational kinetic energy of gas molecule for one mole of the gas is equal to

1.  32 RT                               

2.  23 RT

3.  12 RT                               

4.  23 KT

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


At 27°C temperature, the kinetic energy of an ideal gas is E1. If the temperature is increased to 327°C, then kinetic energy would be

1.  2E1                               

2.  12E1

3.  2E1                           

4.  12E1

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The average kinetic energy of a gas molecule at 27°C is 6.21×10-21 J. Its average kinetic energy at 227°C will be

1. 52.2×10-21 J                           

2. 5.22×10-21 J

3. 10.35×10-21 J                         

4. 11.35×10-21 J

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The average translational kinetic energy of O2 (molar mass 32) molecules at a particular temperature is 0.048 eV. The translational kinetic energy of N2 (molar mass 28) molecules in eV at the same temperature is

1.  0.0015                 

2.  0.003

3.  0.048                   

4.  0.768

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: