Question 1 :
The root mean square value of the speed of the molecules in a fixed mass of an ideal gas is increased by increasing

Question 2 :
The product of the pressure and volume of an ideal gas is

Question 4 :
The given {tex} P - V {/tex} curve is predicted by<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5d5fcc11d3eb695bc07eb238"><br>

Question 5 :
When a vander waals gas undergoes free expansion then its temperature

Question 7 :
Six molecules speeds 2 unit, 5 unit, 3 unit, 6 unit, 3 unit, and 5 unit respectively. The rms speed is

Question 9 :
The pressure is exerted by the gas on the walls of the container because

Question 10 :
Saturated vapour is compressed to half is volume without any change in temperature, then the pressure will be

Question 11 :
The kinetic theory of gases states that the average squared velocity of molecules varies linearly with the mean molecular weight of the gas. If the root mean square (rms) velocity of oxygen molecules at a certain temperature is 0.5{tex} \mathrm { km } / \mathrm { sec } {/tex} . The rms velocity for hydrogen molecules at the same temperature will be:

Question 12 :
If 2 moles of an ideal monatomic gas at temperature {tex} \mathrm { T } _ { 0 } {/tex} is mixed with 4 moles of another ideal monatomic gas at temperature 2{tex} \mathrm { T } _ { 0 } {/tex} , then the temperature of the mixture is

Question 13 :
The work of 146{tex} \mathrm { kJ } {/tex} is performed in order to compress one kilomole of gas adiabatically and in this process the temperature of the gas increases by {tex} 7 ^ { \circ } \mathrm { C } {/tex} . The gas is {tex} \left( R = 8.3 \mathrm { J } \mathrm { mol } ^ { - 1 } \mathrm { K } ^ { - 1 } \right) {/tex}

Question 15 :
Two vessels separately contain two ideal gases {tex} A {/tex} and {tex} B {/tex} at the same temperature. The pressure of A being twice that of B. Under such conditions, the density of {tex} A {/tex} is found to be 1.5 times the density of {tex} B {/tex} . The ratio of molecular weight of {tex} A {/tex} and {tex} B {/tex} is:

Question 16 :
Figure shows the variation in temperature {tex} ( \Delta \mathrm { T } ) {/tex} with the amount of heat supplied {tex} ( \mathrm { Q } ) {/tex} in an isobaric process corresponding to a monoatomic {tex} ( \mathrm {M } ) {/tex}, diatomic {tex} ( \mathrm {D } ) {/tex} and a polyatomic {tex} ( \mathrm {P } ) {/tex} gas. The initial state of all the gases are the same and the scales for the two axes coincide. Ignoring vibrational degrees of freedom, the lines {tex} a , b {/tex} and {tex} c {/tex} respectively correspond to<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5d5fcbafd3eb695bc07eb1e7">

Question 17 :
The adjoining figure shows graph of pressure and volume of a gas at two tempertures {tex} T _ { 1 } {/tex} and {tex} T _ { 2 } {/tex} . Which of the following<br>inferences is correct?<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5d5fcbe506864d5bec7be9c8">

Question 18 :
A graph is plotted with PV/T on y-axis and mass of the gas along {tex} x {/tex} -axis for different gases. The graph is