Kinetic Theory ...

Which of the following statements about kinetic theory of gases is wrong

The pressure in the tyre of a car is four times the atmospheric pressure at $$300\, K$$. If this tyre suddenly bursts, its new temperature will be $$(\gamma = 1.4)$$

The specific heat of a monatomic gas at constant volume is $$0.075 kcal$$ $$  k g^{-1} K^{-1} .  $$ Its atomic weight will be

A vessel contains 3.20 g of oxygen and $$2.80 g$$ of nitrogen. The vessel is moving with a velocity $$100 \mathrm { m } / \mathrm { s }$$ . The vessel is suddenly stopped. Find the change in temperature -

The mass of litre of dry air at N.T.P is 1.293 g . Find the mass of 3 litres of air at $$117^oC$$ and a pressure of 4 atmospheres _____.

The mean free path of nitrogen molecules at a pressure of 1.0 atm and temperature $$ 0^0 C $$ is $$ 0.8 \times  10^{-7} m $$. If the number of density of molecules is $$ 2.7 \times 10^{25} $$ per $$ m^3 $$, then the molecular diameter is 

The temperature at which the rms of a hydrogen molecule is equal to that of an oxygen molecule at $$47^{\circ}C$$  is  

A sample of gas is at $$0^{\circ}C$$. To what temperature must it be raised in order to double the rms speed of its molecules?

The specific heat of a substance is $$0.09 cal/gm^oC$$. If the temperature is measured on Pahrenhelt scale the value of its specific heat in $$cal/gm/^oF$$ is _________.

Heat capacity at constant temperature and constant pressure for $${ H }_{ 2 }$$ is :-