If the rate of diffusion of gas $A$ is five times that of gas $B$,what will be the ratio of the densities of $A$ and $B$?

Define surface tension and provide its dimensions and $SI$ unit.

Which shape does a liquid have in its lowest energy state?

The unit of pressure is equivalent to which of the following?

The ratio of rates of diffusion of gases $A$ and $B$ is $1 : 0.707$. If the molecular weight of $B$ is $32$,the molecular weight of $A$ is

Consider the following statements: For diatomic gases,the ratio $C_p/C_v$ is equal to:
$1$. $1.40$ (lower temperature)
$2$. $1.66$ (moderate temperature)
$3$. $1.29$ (higher temperature)
Which of the above statements are correct?