In van der Waals' equation (P + (a)(V^2)` (V - b) = RT, what are the dimesions of a and b? Here, P is pressure, V is volume, T is temperature and R is gas constant.

Form the differential equation satisfied by (x-a)^2+(y-b)^2=r^2 , where a and b are arbitrary constants.

Answer the following questions based on the P-T phase diagram of CO_2 : What happens when CO_2 at 4 atm pressure is cooled from room temperature at constant pressure?

The pressure of a gas is halved at constant temperature.What will be the change in its volume?

Show that for an ideal gas C_p - C_v = R where C_p and C_v are the heat capacity at constant pressure and constant volume respectively.

In the equation PV=RT,V stands for the volume of

A vessel contains 1 mole of O_2 gas at temperature T and pressure P.An identical vessel containing 1 mole of He at temperature 2T has pressure

Answer the following questions based on the P-T phase diagram of CO_2 : Describe qualitatively the changes in a given mass of solid CO2 at 10 atm pressure and temperature 65^-@C as it is heated up to room temperature at constant pressure

For a reaction A+B rarr P , the rate is given by - Rate = [A][B]^2 What is the overall order of reaction if A is present in large excess?

Rate of a reaction is given by the equation: Rate = k[A]^2[B] . What are the units for the rate and the rate constant for this reaction?

A physical quantity P is related to four observables a, b, c and d as follows: P=( a^3b^2 )/(sqrtcd) The percentage errors of measurement in a, b, c and d are 1%,3%, 4% and 2%, respectively. What is the percentage error in/the quantity P? If the value of P calculated using the above relation turns out to be 3.763, to what value should you round off the result?