At S.T.P. the value of R is ----------- `Latm K^(-1) mol^(-1)`

What is the density of SO_2 gas at 27^@C at 2 atmospheric pressure?(R = 0.08219 atm K^(-1) mol^(-1)

Calculate the total pressure in a mixuture of 8g of dioxygen and 4g of dihydrogen confined in a vessel of 1dm^3 at 27^@ . (R = 0.083 bar dm^3 K^(-1) mol^(-1)

For what value of r, ^8P_r is maximum?

Find the value of n if ""^(2n+1)P_(n-1):""^(2n-1)P_n=3:5 .

Consider a certain reaction A rarr Products with k = 2.0x10^-2 s^-1.Calculate the concentration of A after 100s if the initial concentration of A is 1.0 mol L^-1.

Show that the molar volume of an ideal gas at STP is 22.4 litres. Given R=8.31 Jmol^(-1) K^(-1) .

In a Wheatstone bridge the ratio arm P and Q are approximately equal. When R = 500Omega the bridge is balanced. On interchanging P and Q the value of R is 505Omega . Calculate the value of S.

The rate constants of a reaction at 500K and 700K are 0.02s^-1 and 0.07s^-1 respectively. Calculate value of activation energy for the reaction. (Given R = 8.314 JK^-1 mol^-1)

The rate constant of reaction is 1.5xx10^7s^-1 at 50^@C and 4.5xx10^7s^-1 at 100^@C . Calculate the value of activation energy for the energy for the reaction (R = 8.314 Jk^-1 mol^-1)

For a decomposition reaction, the values of rate constants at two different temperatures are given below: K_1 = 2.15xx10^-8 Lmol^-1s^-1 at 650k K_2 = 2.39xx10^-7 Lmol^-1s^-1 at 700k Calculate the value of activation energy for the reaction (R = 8.314 JK^-1 mol^-1 )