The density of steam at `100.0^@C` and `1x10^5` Pa is 0.6 `kgm^(-3)` Calculate the compressibility factor (z) from these data.

Count the number of tn and m bonds in 1, 3-pentadiene. Calculate, the compressibility factor for 1.0 mol sample of NH_3 present in a 500 ml vessel-at a pressure of 30.0 atm. the temperature being 10.0^@C . What would be the ideal pressure for 1.0. mol of NH_3 at -10.0^@C in a 500 ml vessel.?

For a reaction the specific reaction rate constant at 35^@C and 65^@C are 6.65xx10^(-5) 5^(-1) and 2.24xx10^(-3) 5^(-1 calculate frequancy factor for the reaction.

The radius of earth is 6.37xx10^6 m , its mean density is 5.5 g*cm^(-3) . Calculate the earth's surface potential.

The uncertainity in the momentum of an electron is 10^(-5) kgms^(-1) .Calculate the uncertainity of its position. [h = 6. 62 xx 10^(-34) JS] .

The approximate depth of an ocean is 2700 m. The compressibility of water is 45.4 times 10^-11 Pa^-1 and density of water is 10^3kg//m^3 . What fractional compression of water will be obtained at the bottom of the ocean?

The rate constants of a reaction at 35^(@)C and 65^(@)C " are " 6.65xx10^(-5)s^(-1) and 2.24xx10^(-3)s^(-1) respectively. Calculate the frequency factor of the reaction.

At 100^(@)C and 1 atm pressure, the densities of water and water and water vapour are 1.0 g*mL^(-1) and 0.0006 g*mL^(-1) respectively. What is the total volume of water molecules in 1 litre of steam at 100^(@)C ?

Compressibility factor of a real gas at 0^(@)C and 100 atm pressure is 0.927. at this temperature and pressure, how much of this real gas is required to fill a vessel of 100 L [molar mass= 40g*mol^(-1) ] ?

A sample of 0.1 g of water at 100^(@)C and normal pressure (1.013 xx 10^(5) N cdot m^(-2)) requires 54 cal of heat energy to convert to steam at 100^(@)C . If the volume of the steam produced is 167.1 cc, the change in internal energy of the sample is

0.6 mL of acetic acid (CH_3COOH) , having density 1.06g mL^-1 , is dissolved in 1 litre of water. The depression in freezing point observed for this strength of acid was 0.0205^@C . Calculate the van't Hoff factor and the dissociation constant of acid