At 1 atm and 273 K the volume of nitrogen gas required to cover a sample of silica gel, assuming Langmuir monolayer adsorption , is found to be `1.30 cm^(3)g^(-1)` of the gel. The area occupied by a nitrogen molecule is `0.16nm^(2)`. Find out the no. of surface sites occupied per molecule of `N_(2)`.
`5.568 m^(2)g^(-1)`,
`3.34 m^(2) g^(-1)` ,
`1.6 m^(2) g^(-1)` ,
none of these .
10% sites of catalyst bed have adsorbed by H_(2) on Heating H_(2) gas is evloved from sites and collected at 0.03 atm and 300 K in a small vessel of 2.46 cm^(3) . no. of sites available is 5.4 xx 10^(16) per cm^(2) and surface area is 1000 cm ^(2) . find out the no. of suface sites occupied per molecule of H_(2) . 1, 2, 3, none of these.
Calculate the volume of 0.1 M NaOH solution required to neutralize the solution produced by dissolving 1.1 g of P_4O_6 in water.
Productivity is the rate of production of biomass expressed in terms of: (kcal m^(-3)) yr^(-1) g^(-2) yr^(-1 ) g^(-1) yr^(-1) kcak m^(-2) yr^(-1)
100 mL of 0.6 M acetic acid is shaken with 2 g activated carbon . The final concentration solution after adsorption is 0.5 M. what is the amount of acetic acid adsorbed per gram of carbon ? 0.6 g, 0.3 g, 1.2 g, none of these.
Find the number of molecules in 1.8 g of H_2O .
Indicate the correct statement for equal volumes of N_(2)(g) and CO_(2)(g) at 25^(@)C and 1 atm.
A sample of 16 g charcoal was brought into contact with CH_(4) gas contained in a vessel of 1 litre at 27^(@) C . The pressure of gas was found to fall from 760 to 608 torr. The density of chacoal sample is 1.6 g//m^(3) . What is the volume of the CH_(4) gas adsorbed per gram of the adsorbent at 608 torr and 27^(@)C ? 125 L//g , 16.25 mL//g , 26 mL//g , none of these .
3.6 gram of oxygen of adsorbed on 1.2 g of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at 1 atm and 273 K ?
20g of ideal gas contains only atoms of S and O occupies 5.6 L at 1 atm and 273K. what is the molecular mass of gas ?
Calculate the volume occupied by 8.8 g of CO_(2) at 31.1^(@)C and 1 bar pressure. R = 0.083 bar LK^(-1)mol^(-1) .
