What will be the pressure of the gaseous mixture when '0.5 ~L' of 'H_2' at '0.8' bar and '2.0' L of dioxygen at '0.7' bar are introduced in a '1 L' vessel at '27^circ C' ?

Calculate the 'total pressire in a mixture of 8gm of dioxygen and '4 g' of dihydrogen confined in a vessel of '1 dm^3' at '27^circ C . R=0.083' bar 'dm^3 K^(-1) mol^(-1)'

Calculate the total pressure in a mixture of 3.5 g of dinitrogen and 16 g of dioxygen confined in a vessel of 2 dm^3 at 27^@C . (R = 0.083 bar dm^3k^-1mol^-1)

Calculate the total pressure in bar in a mixture of 8g of O_2 and 4g of H_2 confined in a vessel of 1dm^3 at 27^@C .

Pay load is defined as the difference between the mass of displaced air. and the mass : of the balloon. Calculate the pay load when a balloon of radius '10 m', mass '100 kg' is filled with helium at '1.66' bar at '27^circ C' (Density of air '=1.2 kg m^(-3), R=0.083' bar '.d m^3 K^(-1) m o l^(-1))'

A 2L container at 300 K holds a gaseous mixture of 0.2 g of He, 1.6 g of CH_(4) and 2.2g of CO_(2). The pressure of mixture is

If the density of methanol is '0.793kgL^(-1)', what is its volume needed for making '2.5 L' of its '0.25M' solution?

A sample of hydrogen gas occupies a volume of 300 ml at 1.2 Bar pressure and 5° C. Calculate its volume at 0.45 bar pressure and 70° C.

A sample of hydrogen gas occupies a volume of 300 ml at 1.2 bar pressure and 5^@C . Calculate its volume ar 0.45 bar pressure and 70^@C .

Calculate the enthalpy change on freezing of '1.0 mol' of water at '10.0^circ C' to ice at '-10.0^circ C . Delta_( fus) H=6.03 kJ mol^(-1)' at '0^circ C .' 'C_p[H_2 O(t)]=7 5 . 3 J m o l^(-1) K^(-1)' 'C_p[H_2 O(s)]=36.8 J mol^(-1) K^(-1)'