What will be the pressure of the gas mixture when `0.5 L` of `H_(2)` at `0.8` bar `2.0 L` of oxygen at `0.7` bar are introduced in a `1L` vessel at `27^(@)C` ?

What will be the pressure of the gasesous mixture when 0.5L of H_(2) at 0.8 bar and 2.0L of dioxygen at 0.7 bar are introduced in a 1L vessel at 27^(@)C ?

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^@C ?

What will be the pressure of the gaseous mixture when 0.5 L of H_(2) at 0.8 bar and 2.01 of dioxygen at 0.7 bar are introduced in a 1L vessel at 27^(@)C ?

What will be the pressure of the gas mixture when 0.5 L of H^2 at 0.8 bar and 2.0L of oxygen at 0.7 bar are introduced in a 1L vessel at 27^@C ?

What will be the pressure of the gas mixture when 0.5 litre of H_(2) at 0.8 bar and 2.0 litre of oxygen at 0.7 bar are introduced in a 1 litre vessel at 27^(@)C .