At STP , 0.50 mole `H_(2)` gas and 1.0mole He gas

At STP, 0.50 mole H_(2) gas and 1.0 mole He gas

At STP, 0.50 mole H_(2) gas and 1.0 mole He gas

At STP, 0.50 mol H_(2) gas and 1.0 mol He gas "______________" .

At STP, 0.50 mol H2 gas and 1.0 mol He gas (I) have equal average kinetic energies (II) have equal density (III) have equal mass

At S.T.P. 0.50 mol of H_(2) gas and 1.-0 mol of He gas

A container has 1 mole of some gas and 2 mole of other gas has volume 1 m^3 at 27^0 C . Find the pressure of the gas in kPa.

What is volume of carbondioxide , CO_2 occupying by (i) 5 moles and (ii) 0.5 mole of CO_2 gas measured at STP.