Stoichiometry The heat of vaporisation __________ with increase in pressure. Both B and C Decreases Becomes zero at critical pressure Increases Both B and C Decreases Becomes zero at critical pressure Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atmospheric pressure corresponds to a hydrostatic head of 1 metre of H₂O 13.6 cms of Hg 13.6 metres of Hg 34 ft ofH₂O 1 metre of H₂O 13.6 cms of Hg 13.6 metres of Hg 34 ft ofH₂O ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. Less than Equal to Either more or less; depends on the solvent More than Less than Equal to Either more or less; depends on the solvent More than ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 3 1 0.5 5 3 1 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is 760 630 880 380 760 630 880 380 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 300° 300° 400° 273° 300° 300° 400° 273° ANSWER DOWNLOAD EXAMIANS APP