Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.9 0.95 0.8 0.98 0.9 0.95 0.8 0.98 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Size range of the colloidals particles is 500 - 1000 microns 5 - 200 milli-microns 10 - 50 Angstrom 50 - 200 microns 500 - 1000 microns 5 - 200 milli-microns 10 - 50 Angstrom 50 - 200 microns ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong conversion formula for the conversion of weight units : 1 tonne = 1000 kg = 22.046 lbs 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these 1 tonne = 1000 kg = 22.046 lbs 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become 9P 3P 9P² P/3 9P 3P 9P² P/3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids. Non-polar Both A & B Polar Neither A nor B Non-polar Both A & B Polar Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is 170 85 30 15 170 85 30 15 ANSWER DOWNLOAD EXAMIANS APP
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