Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 1000 10000 10 100 1000 10000 10 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pressure of 'V' litres of a dry gas is increased from 1 to 2 kgf/cm² at a constant temperature. The new volume will become 2V V/2 V² V/4 2V V/2 V² V/4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. 46 92 -23 -92 46 92 -23 -92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Number of gram equivalent of solute dissolved in one litre of solution is called its Molality Normally Molarity Formality Molality Normally Molarity Formality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same. None of these Humidity Compressibility Molecular weight None of these Humidity Compressibility Molecular weight ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies Xw = 1.0 0.5 < Xw < 1.0 Xw = 0.5 0 < Xw < 0.5 Xw = 1.0 0.5 < Xw < 1.0 Xw = 0.5 0 < Xw < 0.5 ANSWER DOWNLOAD EXAMIANS APP
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