Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 720 200 180 60.3 720 200 180 60.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C? L/3 x 298/273 43832 43864 43833 L/3 x 298/273 43832 43864 43833 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively? 756.2 780.5 801.5 880.5 756.2 780.5 801.5 880.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +180 -109.5 +100 +109.5 +180 -109.5 +100 +109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The osmotic pressure of a solution is directly proportional to the Molecular concentration of the solute Absolute temperature of a given concentration All of these Lowering of vapor pressure Molecular concentration of the solute Absolute temperature of a given concentration All of these Lowering of vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-10 10-11 10-3 10-13 10-10 10-11 10-3 10-13 ANSWER DOWNLOAD EXAMIANS APP
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