Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. Equal to More than Either more or less; depends on the solvent Less than Equal to More than Either more or less; depends on the solvent Less than ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases linearly Remains unchanged Increases Decreases Increases linearly Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The total number of atoms in 8.5 gm of NH₃ is __________ x 1023. 1.204 3.01 6.02 9.03 1.204 3.01 6.02 9.03 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? None of these Conversion of graphite to diamond Decomposition of water Dehydrogenation of ethane to ethylene None of these Conversion of graphite to diamond Decomposition of water Dehydrogenation of ethane to ethylene ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sugar solution containing __________ percent sugar is equivalent to 1 Brix. 1 0.01 10 0.1 1 0.01 10 0.1 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 < Xw < 0.5 Xw = 0.5 0.5 < Xw < 1.0 Xw = 1.0 0 < Xw < 0.5 Xw = 0.5 0.5 < Xw < 1.0 ANSWER DOWNLOAD EXAMIANS APP
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