Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 79.62 80 78.51 80.38 79.62 80 78.51 80.38 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its Mole fraction of the solute Weight % of the solute Molality Molarity Mole fraction of the solute Weight % of the solute Molality Molarity 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 pH value of H₂SO₄ (5% concentration) is > 7 < 7 5 7 > 7 < 7 5 7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights None of these Different elevation in boiling point Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights None of these Different elevation in boiling point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B Exhibits positive deviation from Raoult's law Exhibits negative deviation from Raoult's law May exhibit either positive or negative deviation from Raoult's law Obeys Raoult's law Exhibits positive deviation from Raoult's law Exhibits negative deviation from Raoult's law May exhibit either positive or negative deviation from Raoult's law Obeys Raoult's law ANSWER DOWNLOAD EXAMIANS APP