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. 80.38 79.62 80 78.51 80.38 79.62 80 78.51 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. None of these Translational Vibrational Rotational None of these Translational Vibrational Rotational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Vapor pressure lowering Boiling point depression All of these Freezing point elevation Vapor pressure lowering Boiling point depression All of these Freezing point elevation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution with reasonably permanent pH is called a/an __________ solution. Buffer Ideal Non-ideal Colloidal Buffer Ideal Non-ideal Colloidal ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Ideal solution is formed, when its components have zero Neither A nor B Heat of mixing Both A & B Volume change Neither A nor B Heat of mixing Both A & B Volume change ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. 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 Equal to ANSWER DOWNLOAD EXAMIANS APP
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