Stoichiometry A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be - 136.5°K -136.5°C -273°C 0°K - 136.5°K -136.5°C -273°C 0°K ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Measures the depression in freezing point Is a function of the liquid phase composition Measures the elevation in boiling point Is not dependent on the temperature Measures the depression in freezing point Is a function of the liquid phase composition Measures the elevation in boiling point Is not dependent on the temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 6 8 12 10 6 8 12 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Potential energy Total energy Kinetic energy Intermolecular forces of attraction Potential energy Total energy Kinetic energy Intermolecular forces of attraction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the smallest least effect on the solubility of a solute into the solvent? Temperature Nature of the solute Nature of the solvent Pressure Temperature Nature of the solute Nature of the solvent Pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is CS₂ > H₂O > C₂H₅OH H₂O > CS₂ > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH H₂O > CS₂ > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > C₂H₅OH > CS₂ ANSWER DOWNLOAD EXAMIANS APP
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