Stoichiometry The elevation in boiling point of a solution is proportional to the __________ of the solution. Normality Molarity Reciprocal of the molal concentration Molal concentration Normality Molarity Reciprocal of the molal concentration Molal concentration 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? 756.2 801.5 880.5 780.5 756.2 801.5 880.5 780.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kgf/cm² is not equal to 100 KPa = 100 000 N/m² 1 bar 10000 mm wc 1 torr 100 KPa = 100 000 N/m² 1 bar 10000 mm wc 1 torr ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The latent heat of vaporisation Becomes zero at the critical point Decreases as pressure increases Decreases with increased temperature All of these Becomes zero at the critical point Decreases as pressure increases Decreases with increased temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 140 485 350 345 140 485 350 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature. The solvent begins to freeze out even before It will undergo no change until It will not solidify even on None of these The solvent begins to freeze out even before It will undergo no change until It will not solidify even on None of these ANSWER DOWNLOAD EXAMIANS APP
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