Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Total energy Intermolecular forces Potential energy Kinetic energy Total energy Intermolecular forces Potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Approach zero at 0°C Remains unchanged Decreases Increases Approach zero at 0°C Remains unchanged Decreases Increases 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) 140 345 485 350 140 345 485 350 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor. Superheated Dry gaseous Saturated Unsaturated Superheated Dry gaseous Saturated Unsaturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent? Temperature Nature of solute Nature of solvent Pressure Temperature Nature of solute Nature of solvent Pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change. Internal energy Entropy Enthalpy Gibbs free energy Internal energy Entropy Enthalpy Gibbs free energy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS