Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 12 40 48 96 12 40 48 96 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Increases Decreases Does not vary Varies linearly Increases Decreases Does not vary Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Is not dependent on the temperature Measures the elevation in boiling point Measures the depression in freezing point Is a function of the liquid phase composition Is not dependent on the temperature Measures the elevation in boiling point Measures the depression in freezing point Is a function of the liquid phase composition ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Are above the inversion temperature Do work equal to loss in kinetic energy Collide without loss of energy Exert no attractive force on each other Are above the inversion temperature Do work equal to loss in kinetic energy Collide without loss of energy Exert no attractive force on each other ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The depression in freezing point of a solution is Directly proportional to the mole of solute Inversely proportional to the mass of solvent Neither A nor B Both A & B Directly proportional to the mole of solute Inversely proportional to the mass of solvent Neither A nor B Both A & B 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 Total energy Potential energy Intermolecular forces of attraction Kinetic energy Total energy Potential energy Intermolecular forces of attraction Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
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