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 Intermolecular forces of attraction Kinetic energy Potential energy Total energy Intermolecular forces of attraction Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Exert no attractive force on each other Are above the inversion temperature Collide without loss of energy Do work equal to loss in kinetic energy Exert no attractive force on each other Are above the inversion temperature Collide without loss of energy Do work equal to loss in kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Combustion Formation Fusion Solution Combustion Formation Fusion Solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In __________ process, ions of salts react with water to produce acidity or alkalinity. Dialysis Hydrolysis Hydration Electrolysis Dialysis Hydrolysis Hydration Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ? ΔH = 1 (+ ve)and Δ V = -ve ΔH = 0 ΔV = 0 Both B and C ΔH = 1 (+ ve)and Δ V = -ve ΔH = 0 ΔV = 0 Both B and C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Remains unchanged Increases linearly Decreases Increases Remains unchanged Increases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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