Stoichiometry Average molecular weight of air is about 29 21 79 23 29 21 79 23 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 Both B and C ΔH = 0 ΔV = 0 ΔH = 1 (+ ve)and Δ V = -ve Both B and C ΔH = 0 ΔV = 0 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Increases its boiling point Increases its freezing point Decreases its freezing point Both B and C Increases its boiling point Increases its freezing point Decreases its freezing point Both B and C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be More acidic Basic Of the same acidity Neutral More acidic Basic Of the same acidity Neutral ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules Do not exert attractive force on each other Are above the inversion temperature Do not lose energy on collision Do work equal to loss in kinetic energy Do not exert attractive force on each other Are above the inversion temperature Do not lose energy on collision Do work equal to loss in kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Cp - Cv, for an ideal gas is equal to 3R 2R R/2 R 3R 2R R/2 R ANSWER DOWNLOAD EXAMIANS APP