Stoichiometry The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes. This is the __________ law. Amgat's GayLussac's Dalton's Avogadro's Amgat's GayLussac's Dalton's Avogadro's ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. +1632.3 -1632.3 -2448.45 +816.15 +1632.3 -1632.3 -2448.45 +816.15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Freezing point elevation Vapor pressure lowering All of these Boiling point depression Freezing point elevation Vapor pressure lowering All of these Boiling point depression ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm. 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules 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 Are above the inversion temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 100 10 20 70 100 10 20 70 ANSWER DOWNLOAD EXAMIANS APP
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