Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 2240 1120 0.4 4480 2240 1120 0.4 4480 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Isotonic solutions must have the same Viscosity Normality Molar concentration Critical temperature Viscosity Normality Molar concentration Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Molar heat capacity of water in equilibrium with ice at constant pressure is ∞ None of these 1 ∞ None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One Newton is equal to __________ dynes. 10⁴ 10² 10⁵ 10³ 10⁴ 10² 10⁵ 10³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.2 0.1 0.6 0.4 0.2 0.1 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will Decrease three fold Increase nine fold Remain unaltered Increase three fold Decrease three fold Increase nine fold Remain unaltered Increase three fold ANSWER DOWNLOAD EXAMIANS APP
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