Stoichiometry The total number of atoms in 8.5 gm of NH₃ is __________ x 1023. 1.204 3.01 9.03 6.02 1.204 3.01 9.03 6.02 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to Increase in molecular attraction Increase in average molecular speed Increased collision rate among molecules Decrease in mean free path Increase in molecular attraction Increase in average molecular speed Increased collision rate among molecules Decrease in mean free path ANSWER DOWNLOAD EXAMIANS APP
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) 0.4 4480 2240 1120 0.4 4480 2240 1120 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 Remain unaltered Increase nine fold Decrease three fold Increase three fold Remain unaltered Increase nine fold Decrease three fold Increase three fold ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Degrees of freedom will be equal to the number of components for a system comprising of Only soluble liquid components None of these Two liquid components and one solute (soluble in both the liquids) Partially miscible two liquid components system having two phases Only soluble liquid components None of these Two liquid components and one solute (soluble in both the liquids) Partially miscible two liquid components system having two phases 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. 10 70 20 100 10 70 20 100 ANSWER DOWNLOAD EXAMIANS APP
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