Stoichiometry For a reacation, X → Y, if the concentration of 'X' is tripled; the rate becomes nine times. The order of reaction is 2 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Remains unchanged Either A or B; depends on the liquid Increases Decreases Remains unchanged Either A or B; depends on the liquid Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Remains unchanged Decreases Increases Approach zero at 0°C Remains unchanged Decreases Increases Approach zero at 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 54 2.7 5.4 27 54 2.7 5.4 27 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C? 43864 L/3 x 298/273 43832 43833 43864 L/3 x 298/273 43832 43833 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is 20 58.65 32.2 45.35 20 58.65 32.2 45.35 ANSWER DOWNLOAD EXAMIANS APP
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