Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 4 √2 43834 43832 4 √2 43834 43832 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 Of the same acidity More acidic Neutral Basic Of the same acidity More acidic Neutral Basic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in temperature, the heat capacity of a substance Either A or B; depends on the substance Decreases Remains unchanged Increases Either A or B; depends on the substance Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is 540 40732 2263 2676 540 40732 2263 2676 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) 4480 2240 1120 0.4 4480 2240 1120 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The osmotic pressure of a solution is directly proportional to the Absolute temperature of a given concentration All of these Lowering of vapor pressure Molecular concentration of the solute Absolute temperature of a given concentration All of these Lowering of vapor pressure Molecular concentration of the solute ANSWER DOWNLOAD EXAMIANS APP