Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids heavier than water? (141.5/G) - 131.5 145 - (145/G) (400/G) - 400 200(G-1) (141.5/G) - 131.5 145 - (145/G) (400/G) - 400 200(G-1) 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 0.4 1120 2240 4480 0.4 1120 2240 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the Neither A nor B Both A & B Temperature Solute concentration Neither A nor B Both A & B Temperature Solute concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be -273°C 0°K - 136.5°K -136.5°C -273°C 0°K - 136.5°K -136.5°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Increases with pressure rise Decreases with increasing pressure Becomes zero at the critical point Both B & C Increases with pressure rise Decreases with increasing pressure Becomes zero at the critical point Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 200 180 720 60.3 200 180 720 60.3 ANSWER DOWNLOAD EXAMIANS APP
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