Stoichiometry Average molecular weight of air is about 29 23 79 21 29 23 79 21 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Remains unchanged Decreases Increases linearly Increases Remains unchanged Decreases Increases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The osmotic pressure of a solution is directly proportional to the Absolute temperature of a given concentration Lowering of vapor pressure Molecular concentration of the solute All of these Absolute temperature of a given concentration Lowering of vapor pressure Molecular concentration of the solute All of these 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 -136.5°C 0°K -273°C - 136.5°K -136.5°C 0°K -273°C - 136.5°K 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) 1120 0.4 4480 2240 1120 0.4 4480 2240 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atoms of the same element, but of different masses are called None of these Isobars Isotones Isotopes None of these Isobars Isotones Isotopes ANSWER DOWNLOAD EXAMIANS APP