Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Decreases Remains unchanged Increases linearly Increases Decreases Remains unchanged Increases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids. Neither A nor B Both A & B Non-polar Polar Neither A nor B Both A & B Non-polar Polar ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately 0.11 0.07 0.09 0.13 0.11 0.07 0.09 0.13 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 4 43832 43834 √2 4 43832 43834 √2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated molal absolute humidity of the vapor-gas mixture depends upon the Neither A nor B Both A & B Total pressure Vapor pressure at dry bulb temperature Neither A nor B Both A & B Total pressure Vapor pressure at dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Elements in a periodic table are arranged in order of their Atomic number Mass number Metallic characteristics Atomic weight Atomic number Mass number Metallic characteristics Atomic weight ANSWER DOWNLOAD EXAMIANS APP
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