Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Decreases Increases Increases linearly Remains unchanged Decreases Increases Increases linearly Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry How much O₂ can be obtained from 90 kg of water? 64 kg 32 kg 80 kg 90 kg 64 kg 32 kg 80 kg 90 kg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature. It will undergo no change until None of these The solvent begins to freeze out even before It will not solidify even on It will undergo no change until None of these The solvent begins to freeze out even before It will not solidify even on ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation. Relative saturation Dry bulb temperature Humidity Wet bulb temperature Relative saturation Dry bulb temperature Humidity Wet bulb temperature 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. Both A & B Polar Neither A nor B Non-polar Both A & B Polar Neither A nor B Non-polar ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 15 20 10 5 15 20 10 5 ANSWER DOWNLOAD EXAMIANS APP