Stoichiometry Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules Do work equal to loss in kinetic energy Are above the inversion temperature Do not exert attractive force on each other Do not lose energy on collision Do work equal to loss in kinetic energy Are above the inversion temperature Do not exert attractive force on each other Do not lose energy on collision ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 27 5.4 54 2.7 27 5.4 54 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong conversion formula for the conversion of weight units : 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 tonne = 1000 kg = 22.046 lbs ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Colligative properties of a dilute solution are those, which depend entirely upon the Chemical composition of the solute None of these Constitution of the solute Number of solute molecules contained in a given volume of the solvent Chemical composition of the solute None of these Constitution of the solute Number of solute molecules contained in a given volume of the solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Solution Fusion Combustion Formation Solution Fusion Combustion Formation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality? Use of equation of state Fugacity co-efficient None of these Activity co-efficient Use of equation of state Fugacity co-efficient None of these Activity co-efficient ANSWER DOWNLOAD EXAMIANS APP
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