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 5 10 15 20 5 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Viscosity of atmospheric air may be about __________ centipoise. 0.015 1.5 150 15 0.015 1.5 150 15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Hess's law of constant heat summation is based on conservation of mass. It deals with Changes in heat of reaction Reaction rate None of these Equilibrium constant Changes in heat of reaction Reaction rate None of these Equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is 0.6 0.2 0.8 0.4 0.6 0.2 0.8 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solutions which distil without change in composition are called Supersaturated Ideal Saturated Azeotropic Supersaturated Ideal Saturated Azeotropic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the Equivalent weight of the metal is 8 Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 4 Equivalent weight of the metal is 8 Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 4 ANSWER DOWNLOAD EXAMIANS APP
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