Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Solution Formation Combustion Fusion Solution Formation Combustion Fusion ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? AB₂ AB₃ A₂B A₂B₃ AB₂ AB₃ A₂B A₂B₃ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 5 0.5 3 1 5 0.5 3 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is Increased with decrease in pressure Unchanged with pressure changes Increases with rise in pressure Independent of temperature Increased with decrease in pressure Unchanged with pressure changes Increases with rise in pressure Independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state. More Less Same Either A or B; depends on the nature of the substance More Less Same Either A or B; depends on the nature of the substance ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor. Superheated Saturated None of these Supersaturated Superheated Saturated None of these Supersaturated ANSWER DOWNLOAD EXAMIANS APP
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