Stoichiometry During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change. Gibbs free energy Enthalpy Entropy Internal energy Gibbs free energy Enthalpy Entropy Internal energy 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 4 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Equivalent weight of the metal is 8 Atomic weight of the metal is 4 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kopp's rule is useful for the determination of Heat capacities of gases Molal heat capacities of gases Heat capacities of solids Activation energy Heat capacities of gases Molal heat capacities of gases Heat capacities of solids Activation energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is 7 > 7 < 7 Constant over a wide range 7 > 7 < 7 Constant over a wide range ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Heat of vaporisation Heat of fusion Melting point Both B & C Heat of vaporisation Heat of fusion Melting point Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Increases Increases linearly Decreases Remains unchanged Increases Increases linearly Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP