Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. 46 -23 -92 92 46 -23 -92 92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Concentration of a solution expressed in terms of __________ is independent of temperature. None of these Normality Molality Molarity None of these Normality Molality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In physical adsorption, as compared to chemisorption, the Rate of adsorption is controlled by the resistance to surface reaction Quantity adsorbed per unit mass is higher Heat of adsorption is very large Activation energy is very high Rate of adsorption is controlled by the resistance to surface reaction Quantity adsorbed per unit mass is higher Heat of adsorption is very large Activation energy is very high ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One micron is equal to __________ cm. 44108 44112 44106 44110 44108 44112 44106 44110 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Colligative properties of a dilute solution are those, which depend entirely upon the 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 Chemical composition of the solute None of these Constitution of the solute ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in temperature, the heat capacity of a substance Decreases Either A or B; depends on the substance Increases Remains unchanged Decreases Either A or B; depends on the substance Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP