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. 92 -92 46 -23 92 -92 46 -23 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Unit of power is Joule/Second Watt Both B & C Joule Joule/Second Watt Both B & C Joule ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Internal energy of a substance comprises of the __________ energy. All of these Rotational Translational Vibrational All of these Rotational Translational Vibrational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Either A or B; depends on the concentration of the solution. increase. Decrease. Remain unchanged. Either A or B; depends on the concentration of the solution. increase. Decrease. Remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its Molality Weight % of the solute Molarity Mole fraction of the solute Molality Weight % of the solute Molarity Mole fraction of the solute ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution with reasonably permanent pH is called a/an __________ solution. Buffer Ideal Colloidal Non-ideal Buffer Ideal Colloidal Non-ideal ANSWER DOWNLOAD EXAMIANS APP