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. -23 -92 92 46 -23 -92 92 46 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Number of gm moles of solute dissolved in one litre of a solution is called its Equivalent weight Molality Normality Molarity Equivalent weight Molality Normality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is 760 380 630 880 760 380 630 880 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 70 10 20 100 70 10 20 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Degrees of freedom will be equal to the number of components for a system comprising of Two liquid components and one solute (soluble in both the liquids) Only soluble liquid components None of these Partially miscible two liquid components system having two phases Two liquid components and one solute (soluble in both the liquids) Only soluble liquid components None of these Partially miscible two liquid components system having two phases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 0.58 0.2 1.72 0.5 0.58 0.2 1.72 0.5 ANSWER DOWNLOAD EXAMIANS APP
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