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 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 630 760 380 880 630 760 380 880 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Total energy at a point comprises of __________ energy. Pressure All of these Internal Potential & kinetic Pressure All of these Internal Potential & kinetic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Colligative properties of a dilute solution are those, which depend entirely upon the Chemical composition of the solute Constitution of the solute None of these Number of solute molecules contained in a given volume of the solvent Chemical composition of the solute Constitution of the solute None of these Number of solute molecules contained in a given volume of the solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Average molecular weight of air is about 79 29 23 21 79 29 23 21 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is 80.1°C 100°C Greater than 80.1°C but less than 100°C Less than 80.1°C 80.1°C 100°C Greater than 80.1°C but less than 100°C Less than 80.1°C ANSWER DOWNLOAD EXAMIANS APP
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