1 mole of N₂ and 2 moles of H₂ are allowed to react in a 1 dm3 vessel. At equilibrium 0.8 mole of NH₃ is formed. The concentration of H₂ in the vessel is
The heat absorbed at constant volume is equal to the system's change in
The amount of heat required to raise the temperature of a body temperature through 1oC is called, its
Which is not the resonance structure of aniline?
The amount of K₂Cr₂O₇ required to prepare 100 ml of its 0•05 N solution is