Question

4 L of dinitrogen reacted with 22.7 L of dioxygen and 45.4 L of nitrous oxide was formed. The reaction is given below: 2N2(g) + O2(g) —> 2N2O(g) Which law is being obeyed in this experiment? Write the statement of the law.

Propane burns in oxygen: \mathrm{C3H8 + 5O2 \rightarrow 3CO2 + 4H_2O}. If 100 cm³ of propane is burnt in 600 cm³ of oxygen, find (i) the volume of unused oxygen and (ii) the volume of carbon dioxide formed. All volumes are measured at the same temperature and pressure, and the steam is condensed.