Chemistry
Ammonia burns in oxygen and combustion, in the presence of a catalyst, may be represented by 2NH<sub>3</sub> + 2 O<sub>2</sub> 2NO + 3H<sub>2</sub>O [H = 1, N = 14, O = 16] What mass of steam is produced when 1.5 g of nitrogen monoxide is formed?
Related Questions
Solid ammonium dichromate decomposes as under:
(NH₄)₂Cr₂O₇ ⟶ N₂ + Cr₂O₃ + 4H₂O
If 63 g of ammonium dichromate decomposes. Calculate
(a) the quantity in moles of (NH₄)₂Cr₂O₇
(b) the quantity in moles of nitrogen formed.
(c) the volume of N₂ evolved at S.T.P.
(d) the loss of mass
(e) the mass of chromium (III) oxide formed at the same time.
Hydrogen sulphide gas burns in oxygen to yield 12.8 g of sulphur dioxide gas as under:
2H2S + 3O2 ⟶ 2H2O + 2SO2
Calculate the volume of hydrogen sulphide at S.T.P. Also, calculate the volume of oxygen required at S.T.P. which will complete the combustion of hydrogen sulphide determined in (litres).
If a crop of wheat removes 20 kg of nitrogen per hectare of soil, what mass of the fertilizer, calcium nitrate Ca(NO3)2 would be required to replace the nitrogen in a 10 hectare field ?
In an Experiment, 6.21 g of lead is combined with 4.26 g of chlorine. What is the empirical formula of the resulting compound?