Gas Volumes
5 past-paper questions on Gas Volumes · examined 2020–2024.
20242 questions
A 25.0 cm3 sample of 0.133 mol / dm3 NH4NO2 is completely decomposed. Calculate the volume of nitrogen formed, measured at room temperature and pressure. Give your answer to two significant figures.
A 35.0 cm3 sample of 0.266 mol / dm3 H2O2 is completely decomposed. Calculate the volume of oxygen formed, measured at room temperature and pressure. Give your answer to two significant figures.
20232 questions
The volume of gas produced by the reaction of 100 cm3 of hydrochloric acid with an excess of calcium carbonate is measured in two experiments. The volumes of gas are measured at r.t.p. and the results are shown. Which one change in conditions to experiment 1 gives the results for experiment 2?
Calculate the volume, measured at r.t.p., of carbon dioxide produced, in cm3, when 2.65 g of sodium carbonate reacts with excess hydrochloric acid.
20201 question
A sample of 6.08 g of FeSO4 is heated until all the sample has thermally decomposed. Calculate the volume of sulfur dioxide formed, SO2(g), in dm3, measured at room temperature and pressure.
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