3.5 Use of amount of substance in relation to volumes of gases

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Question 46

Ethene burns completely in oxygen.

$C2H4+3O2→2CO2+2H2O\text{C}_2\text{H}_4 + 3\text{O}_2 \rightarrow 2\text{CO}_2 + 2\text{H}_2\text{O}$

25 cm³ of ethene reacts completely. All volumes are measured at the same temperature and pressure.

What is the volume of oxygen that reacts?

[1]

$cm375\ \text{cm}^3$

$cm325\ \text{cm}^3$

$cm350\ \text{cm}^3$

$cm3100\ \text{cm}^3$

Markscheme

3.5 Use of amount of substance in relation to volumes of gases Questions

GCSE
Chemistry
3.5 Use of amount of substance in relation to volumes of gases

100 exam-style questions on AQA GCSE Chemistry 3.5 Use of amount of substance in relation to volumes of gases, covering 3.5.1 Volumes of gases. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank·3.5 Use of amount of substance in relation to volumes of gases