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3.1 States of matter

3.1 States of matter

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Question 36

Ethanol reacts with oxygen at a temperature of 85∘C85^\circ\text{C}85∘C to form carbon dioxide and water.

The boiling points of ethanol and water are shown in the table below.

SubstanceBoiling point in ∘C^\circ\text{C}∘C
Ethanol78
Water100

Use this information to add the missing state symbols to the equation for the reaction taking place.

C2H5OH(……… )+3O2(g)→2CO2(g)+3H2O(……… ) \text{C}_2\text{H}_5\text{OH}(\dots\dots\dots) + 3\text{O}_2(\text{g}) \rightarrow 2\text{CO}_2(\text{g}) + 3\text{H}_2\text{O}(\dots\dots\dots) C2​H5​OH(………)+3O2​(g)→2CO2​(g)+3H2​O(………)
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Markscheme

3.1 States of matter Questions

  1. GCSE
  2. /Chemistry
  3. /3.1 States of matter

84 exam-style questions on Edexcel GCSE Chemistry 3.1 States of matter, covering 3.1.1 The three states of matter and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.

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