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Atoms and reactions

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Question 101

3.00 g of the alcohol C3H7OH\text{C}_3\text{H}_7\text{OH}C3​H7​OH (Mr=60.0M_r = 60.0Mr​=60.0) is burned in oxygen.

2C3H7OH(l)+9O2(g)→6CO2(g)+8H2O(l) 2\text{C}_3\text{H}_7\text{OH(l)} + 9\text{O}_2\text{(g)} \rightarrow 6\text{CO}_2\text{(g)} + 8\text{H}_2\text{O(l)} 2C3​H7​OH(l)+9O2​(g)→6CO2​(g)+8H2​O(l)

Which volume of oxygen gas is needed, in dm3\text{dm}^3dm3, for this complete combustion of C3H7OH\text{C}_3\text{H}_7\text{OH}C3​H7​OH at RTP?

A

1.2

B

2.7

C

5.4

D

10.8

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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