| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.sl.TZ1.3 |
| Level | SL | Paper | 1 | Time zone | TZ1 |
| Command term | Deduce | Question number | 3 | Adapted from | N/A |
Question
What is the coefficient for \({{\text{O}}_{\text{2}}}{\text{(g)}}\) when the equation for the combustion of 1 mole of pentane is balanced?
\({{\text{C}}_5}{{\text{H}}_{12}}{\text{(g)}} + \) _ \({{\text{O}}_2}{\text{(g)}}\) _ \({\text{C}}{{\text{O}}_2}{\text{(g)}}\) _ \({{\text{H}}_2}{\text{O(g)}}\)
A. 5
B. 6
C. 8
D. 16
Markscheme
C
Examiners report
[N/A]
Syllabus sections
Core » Topic 1: Stoichiometric relationships » 1.1 Introduction to the particulate nature of matter and chemical change
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