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SCIPAD - BIG IDEAS - BOOK 2
FUELS AND CLIMATE CHANGE
Plot your results on the graph paper below. Clearly label which line represents which flame.
Time taken for two different-coloured Bunsen burner flames to heat 100 mL of water to 80 °C
10
0
20
30
40
50
60
70
80
Temperature (°C)
1. What do your results suggest about the relative amounts of energy released during complete
and incomplete combustion? 




2. Propane is a common component of the gas found in the laboratory. Complete word
equations to show:
(a) The complete combustion of propane.
		
(b) The incomplete combustion of propane.
		
3. Complete the partially balanced symbol equations:
(a) CH4
+
O2 CO2 + H2O
(b) CH4
+
1½ O2 CO +
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