WorksheetsCOMBUSTION-DAILY TEST 1st
Total questions: 10
Worksheet time: 50mins
In the reaction:
C5H8 + O2 -> CO2 + H2O
the reaction coefficients are . . .
1, 7, 5, 4
1, 6, 5, 4
1, 8, 5, 4
1, 7, 4, 5
1, 8, 4, 5
In the reaction:
C7H14 + O2 -> CO + H2O
the reaction coefficients are . . .
1, 7, 7, 7
1, 8, 7, 7
1, 7, 8, 7
1, 7, 7, 8
1, 7, 8, 8
In the reaction:
C10H18 + O2 -> CO2 + H2O
the reaction coefficients are . . .
2, 29, 20, 18
2, 29, 18, 20
2, 29, 20, 20
2, 29, 18, 18
2, 20, 29, 18
2 moles C6H14 reacts with oxygen according to this reaction:
C6H14 + O2 -> CO2 + H2O
Then the CO2 produced is . . . moles
12
14
2
19
9
3 moles of CO2 are produced from this reaction
C6H14 + O2 -> CO2 + H2O
then the required O2 is . . . moles
4.75
4.5
3.75
3.5
3
7 L of H2O is produced from this reaction:
C6H14 + O2 -> CO2 + H2O
then the volume of C6H14 that reacts is . . . L
1
2
3
4
5
3.2 grams is required for the C8H16 combustion reaction according to the reaction:
C8H16 + O2 -> CO + H2O
then CO is produced. . . moles
0.1
0.2
0.3
0.4
0.5
The gas that prevents oxygen from binding to hemoglobin is . . .
carbon monoxide
hydrogen
nitrogen
sulphur dioxide
chloride acid
All of the following are the result of increasing carbon dioxide in the environment, except . . .
plants thrive
warming of the earth's atmospheric temperature
climate change
increasing melting of ice at the north and south poles
rising sea levels
5 L of O2 is reacted at this reaction:
C8H18 + O2 -> CO2 + H2O
then the volume of C6H14 produced is . . . L
3.2
2.3
4.2
3.3
4.4
