In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. hydrogen + oxygen water If you burn 44.5 g of hydrogen and produce 398 g of water, how much oxygen reacted?

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Chapter1: Chemical Foundations
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In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor.
hydrogen + oxygen
→ water
If you burn 44.5 g of hydrogen and produce 398 g of water, how much oxygen reacted?
mass of oxygen:
Enter numeric value
15
人atv
W
Transcribed Image Text:Question 1 of 39 > In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. hydrogen + oxygen → water If you burn 44.5 g of hydrogen and produce 398 g of water, how much oxygen reacted? mass of oxygen: Enter numeric value 15 人atv W
Question 7 of 39
Which observation illustrates the law of conservation of mass?
The C:0 mass ratio of a particular compound is the same, regardless of the size or source of the sample.
OWhen 3 g of carbon reacts with 8 g of oxygen, 11 g of carbon dioxide is produced.
O The C:O mass ratio of one compound is exactly double that of another compound.
Burning 10 g of propane produces twice as much carbon dioxide as burning 5 g of propane.
15
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PI
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Transcribed Image Text:Question 7 of 39 Which observation illustrates the law of conservation of mass? The C:0 mass ratio of a particular compound is the same, regardless of the size or source of the sample. OWhen 3 g of carbon reacts with 8 g of oxygen, 11 g of carbon dioxide is produced. O The C:O mass ratio of one compound is exactly double that of another compound. Burning 10 g of propane produces twice as much carbon dioxide as burning 5 g of propane. 15 A étv PI W
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