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Carbon burning in oxygen
Age 13 · Chemistry
Carbon atoms and oxygen molecules rearrange when carbon burns. The same atoms appear in the new carbon dioxide, so the total mass stays the same.
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Age 13: open this week
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In the picture
- One black sphere: a single carbon atom.
- A joined pair of red spheres: one dioxygen molecule.
- A black sphere between two red spheres: one carbon dioxide molecule.
Examples
- Burning charcoal in a barbecue.
- A glowing ember in a fireplace.
Key takeaways
- Atoms are rearranged, not made or destroyed.
- The total mass before and after burning is the same.
Quiz: Carbon burning in oxygen (Age 13)
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During the burning of carbon, what happens to the atoms?
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What is true about the total mass before and after carbon burns?
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What molecule is produced when carbon burns in oxygen?
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