Difference between revisions of "Carbon dioxide"
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| − | '''Carbon dioxide''' is exhaled when you breathe out. | + | '''Carbon dioxide''' |
| + | At room temperature, it is a gas. | ||
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| + | It is exhaled when you breathe out. | ||
It is used by plants in the process of [[photosynthesis]] to generate [[oxygen]]. | It is used by plants in the process of [[photosynthesis]] to generate [[oxygen]]. | ||
| − | + | Each molecule of carbon dioxide has one carbon atom and two oxygen atoms, so its chemical formula is CO<sub>2</sub>. | |
Revision as of 19:26, April 6, 2007
Carbon dioxide At room temperature, it is a gas.
It is exhaled when you breathe out. It is used by plants in the process of photosynthesis to generate oxygen.
Each molecule of carbon dioxide has one carbon atom and two oxygen atoms, so its chemical formula is CO2.