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Carbon dioxide is an atom of carbon combined with two atoms of oxygen.
Yes: Carbon dioxide is systematically named chemical substance, and since the name contains indications of the presence of two chemical elements, carbon dioxide can be broken down chemically into its two constituent elements.
Carbon dioxide
water and carbon dioxide.
Carbon dioxide is created when oxygen and carbon are combined. The respiratory system allows oxygen to be taken into the body while allowing the body to push out (or exhale) the carbon dioxide.
Anything that is not chemically combined but is in the same substance, i.e. oil in water, air (Nitrogen, Oxygen, Carbon Dioxide, Argon and other gases are not chemically combined.) and there are many more.
If they are chemically combined, a compound eg a molecule of carbon dioxide contains an atom of carbon and two atoms of oxygen. Carbon dioxide is a compound.
carbon dioxide
Obviously carbon dioxide and oxygen cannot be combined by just sticking them in a bottle together, that would not chemically combing the atoms and create a compound. You would need to chemicaly combine them, the easiest way to heat them together.
There's not much oxygen on any planet except Earth. I mean "free" oxygen, not chemically combined with other elements. Obviously carbon dioxide contains oxygen combined with carbon, for example.
an oxidation
Carbon dioxide is an atom of carbon combined with two atoms of oxygen.
Carbon dioxide is the product of a combustion reaction.
carbon and oxygen
Yes: Carbon dioxide is systematically named chemical substance, and since the name contains indications of the presence of two chemical elements, carbon dioxide can be broken down chemically into its two constituent elements.
Carbon dioxide
Yes, the dissolved carbon dioxide reacts chemically with the water making carbonic acid, allowing more carbon dioxide to dissolve.