When carbon burns in limited oxygen gas to form carbon monoxide gas, is the equation `C + 1/2 O_2 -> CO` ? Please explain the correct equation to get carbon monoxide.

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The reaction above is called synthesis since two different substances combined to form one new substance. Its chemical equation has a form:

`A + B -> AB`

So when a carbon reacts with oxygen to form carbon monoxide, its equation is:

`C + O_2 -> CO`

However, this is an unbalanced equation.

Note that we need to express all chemical reactions in a balanced equation. To do so, count the number of atoms of each...

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