Balancing Chemical Equations - Research Paper by Nicolasw

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Balancing Chemical Equations Essay

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Below is an essay on "Balancing Chemical Equations" from Anti Essays, your source for research papers, essays, and term paper examples.

Balancing Chemical Equations (For Dummies)
A lot of people find balancing chemical equations an unconquerable feat. Here I'll show you in a simple manner how easy they can really be.

1) The Law of the Conservation of Atoms states that all atoms that go into a chemical equation must come out.
So look at this balanced equation for potassium chloride.
K+Cl --> KCl
2) Subscripts
You can never change subscripts in a chemical equation. This equation is a bit harder, but you can see how to get more atoms when you need them.
H2O+Fe ---> Fe2O3+H2
The first thing you need to do to solve this equation is to count the number of each type of atom on both sides.
There are two hydrogen atoms on the left, and two on the right. Balanced.
There is one oxygen atom on the left, and three on the right. Unbalanced.
There is one iron atom on the left, and two on the right. Unbalanced.
Now, we cannot change the subscripts, but, we can add a number in front of an atom to multiply the number we already have.

When an atom is in a group, such as hydrogen and oxygen on the left and iron and oxygen on the right, you cannot multiply one specific atom in the group. The whole group has to be multiplied. If the atom is alone, such as the iron on the left and the hydrogen on the right, you can just multiply that atom.
To start the process, we would need to put a three in front of the H2O on the left, to get three oxygen atoms. But, keep in mind this also will give you six hydrogen atoms. (Two times the three.)
This will bring your equation to look like this:
3H2O+Fe ---> FeO3+H2
The equation is not yet balanced, since we now have an uneven number of iron and hydrogen atoms. To fix this, we will put a two in front of the Fe on the left, to give you the proper number of iron atoms. Then, we will put a three in front of the hydrogen on the right, to give the proper number of all atoms. Your equation should now look like this.
3H2O+2Fe ---> 2FeO3+3H2 Balanced!

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