Chemical Reactions (4 of 11) Decomposition Reactions, An Explanation

Describes the basics of decomposition reactions, how to identify them, predict the products and balance the chemical equation. Two examples are also shown, decomposition of sugar and hydrogen peroxide.

A chemical reaction is a process that leads to the chemical change of one set of chemical substances to another. Chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms. In a chemical reaction there is no change to the nuclei of the atoms. They can often be described by a chemical equation. Chemical equations are used to graphically illustrate chemical reactions. They consist of the chemical formulas of the of the reactants on the left and those of the products on the right. They are separated by an arrow (→) which indicates the direction and type of the reaction. The most common types of chemical reactions are: double replacement, single replacement, combustion, decomposition and synthesis.

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[ltaylor]

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[LeviVillarreal]

I wish I had you as a teacher at school. These videos are some of the most informative, interesting, and helpful videos I have seen. Thank you!

[shep]

3:46 messed up at this part, i forgot to close the portal to hell and the black substance has been growing for the past 92 days. Aside from that, very informative lecture, your videos really help me out.

[riyadhbaksh]

But how do you know, in general, what the products will be?

[stepbystepscience]

@James Choung, with this reaction, as you can see, the products are carbon and water.  That is just the way it goes.  With the combustion of a hydrocarbon like gasoline the products are CO2 and H2O.

[elliottherndon]

Thank you so much, I wasn’t at school the day we learned this and now I know

[-_M-_]

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[indyrod]

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[sarahnunez]

Thank you so much! Finals are next week and I still didn't understand Decomposition and how to balance it, but now I'm starting to get it. Really, thanks!

[raiarchanasinha]

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[exequielviacrusis]

thank you 7 years later this video uploaded

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[harshgupta]

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[capy.slay]

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[grimyreaper]

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[varsha]

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[TheStacey]

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[gomezalejandrog]

Was never taught these special case reactions.
For instance H2CO3 decomposes to H2O and CO2.
How do we determine the prediction, is there a special case chart to memorize did I miss something???