Chemical Reactions (1 of 11) Double Replacement Reactions, An Explanation

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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[alexisjonah]

Bro!!! I've been watching your little series of 11 videos, and they have helped me MUCH!!! Thank you for putting the experiments in your videos, they help so much!!!

[JJ-wybl]

I can’t explain how much of a lifesaver this guy is. The visual representation of the reaction is the cherry on top. 👌

[seanevans]

It's people like you that make life a little more easy. Thank you

[hilalerenkol]

I have been trying to do my chem hw for the past 3 hours with no luck until I found your channel and ALL OF YOUR CHEMICAL REACTION VIDEOS HAVE BEEN SO HELPFUL!!! I am not exaggerating when I say you have saved my life. I have a major test on Friday and your videos have covered everything I was having problems with! :) Thank you SO MUCH for taking the time to prepare such nice and detailed videos to ensure that students like myself are learning their chemistry :) I wish I had found your channel earlier on bc it would have saved me so much more time and energy.

[johnstonwangstar]

Thanks man. The science teacher is so bad that I need to self teach myself.

[braedenn.]

Honestly from the bottom of my heart thank you for doing this. Your energy and teaching style is amazing. My teacher right now doesn't seem very happy with her work and isn't really teaching me anything. So thank you for your time and effort. :)

[juliagonzalez]

It was really helpful because I have a quiz tomorrow and I still did not understand it. THANKS A LOT!!!!

[milekyle]

You are a great teacher! I love that you showed us the reactions. EXTREMELY helpful video!

[Kcoo]

just wanna say thank you so much! i was out sick for a week and therefore have to learn all this stuff on my own and your videos helped me a lot!!

[rg]

This man pinned a comment from a week ago on a 7 year old video... Respect.

[AvidChildHere]

I don't even know why I have to go to school I learn more off of YouTube

[stepbystepscience]

Sebastian Cannon,  I theory you could write it either way, H2O or HOH, either way it is water so by convention we write H2O.  Otherwise you could write CaCl2 as CaClCl or ClClCa or ClCaCl…..Does that help? 

[stepbystepscience]

Fabiola Osorio, the CrO4 has a negative 2 charge and the Ag has a positive 1 charge, there for it takes 2 silvers to satisfy the chromate.

[elaw]

Once again you have explained something to me that no-one else could. Thank you very much!

[lostcarcosa]

Thank you so much for this great video! I was very lost as to how to easily do a double replacement in class. This has completely clarified my confusion. Thank you again!

[stepbystepscience]

@Madi Powell, that is because it is two KNO3s, not one KNO6.  Otherwise 2 KNO3s would be K2N206.

[jaredvanderlinden]

I love it when He does the irl science performances with chemicals and other stuff.

[toptan]

Wish you were my ap chem teacher, I learn more in 10min through your videos than 45 minutes in class. Thank you for providing these videos, you helped me pass my chem final with flying colors!!

[TheKaitlin]

Thank you so much. I've been failing chem, and my teacher does not explain in a way like this. It makes sense now.

[zc]

Way better than my teacher, thank you so much, Great teacher!!!