Chemical Reaction (5 of 11) Synthesis Reactions, an Explanation

Describes the basics of synthesis reactions, how to identify them, predict the product and balance the chemical equation. Two examples are also shown, synthesis of MgO and ZnS.

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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[catsack]

can i just take a moment to say a massive thank you for explaining to me what my chemistry teacher refuses to

[HuntForWaffles]

I like how you actually showed some of the reactions. It was very interesting :D

[thatsohrobyn]

I don't want to write an essay but thank you so much for your clear and awesome videos. People like you that want to help and can do it so well are such a blessing. Thank you again, you are what every teacher should be like.

[elijahmitchell-hopmeier]

I love how at 4:00 he just slowly starts to shrink until he disappears. I should not find this as funny as I do

[simon-grpp]

How do you know the charges of the metals (transitional metals) does every Collumn in the transitional metal area have their own charge?

[puffpowderchowder]

How did you know that iron had a +3 charge in the first example? Should the charge be provided in cases where elements can yield more than one charge, or is it a certain circumstance for synthesis reactions?

[Bozemanscience]

Great video Brian. Love the demonstrations!

[amelie]

still helpful 7 years later! thanks so much :)

[stepbystepscience]

+Ruchelle B, great question, oxygen needs two electrons to fill its outer shell and each hydrogen has one to give, so it take two hydrogens to satisfy each oxygen.

[unknownunknown]

this 7 minute video taught me what my teacher cant in 2 hours. Great work sir.

[yuvraj]

thank you sir. first video i've seen about chemical reactions where they go the extra mile for someone to understand

[WK.]

How would you determine the charge of a transition metal when it is not specified? For example, Cu + Fe. The charges aren't specified so I'm not sure how you would go about predicting the products

[criminalrights]

very helpful thx! I have to study synthesis reactions, decomposition reactions, SDR/DDR, combustion, and like the scales for the test coming up in less than 12 hours. Just learned about synthesis so one crossed out, 5 to go!

[jennamccaskill]

These videos are extremely helpful. I wish I could ask you some questions. I am back in chemistry after only taking it in high school more than 30 years ago. I am taking a class online, and it is very difficult to understand with just the textbook. Your videos make the material more understandable. I also really enjoy that you show the physical reactions. Thanks!

[CFMayes]

These are great videos. A plus for anyone trying to understand chemical reactions. Thank you for sharing.

[atherleyangus]

Life saver, I needed to catch up on a month worth of wok because I transfered schools an had science in my first semester

[hajrashakeel]

im honestly sad that i dont have a teacher like you :) its so nicely explained! thank you

[soccerace]

you are saving my life with these videos right now, thanks buddy :)

[debraetchison]

This was super helpful.
I spent so much time on google and reading my book, I wish I had came across this video an hour or two ago.

[elaw]

Thank you so much, I'm a high school student taking Honors Chemistry. These videos will help me get the grade I want on the test for the chapter tomorrow.