How to Balance Na + H2O = NaOH + H2 (Sodium plus Water)

In this video we'll balance the equation Na + H2O = NaOH + H2 and provide the correct coefficients for each compound.
To balance Na + H2O = NaOH + H2 you'll need to be sure to count all of atoms on each side of the chemical equation.
Once you know how many of each type of atom you can only change the coefficients (the numbers in front of atoms or compounds) to balance the equation.
Important tips for balancing chemical equations:
Only change the numbers in front of compounds (the coefficients).
Never change the numbers after atoms (the subscripts).
The number of each atom on both sides of the equation must be the same for the equation to be balanced.
For a complete tutorial on balancing all types of chemical equations, watch my video:
Balancing Equations in 5 Easy Steps: • How to Balance Chemica...
More Practice Balancing: • Balancing Chemical Equ...
Drawing/writing done in InkScape. Screen capture done with Camtasia Studio 4.0. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo).

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[@wbreslyn]

Excellent, glad I could help with your studies. --- Dr. B

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[@IcyMelodies]

Ahh, thanks a lot! i spent 30mins trying to balance the hydrogen atoms by making it 3 in the LHS instead of trying to make the 3 atoms of H in the RHS an even number. So, what i learnt from this video is how to balance sodium + water chemical reaction and to keep in mind to change the odd numbers into even numbers. This hasn't even been mentioned in my textbook. Thanks a bunch! :)

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[@wbreslyn]

Excellent! Glad I could help. --- Dr. B

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[@wbreslyn]

No problem, glad I could help! --- Dr. B

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[@wbreslyn]

You're welcome 😊

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[@roshmitaroshmarry5193]

Actually.... I was unable to balance the equations... But now it become very easy to me to balance.... Thank you so much...

[@wbreslyn]

Excellent, glad to hear it! If you want more practice I built this app on my website: www.breslyn.org/chemistry/balancing/index-bal.php . There is a video for each practice equation.
--- Dr. B

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[@wbreslyn]

Thanks, that is most appreciated! --- Dr. B

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[@wbreslyn]

My pleasure!

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Thanks sir I got confused in hydrogen case but you had helped me to know its right method.
Thank a lot Sir🙏🙏

[@wbreslyn]

You are most welcome!
- Dr. B

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Hey Dr. B I'm wondering of the H² in the right side what number will I put it?

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Thank you so much sir for helping . I had promblems in balencing these type of equations. It really helped me a lot...

[@wbreslyn]

Excellent, glad to hear the video helped with balancing! --- Dr. B

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Thx for explaining so good ....
It helped me when I was studying for the exam...

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Thank you so much sir, you are great at balancing, because of you I was able to learn Balancing in 2 mins for my exams, I struggled literally for 1-2 years for learning and my goodness you made me learn in just two minutes, god bless you sir..

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[@wbreslyn]

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Thanks dr.b!

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Hii, sir what is the reaction of k+naoh?
Will it form k(oh)3 +na?

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Thanks.. helped alot

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[@wbreslyn]

You're welcome 😊

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[@wbreslyn]

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Thanks!
Was struck on this equation for a while.

[@wbreslyn]

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[@wbreslyn]

Thank you! --- Dr. B

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[@wbreslyn]

Thank you! --- Dr. B

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You are most welcome! ---- Dr. B

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I though left side 2x3
Right side 3x2
Save my 1hour time

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Same, but then I realised that if we write the equation as 2+1×2 then we have to apply BODMAS and we get the correct number of atoms. 😀

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Dear sir, could you explain me
why/how does sodium reacts with water to form the product in the equation but not any other product

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[@wbreslyn]

Glad it helped!

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Excellent, all the best with your studies! --- Dr. B

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[@Joycookingride]

How do u know which atom to start with? Like for example, a hydrogen and oxygen. Which one do i start with first to keep it balanced?

[@wbreslyn]

I'll usually balance the H and O last. As a general rule that works best. But there is a bit of trial and error. It does get easier the more you practice. --- Dr. B

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[@wbreslyn]

Excellent! Glad I could help with Na + H2O. --- Dr. B

[@stylecool786]

I was wondering can't you put a 1/2 in front of H2 and leave the rest. That is still balanced right ?

[@wbreslyn]

Yep, that would be correct. But many teachers won't accept that as an answer. So just make sure your teacher does. --- Dr. B

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[@wbreslyn]

Excellent! Glad I could help with Na + H2O. --- Dr. B

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[@wbreslyn]

Thank you! --- Dr. B

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[@wbreslyn]

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[@wbreslyn]

You are welcome, glad I could help with Na + H2O! --- Dr. B

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[@wbreslyn]

Thanks!

[@Abdullah-iv9rt]

Why we don’t use same method in C2H6+ O2=CO2+H2o when we have 2 oxygen from reactants and we have 7 oxygen of products we multiply 2 oxygen by 2/7 here we didn’t use same method

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what type of of connection this 2H have after reaction? non-polar?

[@wbreslyn]

Careful ... 2H means two separate H atoms. H2 means they are bonded together. The H2 is hydrogen gas and it is a non-polar compound (see th-cam.com/video/ePjlDZVvHTQ/w-d-xo.html). --- Dr. B

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You are most welcome! --- Dr. B

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Thanks, I sometimes think my voice makes students sleepy.