How to Balance Half Reactions
The third video in a series of understanding redox reactions and how to balance Redox Equations. Having mastered the identification of oxidation numbers and the art of writing half-reactions in the previous two videos, you're now ready to balance half reactions..
Redox Guides, Videos, and Practice at www.Breslyn.org/redox
For the full series see: • Balancing Redox Equations
Join this channel to get full access to Dr. B's chemistry guides:
/ @wbreslyn
Balancing half-reactions is a step-by-step, methodical procedure. We break down the process into manageable sub-steps, to provide clarity and practice.
Addition of Water and H+: Recognize that water and hydrogen ions (H+) can be introduced during the balancing process. Given that most redox reactions occur in water, incorporating these elements is a common practice. In an acidic medium, the addition of H+ is also available. (You'll learn about balancing in basic medium later in the series).
Check Your Work!
Double-checking your balanced half-reaction is essential at this point. Ensure the equality of atoms and charges on each side. This step is quick, straightforward, and serves as a safeguard against potential errors. It's a quick step but it will save you an immense amount of time later.
While the process of balancing half reactions may seem time-consuming, carefully following the steps pays off in the long run. You'll make much smoother progress in the overall redox reaction.
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Пікірлер: 54
Your channel is amazing! Whenever I need help with chemistry, I always come here because I find the answers I'm looking for.😊
Perfect! I'm so happy that I've found your really great channel. Thank you so very much. 😊 Now, I understand how "redox" works!
I felt its neccesary for me to say, I have been watching your videos during doubts and topics in exam for past 5 to 6 years, I am writing my final chemistry 12th exam today. thank you for being such an amazing teacher.
@wbreslyn
5 ай бұрын
Thank you for commenting, that is very motivating for me to hear. All the best on your chemistry exam today!
Man, I love your channel, I'm studying chemistry and every time I have a question I search your channel and you always have a video for everything, thank you very much!
@wbreslyn
5 ай бұрын
Thanks, that is motivating for me to hear!
@rakiamohammady4747
2 ай бұрын
Same here
One of the best channels I´ve been learning from. Great!. Thanks Dr.
@wbreslyn
5 ай бұрын
You are most welcome!
Evening Dr.B. I just finished working such Q's for a student. Having watching this vid before our session, was able to give clear and numerical clarity to answer all correctly. DVD...U Rock! Dr. B :)
@wbreslyn
4 ай бұрын
Great to hear David! I'm pretty proud of this redox resource, it took me forever to research and build but it's one of those topics that students struggle with. Glad you found it helpful!
you saved me. thank you so much
Dr.B,you are a great Teacher.I've been learning a lot from you and will continue to learn more👍🏻
@wbreslyn
5 ай бұрын
I appreciate that!
Dr B you are the best
Hello Sir Can you please make a video on When Fe shows 2 and 3 valency ?
Hello , Dr. B, your video is very informative and Clear, thank you for breaking it down in simpler steps. Just one question please, where did the -5 come from? 6:50
Thank you sir 👍
@wbreslyn
5 ай бұрын
Welcome!
I'm pretty sure you will be helpful in my future days
@wbreslyn
4 ай бұрын
Excellent!
keep doing what you are doing! You are a great teacher! Ochem up next for me! 🤓
@wbreslyn
3 ай бұрын
Thank you! I've actually just started working on a series of guides for ochem. Should be up on www.breslyn.org in a month or so.
@thelastclasher7417
2 ай бұрын
I'll take a look soon ! Thanks
Thanks 😊
@wbreslyn
Ай бұрын
Welcome 😊
Sir, can we use oxidation and reduction with defination of addition and reduction of electronegative /positive ions?
@wbreslyn
5 ай бұрын
Oxidation and reduction [provides a fundamental framework for analyzing and predicting the outcomes of chemical reactions involving the transfer of electrons. So what you say makes sense.
Namaste sir! I'm from India your teachings helped me a lot and btw why don't u make teachings on organic chemistry from basics, if u do such videos , it helps a lot of students like me. I'm really grateful for your teachings.😊
@wbreslyn
5 ай бұрын
I've been thinking about doing a series on organic chem, maybe in the near future!
Dr.B, do you follow ap chem courses (like the time they teach everything)? I feel like you know what's going on in my class everyday lol.
@wbreslyn
4 ай бұрын
That is great to hear! Yes, many of the topics follow AP and by extension gen chem in college.
Can you please tell me that how to write this statement (carbon+hydrogen+oxygen➡sugar) in a balanced chemical equation? I am unable to find it anywhere😞
@wbreslyn
4 ай бұрын
I'm not sure of the equation for just C + H2 + O2 = sugar. Perhaps take the C + O2 to make CO2. And the H2 and O2 to make H2O. From there photosynthesis would be able to create glucose. This might help kzread.info/dash/bejne/n3uWpJarZZnYfKg.html .
Can you please give me tips to study chemistry quickly Because I have a big exam in few days
@wbreslyn
4 ай бұрын
Pace yourself and focus on areas where you feel you are weak. Don't just study the stuff you already know! And do as many practice problems as possible. That's my advice a few days out from a big exam. All the best on your exam!
Please tell where you balance chemical equation😢 please...
@wbreslyn
5 ай бұрын
We usually balance the atoms in the half reactions before we balance electrons (or the H and O atoms). This might help: How to Balance Chemical Equations: kzread.info/dash/bejne/rKGY2q-lkpuedtY.html Coefficients & Subscripts: kzread.info/dash/bejne/qXuCybtriNK_gNY.html Practice Balancing: kzread.info/dash/bejne/g5edmcqictyddbQ.html
bro i promise when i grow up pls make livestreams ill donate a lot
Dear sir, My Name is Purushottam I have an little doubt, What's difference between MINIMUM & MAXIMUM ?
@wbreslyn
5 ай бұрын
Hello Purushottam! The difference between minimum and maximum is about the lowest and highest amounts or degrees permissible or possible, respectively. In a marathon, the minimum time is the fastest pace at which a runner completes the race, while the maximum time is the slowest pace allowed before the race officially ends.
I don't understand how you balanced Carbon
@wbreslyn
7 ай бұрын
This is the full video for that redox equation: kzread.info/dash/bejne/a5WDvJSEaZunh6Q.html That should help.
u used to get so many views and likes what happened
@wbreslyn
5 ай бұрын
Most of my stuff takes a while to get into the search engines and such. So overall on my channel I'm getting more views but new videos seem to take longer to gain traction. Sometimes several months, but then the do well enough!
How many languages can you speak?
@wbreslyn
4 ай бұрын
That's an interesting question. On my own, English, Spanish, some Twi and Kusaal. But with the assistance of technology I'm able to communicate across most languages. I try to do that on my channel when I reply to comments and it may create a perception that I speak more languages, unaided, than I really do!
@Indian-357
4 ай бұрын
@@wbreslynI have never heard of twi and kusaal
@Indian-357
4 ай бұрын
@@wbreslynNo esperaba que hablaras español.
Thank you so much. GREAT! 😊I can use these steps for the many redox reactions I have done till now and it works perfectly. I only can't solve this reaction "Hgo -> O2 + Hg" by using the same steps . Can you please tell me if I'm wrong? 😢
@wbreslyn
5 ай бұрын
You are welcome, that is great to hear! Sorry for the late reply but you might try putting the equation in here: www.periodni.com/half-reaction_method.php That'll show you the steps.
Dr.B, Which one is more electronegative 1) Nitrogen 2) Chlorine Explain in detail please(different sites show different answers so I'mma bit confused🫤)
@wbreslyn
5 ай бұрын
This might help: kzread.info/dash/bejne/nGugw8uKkZWxdKg.html
@DarkPrincess_M
4 ай бұрын
@@wbreslyn the chart shows cl is more electronegative but shouldn't nitrogen be the one?