24 Dec
Posted by: sean in: Chemistry Notes & Tips, Tips for Improvement
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Dearest all,
This is the present I am going to present you to start 2008 on the right note.
I have done a 8 minutes short video to illustrate how you can easily master the skills of balancing any chemical equations in 4 simple steps.
More importantly, I show you step by step how to apply each step to a question so that it gives you complete understanding on how to balance any chemical equations.
All these are f*ree
Click here for instant download!
To your balancing success!
Sean
Hi,
We received an enquiry from “Vintage Deadly” for tips on balancing chemicals equations. Yes. We noticed that students in Singapore seems to be weak in Balancing of Chemical Equations and Mole Concepts.
There are indeed TIPS on balancing chemical equations, and i think schools might not have shared this TIPS – or i would just like to say – Simple Rules, to follow when balancing equations.
Rules for Balancing Equations
1. Determine the correct formulas for all the reactants and products in the reaction.
2. Write the formulas for the reactants on the left and the formulas for the products on the right with an arrow in between. If two or more reactants or products are involved, separate their formulas with plus signs.
3. Count the number of atoms of each element in the reactants and products. A polyatomic ion appearing unchanged on both sides of the equation is counted as a single unit.
4. Balance the elements one at a time by using coefficients. A coefficient is a small whole number that appears in front of a formula of an equation. When no coefficient is written, it is assumed to be 1.
5. It is best to begin with an element other than hydrogen or oxygen. These two elements often occur more than twice in an equation. Start with the Metals (Grp 1, 2 Transition metals), follows by the none metals (Grp 4-7). Oxygen atoms is the second last and Hydrogen atoms shall be the last. (Most Impt Information that is usually not shared.Not sure why also)
You must not attempt to balance an equation by changing the subscripts in the chemical formula of a substance.6. Check each atom or polyatomic ion to be sure that the equation is balanced.
7. Finally, make sure that all the coefficients are in the lowest possible ratio
Hope this helps. Let me know if you need further assistance.
Sean
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9 Responses
Poh Seng Lim
04|Feb|2008 1Your video is a very commendable effort. Keep it up.
I feel very strongly that you will succeed with your mission.
You are awesome starting the Simple Chem Concepts.
Reply
Mitu Singh
06|Feb|2008 2Sean, I have to say that this was the best interactive presentation that I have seen so far. I was very confused about this Balancing Chemical equations and now I am able to finish the prob not only efficiently but in timely manner. I want to thank you for such support.
If I need anything, i will definately reach out to ur sources
thanks once again
Sincere Regards,
Mitu
Reply
rija bukhari
13|Feb|2008 3Its helped me alot. thankyou.
please make more videos like of ionic bonding
and covalent bonding.So that it helps me more
Reply
sean
18|Feb|2008 4Good to hear that you all are benefitting from the Video.
Remember – the best way to ensure that you understand Balancing Chemical
Equations is through practice. So you should be trying out questions. Let me
know if you need further assistance in it.
Reply
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27|Feb|2008 5[...] a Video (Just like the Video on TIPS for Balancing Chemical Equations) Make notes in your own words on a piece of paper or in your notebook. Make a list of the key [...]
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01|Apr|2008 7[...] Here are some common techniques that can be used as a reference to promote active and effective learning: From a Video (Just like the Video on Tips for Balancing Chemical Equations): [...]
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02|Apr|2008 8[...] PS: For avid readers that want to be a subscriber and receive regular emails on Chemistry Strategies & Tips, you can subscribe HERE! [...]
dian Tan
28|Jun|2009 9Teach me how to easily calculate the Solving Problem, mass, molecules, grams and etc.
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