GCSE Chemistry -Balancing Equations (Answers to the quetions)

Dinu By Dinu, 13th Aug 2011 | Follow this author | RSS Feed | Short URL http://nut.bz/xex4s1j3/
Posted in Wikinut>Guides>Science>Chemistry

This page contain all the answers to the questions from the short lesson on how to balance chemical equations

Answeres to the simple questions

  1. 4K(s) + O2(g) ------> 2K2O(s)

  2. 4Li(s) + O2(g) ------> 2Li2O(s)

  3. 2Na(s) + 2H2O(l) -----> 2NaOH(aq) + H2(g)

  4. 2K(s) + 2H2O(l) -------> 2KOH(aq) + H2(g)

  5. 2Na(s) + Cl2(g) -------> 2NaCl(s)

  6. 2Na(s) + Br2(g) ------> 2NaBr(s)

  7. 2Na(s) +I2(g) -------> 2NaI(s)

  8. 2Mg(s) + O2(g) -----> 2MgO(s)

Follow this lik to see the Simple Questions

Answers to the Harder Questions

  1. MgCO3 + 2HCl -----> MgCl2 + H2O + CO2

  2. CuO + 2HBr -----> CuBr2 + H2O

  3. 2NaOH + H2SO4 -----> Na2SO4 + 2H2O

  4. 3NaOH + AlBr3 ------> 3NaBr + Al(OH)3

  5. 4NH3 + 5O2 ------> 4NO + 6H2O

  6. 4Fe + 3O2 -------> 2Fe2O3

  7. Fe2O3 + 3CO ------> 2Fe + 3CO2

  8. N2 + 3H2 ------> 2NH3

Follow this link to see the questions and short lesson on how to balance equations

Tags

Answers, Balancing Equations, Chemical Reations, Chemistry, Gcse, Symbol Equations

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author avatar Dinu
I have written few short stories (fictions) and I love writing to the extent where i can't write enough to satisfy myself.

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Comments

author avatar IBITOYE OLUSEGUN
13th Feb 2012 (#)

In fact,this ur lesson really helped me alot,i ve been seaching for a tip to know hw to belance an equation but all doesn't work. but this ur tip is exceptional i even score almost of question i just missed only two out of the 16 questions.i think nw i can now sit down on my own and try and balance any equation that see since have gotten the tip i need in balancing an equation. Thank u very much i will always visit this site any time i want to learn more. God bless u, for the your wonderful tip.

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