# Chemistry-Balancing Equations

posted by .

I need help balancing equations.
_C7H60+_02->_C02+_H20

I don't know how to balance it because when i do it just won't work out ill have too much on one side and it just wouldn't work. i know im missing a rule or something.

• Chemistry-Balancing Equations -

Most of these just take a little practice. The more you practice the better you get. Here is what I do. First, I make sure to balance O2 LAST because since it is by itself I can put any number there I need.

C7H60 + 02-> C02 + H20

Start with C. I see 7 on the left so I know I must have a 7 for CO2.
C7H6O + O2 ==> 7CO2 + H2O

Now the H. There are 6 on the left so that means I must have 3H2O on the right.
C7H6O + O2 ==> 7CO2 + 3H2O

That balances C and H. Usually I check at this point to make sure they are ok. 7 C and 6 H on both sides. OK. Now, I count on the right to see how many O atoms I MUST have on the left. I see 17 O atoms (7*2=14 from CO2 and 3 from 3H2O = 17 total) on the right so I MUST have 17 on the left. There is 1 O in C7H6O which leaves 16 more on the left I must add. So, I place an 8 for O2.
C7H6O + 8O2 ==> 7CO2 + 3H2O

Now I check it to make sure I didn't goof somewhere. 7 C on the left and 7 on right.
6H left and right.
17 O left and 14+3 = 17 on right.
Everything ship shape.

## Respond to this Question

 First Name School Subject Your Answer

## Similar Questions

1. ### chemistry

Please, will someone help me balance this equation?
2. ### Chemistry

COMPLETION AND BALANCING OF EQUATIONS Complete and balance the following equations: 1. ZnCl2 + AgNO3
3. ### Chemistry

COMPLETION AND BALANCING OF EQUATIONS Complete and balance the following equations: 1. ZnCl2 + AgNO3
4. ### Chemistry

Wow, ok, that helps a LOT!! I guess you can't very easily balance an equation that can never happen! :) Thanks a lot! Just to make things clear, wouldn't it have to be Mg3(PO4)2, from balancing the charges?
5. ### chemistry

Can some one please balance this equation for me Fe + O2---> Fe2O3. Fe + O2 ==> Fe2O3. Here is the way to balance these equations by inspection, meaning, by trial and error. Rule #1. You may not change any subscripts. Equations …
6. ### chem- balancing equations

May i pls have some help balancing this equation Al + NH4ClO4 ---> Al2O3 + AlCl3 + NO + H20 Thanks, manny
7. ### Chemistry+balancing equation tips

We are on combustion reaction at the moment in chemistry, and I have to say, these reactions are like extremely hard to balance(well, just alot of erasing). It takes me a while to balance combustion reactions and I want to know if …
8. ### CHemistry

Redox equations are often long and difficult to balance by inspection. Luckily, electron transfers and oxidation numbers provide hints for balancing such equations. Balance the following equation: K2CrO4 + Na2SO3 + HCl ---> KCl …
9. ### chemistry- redox

Complete and balance the following equations using the method of half-reaction. both reactions happen in acidic solutions: a. Cu(s) + NO3-(aq)--> Cu2+(aq) + NO2(aq) b. Mn2+(aQ) + NaBiO3(s)--> Bi3+(aq) + MnO4-(aq) I'm having trouble …
10. ### Chemistry

Balancing chemistry equations and need help! Thank You!?

More Similar Questions