Balancing Equations Questions And Answers. When you are trying to balance the chemical equations you should remember that you can only change the value of coefficient in front of the element or compound and not the subscript. Solution for activity 1.
A coefficient number in front of a chemical is multiplied by all the atoms in that chemical. 2al 6hcl 2alcl 3 3h 2. Kclo 3 kcl o 2.
Which of the following correctly balances this equation.
Al 2 o 3 al o 2. One of the most engaging games comes from phet. One way to look at this is that using the 3 2 was just a mathematical artifice to balance the equation. H 2 o 2 h 2 o.