How to Balance
I2 (g) + H2O (l) HOI (aq) + HI (aq)
I am trying to figure out how to balance this equartion, but can't see where there is a diffierence in the total number of elements on either side. Both have 2I, 2H, and one O.
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You are correct. The equation is already balanced and there is nothing to do. Occasionally a teacher will give an equation that is already balanced just to mess with you.
The problem is already balanced so there is no need for you to do anything else
When I give students a problem like this, where the elements are already balanced, I want to see if the students look to see if this is a REDOX reaction. Here, iodine is being oxidized from 0 to +1 while the other iodine is being reduced from 0 to -1. Once my students see that this, and recognize that there is ony 1 electron being transferred, they can come to the realization that the reaction is fully balanced.
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