Question

How would you balance the following equation: HI(g) → H2(g) + I2(g)?

Answer 1

`2HI(g) -> H2(g) + I2(g)`

Explanation:

There are 2 Hydrogen atoms and 2 Iodine atoms on the right so the have to be 2 of each on the left as well, so there are `2` `HI` molecules on the left.