Answer:
The left side, Fe+CI2 because the product which is the end result which is Fe2CI3
Explanation:
The expected time period between the observations of lightning and thunder would be 22.5 s.
How to calculate the time of sound waves?
The time taken by sound to reach a certain position can be calculated by the speed formula,

Where,
- speed = 0.343 km/s
- distance = 7.5 km
- time = ?
Put the values in the formula,

Therefore, the expected time period between the observations of lightning and thunder would be 22.5 s.
Learn more about the expected time:
brainly.com/question/16851276
During a chemical reaction, atoms react with each other to form new products. hope this helps (: