If you would’ve attached a picture I’m sure it would’ve been a lot easier.
Answer:
Macroscopic observation
Explanation:
The observation is macroscopic because you could observe the transformation with the naked eye.
The answer would be D. because when an acid and base mix the start to cancel each other out causing it to neutralize
This means a release of free energy from the system corresponds to a negative change in free energy, but to a positive change for the surroundings.
Fe needs to have a positive charge of +3 to balance out -3 Cl
