Yes , i would help you but the photo isn't clear . :(
Answer: I can only help you with one
4. D because you need data fro what ever your doing.
thats as much as i can help vote me the brainleirst
<u>Answer:</u>
Option (C)
There is no change in mass during a chemical reaction;
<u>Explanation:</u>
The law of mass conservation can better explain this phenomenon. According to the rule, "Energy can not be either produced, nor can it be lost."
In simpler terms, the total masses of all substance involved in a chemical reaction are same. Furthermore, the total atoms on either sides, i.e., reactant side and product side are the b.
