Due to energy being a reactant instead of a product, the process is endothermic. The system must absorb a quantity of energy before it can react, so it must be an endothermic system.
Answer:
I think that it's b
Explanation:
please please tell me if it's the right answer
True.
For example: Sodium oxide and Nitric acid; both compounds contain oxygen.
then the electrons and protons would have a even amount of negetive electric charges
Answer:
It is a physical change because this change is reversible and no chemical reaction occurs.
Explanation:
