Answer:
chemical change
Explanation:
because physical is like if something is happening inside your body
BTW
I hope this helps
Barium fluoride (BaF2) - Also known as Barium(II) fluoride - because it's a combination of two different kinds of ions (binary = two).
Answer: d
explanation: in both reactants and products there are 2 hydrogen and 2 chlorine atoms
D: urethra
20 characters necessary for answer so that's what this typing Is for
No. of moles = mass / molar mass
= 100/35.5