It is a reaction between an element and a compound that results in a different element and compound
C. The reaction goes from one of less moles to more causing it to be more disordered and therefore have a positive change in s
I believe it’s D because phosphorus has the mass of 30.9.
Volume= mass divided by density
V= m/d
55/3.23
= 17.03
Psychical(you see the changes visible) and Chemical properties(they react and combine, you may see fizzing or bubbles).
