Answer:
I think that's a physical change since nothing is getting it's properties changed.
Explanation:
a chemical change usually changes the properties and cannot be changed back, this is simply washing your hands so I would guess that a physical change. think of like putting water on paper, the properties aren't changed you just have a paper with water on it now and can be easily dried.
Answer:
The answer for this selection is 4
Explanation:
Rivers, oceans, lakes, ponds
The two sublevels are s and p. These are the main group sublevels
Answer:
1.94 L
Explanation:
21°C = 21 +273 = 294 K
27°C = 27 + 273 = 300 K
T1/V1 = T2/V2
294 K/1.9 L = 300 K/x L
x = (1.9*300)/294 ≈ 1.94 L
