Answer:
CH2O
Explanation:
Dividing by the atomic masses:
40 / 12 = 3.333
6.7 / 1 = 6.7
53.3 / 16 = 3.331
The ratios are
3.333/ 3.333 : 6.7 / 3.333 : 3.331/3.333
= 1:2:1.
So it is CH2O.
Answer:
c.) pure substances reacting
Answer:
Milk boils at about 212 F (100 c)
Explanation:
A physical property is a property in which a chemical change is not nessecary to undergo to know about.
Since all the other options require a chemical change to know, they are not physical properties.
The third option is a physical property because it does not require a chemical change to know.
I believe it is "They have hydroxide ions" because bases are usually made up of hydroxide ions and other element ions.
