Which of the four substances listed WILL dissolve in water and why? HCI
CH4
CaCO3
Gasoline

A) HCI because it is polar
B) Gasoline because it is flammable
C) CH4 because it is nonpolar
D) CaCO3 because it is a salt

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

What is the correct lewis dot structure for arsenic?

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium