Which of these is an organic compound?

CaO

H2SO4

C3H8

H2O2​

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder