Which of the followings a molecular compound that contains 5 atoms per molecule? silicon tetrachloride
disulfur monocide
dinitrogen pen toxide
carbon dioxide​

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

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

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?