classify the following into elements, compound, mixture. sodium chloride, kerosene, glucose, helium, hydrogen.​

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

What is the mass of each element in a 324.8 sample of co2

Draw two cyclic constitutional isomers of cis-1