How many molecules are in 4.5 moles of H2O?

What is the volume in milliliters of 6.58g of acetone

Asbestos, silica, and what else are material hazards which can pose severe dangers to construction workers health?

When 80 g of sodium hydroxide, naoh, are dissolved in enough water to make 500 ml of solution, the molarity of the solution is?

Proszę napisać wzór kwasu karboksylowego o 7 atomach węgla sumaryczny i strukturalny.

Elemental boron is produced in one industrial process by heating diboron trioxide with magnesium metal, also producing magnesium oxide as a by-product. write the unbalanced equation for this reaction.

One light year is about 9 trillion kilometers. Arcturus is a star that is 37 light years from earth. If you are about 11 years old now, how old will you be when light that is leaving Arcturus today reaches earth?

What is melted rock and minerals found below earths crust

What do many bases have in common? A. They often release oxygen gas. B. They often form hydrogen ions. C. They often release hydrogen gas. D. They often form hydroxide ions.

What is 3 tenths+4tenths

A lunar eclipse can only occur at which lunar phase? And what about a solar eclipse?