What kind of solid is plastic

Do noble gases react with other elements and why

A student placed 11.5 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached.

The mass of 1 mole of an element in grams) is the same as which quantity? O A. The atomic mass of the element times Avogadro's number O B. The atomic mass of the element in atomic mass units O c. The atomic number of the element O D.

HCl gas is introduced at one end of the tube, and simultaneously NH3 gas is introduced at the other end. When the two gases diffuse through the cotton plugs down the tube and meet, a white ring appears due to the formation of NH4Cl (s). Why is this?

Which of your isolated compounds is more soluble in pure water? a. both carboxylic acid and hydrocarbon are equally soluble in water. b. the hydrocarbon. c. the carboxylic acid?

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?