Magnesium combines with oxygen to form magnesium oxide. If 24.46 g of magnesium reacts completely with 5.41 g of oxygen, what is the percent by mass of oxygen in magnesium oxide?

Which of the following reactant pairs will not react together to produce a reaction?

How many hydrogen atoms are in 5 molecules of isopropyl alcohol

Most metals are solid at room temperature Malibu ductile good conductors of heat and electricity and reacting to produce hydrogen gas which of the property mention a chemical property

Binary ionic compounds are named in what pattern? a. the metal followed by nonmetal. b. the nonmetal followed by the metal. c. the anion followed by the cation. d. the metal followed by the polyatomic ion.

Describe your understanding of atoms and their subtomic particles

What classification should this reaction have? 4Al + 3O2 → 2Al2O3

If you start with 100 grams of a radionuclide, how much will you have after two half-lives have passed?

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?

Condension occurs in the inside of your windows in Winters, why?