Name the following chemical compound. b2br4 a. boron borate b. bromate boride c. boride tetrabromine d. diboron tetrabromide

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?