During a laboratory experiment, 36.12 grams of Al2O3 was formed when O2 reacted with aluminum metal at 280.0 K and 1.4 atm. What was the volume of O2 used during the experiment?

3O2 + 4Al → 2Al2O3

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

How many moles of bromine are needed to produce 3.23 moles of potassium bromide