Answer the questions about the following reaction.

4Al(s) + 3O2(g) 2Al2O3 (s)

How many molecules of O2 are used in the reaction?

How many oxygen atoms are required?

How many moles of Al2O3 are formed?

What is the mole ratio of Al to O2?

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull