How man moles of Al2O3 are formed in the reaction 4Al (s) + 3O2 (g) 2Al2O3 (s)

What is knowing facts about chemistry called

As a substance changes from a liquid to a gas, the average distance between molecules ... (1) decreases (2) increases (3) remains the same

Properties volume to solid

Ammonia gas decomposes according to the equation: 2nh3 (g) → n2 (g) 3h2 (g) if 15.0 l of nitrogen is formed at stp, how many liters of hydrogen will be produced (also measured at stp)

In what unit do we usually measure the force of the earth gravity? Acceleration due to gravity is 9.8/s^2

plate a and plate b are both continental plates. what is ghe most likely result if the two plates collide?

According to the second law of thermodynamics, the entropy of any system always increases. According to the second law of thermodynamics, the entropy of any system always increases. True False

If the density of Cu is 8.96g/cm cubed, what is the volume of 28kg of Cu?

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats