Is 2AI + 3O2 = 2AI2O3 balanced or unbalanced?

All of the following are true about science except It is a body of knowledge. It does not change once a law is discovered. It is tested by many scientists over time. It uses the scientific method.

If you have 3.01 E24 molecules of CO, how many moles of CO do you have?

What is the answer to the main Idea for The cell Theory

What is the limiting factor in determining the accumulation of siliceous ooze/calcareous ooze, respectively?

Which statement describes the relative masses of two different particles? a. A neutron has less mass than a positron. b. A beta particle has less mass than a neutron. c. An alpha particle has less mass than a positron. d.

The data below were collected for the following reaction at 500 ∘C: CH3CN (g) →CH3NC (g) Time (h) [CH3CN] (M) 0.0 1.000 5.0 0.794 10.0 0.631 15.0 0.501 20.0 0.398 25.0 0.

How do i convert 3.00 moles H2 to molecules?

How can you use the chemical formulas for sucrose (C6H, 20,) and rust (Fe, O,) to classity them ionic or molecular compounds?

What is true of energy as is passes through an ecosystem? a. All of the energy in an organism is used by the animal that eats it. b. Any stored energy in an organism is used by the animal that eats it. c.

Which can associate a suspect and the firing of a gun? (its not b) A) markings on the gun's exterior B) markings on the casing C) markings on the bullet D) powder residues