4Fe + 30₂ ⇒ Fe₂0₃ The products in this equation are not balanced. What can we change the coefficient of Fe₂0₃ to in order to balance the equation?

A: 2

B: 3

C: 4

D: 6

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.