Calculate the number of moles of the indicated substance present in 47.2 g of aluminum oxide

Elemental boron can be formed by reaction of boron trichloride with hydrogen. BCl3 (g) + 1.5H2 (g) - > B (s) + 3HCl (g) Substance: BCl3 (g) H2 (g) B (s) HCl (g) S° (J/K•mol) : ? 130.6 5.87 186.8 If? S° = 80.3 J/K, what is S° for BCl3 (g) ?

How do you make slime that i am able to dye? I need a few simple steps to atleast make near a galon of slime (for my sci homework)

I'm an electrically neutral atomic any element, there are equal numbers of

How many liters of a 0.30M solution are needed to give 2.7 moles of solute?

Air pressure is lower at high altitudes. An airplane cabin can adjust, but as the plane rises, passengers can experience temporary pain in their ears. Check all facts below that explain why. The air pressure in the ears increases.

The formula mass of a compound

Suppose the volume of a container is decreased, but the same number of gas molecules is present at the same temperature. What will happen to the molecules? The molecules will increase in number. The molecules will decrease in number.

Zinc metal reacts with hydrochloric acid to produce hydrogen gas and an aqueous solution of zinc (ii) chloride. what is the reducing agent in this reaction? maybe prof. umbridge was right in trying to remove her.

What mass of H2SO4 is contained in 60.00 mL of a 5.85 M solution of sulfuric acid

One isotope has 6 protons and 8 neutrons which reference names this isotope