In the balanced equation 4Fe + 3O2 = 2Fe2O3 how many atoms of iron (Fe) are reacting with every three molecules of oxygen (O2) ?

What term describes when a solvent is holding as much solute in solution as it is able for a given temperature

Write the formula for the the ionic compound zinc and hydroxide

A dilute solution of co2 in water contains 0.000540 g of co2 per 500.0 g of solution. What is the concentration of co2 in ppb?

How to name Mg3 (PO3) 2•9H20

Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: S (g) + 3F2 (g) - >SF6 (g) If 50 g S is allowed to react as completely as possible with 105.0g F2 (g), what mass of the excess reactant is left.

which one of these reactions is energy released? A all reactions B no reactions C endothermic reactions D exothermic reactions

Why do ionic compounds conduct electricity when dissolved in water but most covalent compounds do not?

Which of the following is an example of a molecule? F C Al O2

Organize the items listed into the proper sequence of events for gas exchange. a: O2 is transported to cells by circulatory system. b: O2 is drawn into the lungs during inhalation. c: Cells use O2 and generate CO2. d: CO2 is exhaled.

Research about the reaction of baking soda and vinegar