1. 2KClO3 →2KCl + 3O2 lf 5.0 g of KCIO3 is decomposed, a. What volume of O2 is produced of STP?
b. How many grams of KCI are produced?

2. H2SO4 + 2NaOH→ H2O + Na2SO4 How many molecules of water are produced if 2.0 g of sodium sulfate are produced in the above reaction?

3. 2AlCl3 →2Al + 3Cl2 lf 10.0 g of aluminum chloride are decomposed, how many grams of Cl2 are produced?

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

What are transitions between a liquid and a solid called? identify which way they are transitioning

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.