Chemistry Answers

Balance and classify each of the following reactions according to one or more of the six classes discussed described in your practical manual. (i) Mg(s) + …….HCl(aq) → …….MgCl2 (aq) + ……H2 (g)

How many molecules are in 3.5918 g of sulfuric acid, H₂SO₄? Show full work. Include units beside every number where applicable. Round your final answer to correct significant figures.

What is the HOMO for C2

Calculate the mass of Na_2O that forms if 4,8g O₂ reacts completely with sodium

why the ionic radii for S2- is larger than O2-

If The Ksp Of AgBr Is 5.0 X 10-13, What Is The Molar Solubility (Mol/L) Of AgBr?

If The Ksp Of AgBr Is 5.0 X 10-13, What Is The Molar Solubility (Mol/L) Of AgBr?

Determine the ppm of K+ ions in an aqueous solution, given that there are 0.300 g of KCl in 1.50 L of water. Assume the density of water is 1.00 g mL-1 .

Determine all possible ratios for the following balanced chemical equations.

a) 4Al(s) + 3O2(g)→2Al2O3(s)

b) 3Fe(s) + 4H2O(l) → Fe3O4(s) + 4H2(g)

It is appropriate to return any excess solvent or solution back into the reagent bottle