Inorganic Chemistry Answers

What is the mass of each ore in atomic mass units?
Hematite Fe2O3

pyrite FeS2

What is compressibility?

What is rigidity?
What is fluidity?
What is density?
What is kinetic energy?

Calculate the mass of precipitate that forms when 250 mL of an aqueous solution containing 35.0g of lead (2) nitrate reacts with excess sodium iodide solution by the following reaction.
Pb(NO[sub]3[/sub])[sub]2[/sub] (aq) + 2NaI (aq) = 2NaNO[sub]3[/sub] (aq) + PbI[sub]2[/sub] (s)

How can I make the copper get white by salt or acit?

Breathing on mirror turns mirror foggy. Why?

Describe the types of cohesive forces.

A compound of nitrogen and oxygen is analyzed and a sample weighing 1.587g is found to contain 0.483g N and 1.104g O. What is the emperical formula of the compound?

H[sub]3[/sub]PO[sub]3[/sub] -> H[sub]3[/sub]PO[sub]4[/sub]& + PH[sub]3[/sub]
BALANCE THE EQUATION

4HCl(aq) + MnO[sub]2[/sub](s) = 2H[sub]2[/sub]O(e) + MnCl[sub]2[/sub](aq) + Cl[sub]2[/sub](g)
How many grams of MnO[sub]2[/sub] according to the equation?

What is the equation of the titration between vinegar and NaOH?
CH[sub]3[/sub]OOH+NaOH ->