Other Chemistry Answers

How much space does a wooden cube take up if its mass is 142.9 g and its density equals 0.72 g/cm3?

when 1 mole of potassium carbonate reacts with 2 mole HCI, 1 mole carbon dioxide and 1 mole water is formed. How many mole potassium chloride is produced?

If 4.3g of mercury(ii) oxide is thermally decomposed to mercury and oxygen , what maw of mercury will be produced. How many molecules will be produced?

(Hg=208,O=16,1 mole=6.02 x 10^23)

Titanium tetrachloride, TiCl4, is prepared by the reac- tion below.

3TiO2(s) + 4C(s) + 6Cl2(g) ¡

3 TiCl4(g) + 2 CO2(g) + 2 CO(g)

What is the maximum mass of TiCl4 that can be obtained from 35 g TiO2, 45 g Cl2, and 11 g C? 

The reaction between calcium carbide (kalburo, CaC2) and water forms acetylene (C2H2) and calcium hydroxide [Ca(OH)2]

What is the pH of the solution given that the concentration of H2PO₄^- is 0.1 and that of HPO₄^2- is 0.066?

When heated, KClO3 decomposes into KCl and O2.

2KClO3⟶2KCl+3O2

If this reaction produced 23.0 g KCl, how many grams of O2 were produced?