Questions from General Chemistry

Q: What does “balancing” an equation accomplish?

What does “balancing” an equation accomplish?

Q: Balance the following chemical equations. Fe(s) +

Balance the following chemical equations. Fe(s) + O2(g) Fe2O3(s) PbO2(s) PbO(s) + O2(g) H2O2(l) O2(g) + H2O(l)

Q: Give the name of each of the following simple binary ionic compounds

Give the name of each of the following simple binary ionic compounds. a. BeO b. MgI2 c. Na2S d. Al2O3 e. HCl f. LiF g. Ag2S h. CaH2

Q: We indicate the charge of a metallic element that forms more than

We indicate the charge of a metallic element that forms more than one cation by adding a(n) after the name of the cation.

Q: In which of the following pairs is the name incorrect? Give

In which of the following pairs is the name incorrect? Give the correct name for the formulas indicated. a. Ag2O, disilver monoxide b. N2O, dinitrogen monoxide c. Fe2O3, iron(II) oxide d. PbO2, pl...

Q: Why are the physical states of the reactants and products often indicated

Why are the physical states of the reactants and products often indicated when writing a chemical equation?

Q: Write the name of each of the following ionic substances, using

Write the name of each of the following ionic substances, using -ous or -ic endings to indicate the charge of the cation. a. SnCl2 b. FeO c. SnO2 d. PbS e. Co2S3 f. CrCl2

Q: Name each of the following binary compounds. a. XeF6

Name each of the following binary compounds. a. XeF6 b. OF2 c. AsI3 d. N2O4 e. Cl2O f. SF6

Q: Name each of the following compounds. a. Fe(

Name each of the following compounds. a. Fe(C2H3O2)3 b. BrF c. K2O2 d. SiBr4 e. Cu(MnO4)2 f. CaCrO4

Q: Which oxyanion of nitrogen contains a larger number of oxygen atoms,

Which oxyanion of nitrogen contains a larger number of oxygen atoms, the nitrate ion or the nitrite ion?