Ch 2/3Supplemental InstructionIowa State UniversityLeader: LaurenCourse: Chem 167Instructor: HolmeDate: 09/02/091. Nomenclature Some general rules:2. Give the name or chemical formula for each of the following: a) SF6 b) dinitrogen tetroxide c) aluminum hydroxide d) Fe(OH)23. A substance with one or more unpaired electrons is called a __________________.4. An explosion is a type of _______________ reaction. (hint: starts with a ‘c’)5. What does a chemical reaction involve, and what are the two rules described in class?6. Balance the following equations. a) PbCO3(s) PbO(s) + CO2(g) b) CaO(s) + H2O(l) Ca(OH)2(s)7. Write a balanced chemical equation for when C7H8O2(l) burns in air.8. Label the following picture and include a description/definition.9. What does solubility mean?Supplemental Instruction1060 Hixson-Lied Student Success Center v 294-6624 v www.si.iastate.eduA Few Review Problems to Challenge You1. The distance between two atoms in a molecule is 148 pm. What is this distance in inches? (1 inch equals 2.54 cm) Report in the correct number of sig figs.2. Gold can be hammered into extremely thin sheets called gold leaf. If a 200 mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 x 1.0 ft, what is the average thickness of the sheet in meters? Report in the correct number of sig figs.3. Fill in the gaps in the table: 4. Naturally occurring magnesium has the following isotopic abundances. Calculate the average atomic mass of Mg and sketch a mass spectrum of Mg.Symbol59Co3+Protons 34 76 80Neutrons 46 116 120Electrons 36 78Net Charge 2+Isotope AbundanceAtomic mass(amu)24Mg 78.99% 23.9850425Mg 10.00% 24.9858426Mg 11.01%