Dr. Kent McCorkle, or "Dr. Kent' to his student, has helped thousands of students be successful in chemistry.

Chemistry Practice Problems: Names & Formulas of Acids

[View the accompanying Lesson on Names & Formulas of Acids here.] [Download the accompanying PDF worksheet.] Name the following acids: HF(aq) HNO2 H3BO3 HCN H2SO3 Determine the formulas of the following acids: chlorous acid phosphoric acid hydrobromic acid carbonic acid periodic … Read More



Chemistry Practice Problems: Names & Formulas Molecular Compounds

[View the accompanying Lesson on Names & Formulas of Molecular Compounds here.] [Download the accompanying PDF worksheet.] Name the following molecular compounds: NO2 PCl5 I2F7 Sb3Cl9 P4O8 Determine the formulas of the following molecular compounds: dinitrogen tetraoxide sulfur hexafluoride diarsenic trisulfide … Read More



Chemistry Lesson: Enthalpy



Chemistry Lesson: Percent Yield



Chemistry Lesson: Molecular, Complete Ionic & Net Ionic Equations



Chemistry Practice Problems: Molecular, Complete Ionic & Net Ionic Equations

[View the accompanying Lesson on Molecular, Complete Ionic & Net Ionic Equations here.] [Download the accompanying PDF worksheet here.] Predict the products, balance the molecular equation, then write the complete ionic and net ionic equations, including physical states. 1. barium chloride … Read More



Chemistry Practice Problems: Limiting Reactants

[View the accompanying Lesson on Limiting Reactants here.] [Download the accompanying PDF worksheet here.] Perform the following calculations, being sure to give the answer with the correct number of significant digits. 1. What mass in grams of aluminum hydroxide could be … Read More



Chemistry Lesson: Molar Mass

[View the accompanying Practice Problems on Molar Mass Conversions here.] What is Molar Mass? Molar mass is literally the mass of one mole of a substance. We saw in a previous lesson on atomic mass that the periodic table provides us … Read More