Errata for Friendly Chemistry, 4th Edition

1.  Lesson 4 Teaching Video states “Halstead Rule.”  Should be referred to as “Hund Rule."
2.  In list of elements on page S4, include element #105 as hahnium.  A more current designation should be dubnium (Db).
3.  Lesson 13 Test, #4 should have subscript of 2 on hydrogen.
4.  Lesson 22 Test, #5 answer should state 6.5 moles of calcium hydroxide rather than calcium cyanide.
5.  Lesson 27 Stochiometery Problems 2, #1 answer should be 53.1 grams.
6.  Lesson 29 Measuring Molar Volumes of Gases, #9 answer should be listed as units of liters, not grams.
7.  Lesson 32 Combining the Gas Laws, #1, should state (760/762) and not (762/760), result should be 8.9 liters.