Complete the five items in the assignment and save the file to your own records.
I know this really has to do with the nomenclature of molecules covered in Chapter 4, but I think you will find this interesting. The official IUPAC (systematic) name for water should be dihydrogen monoxide. There has been an “urban legend” spread about dihydrogen monoxide via numerous emails and web pages. Google “dihydrogen monoxide” and review at least three of these web pages (make sure you reference them). Summarize your findings and provide an evaluation or an opinion. You can start with:
http://www.snopes.com/science/dhmo.asp
Write 250 – 500 words. Have fun! (25 points)
Discuss the nature and importance of the “mole” in chemistry. Which best represents the amount of a mole of a typical substance like sugar or salt? 100 – 150 words. (10 pts)
Balance the following chemical equations (5 pts)
_____ Fe + _____ O2 —-> _____ Fe2O3
_____ CaCO3 + _____ HCl —-> _____ CaCl2 + _____ CO2 + _____ H2O
______ C6H14 + ______ O2 —-> ______ CO2 + ______ H2O
Calculate the Formula Mass and Molar Mass for each of the following compounds. (5 pts)
MnO2 formula mass = molar mass =
C5H12 formula mass = molar mass =
XeF6 formula mass = molar mass =
Calculate the number of moles in each of the following. (5 pts)
98.0 grams of MnO2
12.0 grams of C5H12
100.0 grams of XeF6
Complete the five items in the assignment and save the file to your own records.
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