Chapter 21 Organic Chemistry Alkanes, Alkenes, Alkynes & Benzene.
What does the little number below each Element mean? What are its units? amu/atom.
CH 3: Stoichiometry Moles. Mole Defined Mole = number equal to the # of carbon atoms in exactly 12 grams of pure C-12. –Mole = 6.022 x 10 23 –Called Avogadro’s.
Chemistry 103 Lecture 14. Outline I. Empirical/Molecular Formulas II. Chemical Reactions - basic symbols - balancing - classification III. Stoichiometry.
LOGO Spring 2014 Lecture 10: Organic Compounds Course lecturer : Jasmin Šutković 29 th April 2014.
Entry task: Feb 13 th -14 th Block #2 NOT AN ENTRY TASK! Agenda: Sign off on Post Lab question- Discuss Notes on Molecular Formulas and Hydrates HW: Molecular.
WRITING AND NAMING IONIC COMPOUNDS. ATOMS COMBINE IN SIMPLE WHOLE NUMBER RATIOS TO BECOME MORE STABLE THE SMALLEST UNIT OF ATOMIC COMBINATIONS THAT RETAINS.
+ The Mole Chapter 10. + Previous Skills required for this chapter Writing formulas from names for: Ionic compounds Covalent compounds Acids Balancing.
Organic chemistry for medicine and biology students Chem 2311 Chapter 5 Stereochemistry By Prof. Dr. Adel M. Awadallah Islamic University of Gaza.
Empirical Formula Empirical: based on observation and experiment.
Improving Quality with the Substance Registry Services (SRS) John Harman U.S. EPA May 14, 2009.
Objectives When you complete this presentation, you will be able to … distinguish between the melting points and boiling points of molecular compounds.
