AP Chemistry 2013-2014

10/23/2013

HAPPY MOLE DAY!!! October 23rd 6:02 AM to 6:02 PM!! Let's commemorate our all-powerful Avogardo Number!!

07/28/2013

Acknowledging the fact that Facebook is for FUN, I moved all the review material to a Google Site. Please check it out! The page will be reserved for jokes and fun facts!!

https://sites.google.com/site/apchem1314sm/home

07/27/2013

Got your polyatomic ions?

07/26/2013

【Get Ready for AP Chem】No.8 There are chem (bad, really bad...) jokes in older posts! Scroll down during your study break! Get ready for chemistry humor!!

07/26/2013

【Get Ready for AP Chem】No.7 Significant FIGURES!! They are SIGNIFICANT!!

http://users.bergen.org/debric/AP%20Chemistry/Class%20Notes/SIGFIG.pdf

07/26/2013

【Get Ready for AP Chem】No.6 Molecular Formula and Empirical Formula from Mass Composition (Stoichiometry Review) You should have learned this from your Intro to Chem Class. These are just some example problems to remind you how to do these!

http://pages.towson.edu/ladon/empiric.html

The ratio of C:H:S has been found to be 4:4:1, thus the empirical formula is: C4H4S. The molar mass of the empirical formula is 84 g/mol. Since the molecular weight of the actual compound is 168 g/mol, and is double the molar mass of the empirical formula, the molecular formula must be twice the emp...

07/26/2013

【Get Ready for AP Chem】No.5 Electron Configuration

https://www.khanacademy.org/science/chemistry/orbitals-and-electrons/v/electron-configurations

Introduction to using the periodic table to determine electron configurations

07/26/2013

【Get Ready for AP Chem】No.4 Review Periodic Trends!! Most IMPORTANT three: I. Electronegativity II. Atomic Radii III. Ionization Energy (Skip others if you do not have time.) Remember to know the reasoning behind the trends as well.

http://chemwiki.ucdavis.edu/Inorganic_Chemistry/Descriptive_Chemistry/Periodic_Table_of_the_Elements/Periodic_Trends?highlight=periodic+trends

Periodictrends are specific patterns that are present in the periodic table, which illustrate different aspects of a certain element, including its size and its properties with electrons. The main periodictrends include: electronegativity, ionization energy, electron affinity, atomic radius, melting...

07/26/2013

【Get Ready for AP Chem】No.3 The MUST-HAVE Tool: Lewis Structure

http://www.chem.ucalgary.ca/courses/351/Carey5th/Ch01/ch1-3depth.html

: octets can be expanded to minimise formal charges but only for atoms in the second row of the periodic table (where n=3 or greater). For instance in our example, N cannot expand its octet so keeps a formal charge of 1+ and both singly bonded oxygens a formal charge of 1-. If our molecule were…

07/26/2013

【Get Ready for AP Chem】No.2 IDEAL Gas Equation!! (Take a look at Charles' Law, Boyle's Law, Avogadro's Law, Gay-Lussac's Law as well.)

https://www.khanacademy.org/science/chemistry/ideal-gas-laws/v/ideal-gas-equation--pv-nrt

Intuition behind the ideal gas equation: PV=nRT.

07/26/2013

【Get Ready for AP Chem】No.1 Stoichiometry Review

https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiometry/v/stoichiometry

Introduction to stoichiometry

07/26/2013

Wanna get a head start in AP Chem? Memorize these polyatomic ions at breakfast time!!