Chemistry PapaPodcasts

STS: Heat of Reaction Hess Law Lab #2/3 - 5:32

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:40:46 PDT

STS: Heat of Reaction Hess Law Lab #1 - 5:02

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:40:33 PDT

2.03 - Lewis Diagram of Phosphate Polyatomic Ion - 10:50

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:30:44 PDT

STS: Formation of Hydrate Lab - 8:14

papapodcasts@gmail.com (Papapodcasts) — Mon, 07 Feb 2011 11:46:52 PST

Link to Lap Report: http://bit.ly/hXrYav Please print this lab report and bring it with you on the day that you will be conducting this lab in class.

STS: Student Teaching Students: The Labs

Safety Cindy welcomes Hot Jazz, Cool Dani, and Master James to help her explain the procedures involved with the Formation of a Hydrate Lab. Watch this video, acquaint yourself with the materials and procedures so that your lab with run smoothly. Remember to follow proper safety procedures. Do not attempt this without the proper guidance and supervision of a qualified science teacher.

Station #6: Sulfuric Acid + Sodium Hydroxide by James - 2:03

papapodcasts@gmail.com (Papapodcasts) — Tue, 14 Dec 2010 09:05:34 PST

Station #5: Iron + Cupric Sulfate by Danielle - 1:53

papapodcasts@gmail.com (Papapodcasts) — Tue, 14 Dec 2010 09:04:59 PST

Station #4: Zinc + Hydrochloric acid by Marc - 1:59

papapodcasts@gmail.com (Papapodcasts) — Tue, 14 Dec 2010 09:04:54 PST

Station #3: Calcium + Water by Marc - 3:50

papapodcasts@gmail.com (Papapodcasts) — Tue, 14 Dec 2010 09:04:50 PST

Station #2: Electrolysis of Water by Danielle - 0:46

papapodcasts@gmail.com (Papapodcasts) — Tue, 14 Dec 2010 09:04:41 PST

Station #1: Burning Magnesium Ribbon by Cindy - 3:31

papapodcasts@gmail.com (Papapodcasts) — Tue, 14 Dec 2010 09:04:38 PST

2.02 - Drawing Lewis Dot Structures of Ionic and Covalent Compounds

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:30:30 PDT

1.06 - Atoms vs. Ions - 19:51

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:28:02 PDT

1.05 - Anatomy of the Atom - 27:34

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:27:46 PDT

1.04 - Periodic Table of Elements - 29:57

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:27:30 PDT

1.03 - The Elements - 25:11

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:27:12 PDT

1.01 - Developing the Atomic Theory - 25:27

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:26:56 PDT

1.02 - Discovering Inside the Atom - 32:04

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:26:42 PDT

Factor Labelling - 10:01

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:41:06 PDT

5.01 - Synthesis Reactions - 15:18

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:37:13 PDT

KEY CONCEPTS:

2 or more reactant --> 1 product

metal oxide + water --> base (bases contain an OH-)

non-metal oxide + water --> oxy-acid
(oxy-acid is a polyatomic with a hydrogen acting as a cation) - see what type of polyatomic comes to mind when you look at the non-metal oxide

5.02 - Decomposition Reactions - 5:23

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:37:39 PDT

KEY CONCEPTS:

1 reactant --> 2 or more products

metal hydrogen carbonate --> metal carbonate + CO2 + H2O
(the metal can be any of the metals to the left of the aluminum ladder combined with a hydrogen carbonate. The end products are CO2 and H2O along with the metal bonded to the carbonate)

i.e: NaHSO4 --> Na2SO4 + CO2 + H2O

3.06 - Acid Base Nomenclature - 14:48

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:33:57 PDT

KEY CONCEPTS: When naming Binary Acids, start by identifying the hydrogen atom as "hydro" and name the non-metal using the "ic" ending and add the word acid.

Rules for Oxy-Acids:
They are derivatives of polyatomic ions and polyatomic variations. Follow the following 4 rules:

i.) ____ate ions become _______ic acid
ii.) per____ate ions become per_____ic acids
iii.) ____ite ions become _____ous acids
iv.) hypo____ite ions become hypo_____ous acids

Bases contain hydroxide ion (OH)-1

**NOTE: NO "hydro" for oxy-acids

3.01 - Writing Formulas for Binary Ionic Compounds - 20:51

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:31:19 PDT

KEY CONCEPT:

When you combine a metal and a non-metal, use the 5 Step Cross over Rule to put together your formula

4.02 - Balancing Equations - 22:35

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:36:50 PDT

KEY TERMS: balance both sides of the equation by placing a number (coefficient) in front of the compound. Don't be afraid to have to change that number if it does not completely balance the equation. Balance polyatomic ions first. Remember that REACTANTS are to the left of the arrow and PRODUCTS are to the right of the arrow. Refer to episode on "Counting Atoms". Don't forget your diatomic molecules:

oxygen = O2
hydrogen = H2
bromine = Br2
chlorine = Cl2
iodine = I2
fluorine = F2
nitrogen = N2

2.01 - Electron Dot Diagram - 4:18

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:30:09 PDT

Valence electrons

4.01 - Counting Atoms - 13:05

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:35:56 PDT

3.08 - Covalent Compounds - 14:25

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:35:19 PDT

KEY TERMS: 2 or more non-metals

Prefixes: mono, di, tri, tetra, penta, hexa, hepta, octa, nona, deca

3.04 - Polyatomic Ions - 14:06

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:32:20 PDT

KEY TERMS: 2 or more non-metals, Nick the Camel ate a Clam for Supper in Phoenix, "ate" ending

Underlined letter represents the atom
# of consonants = # of oxygens
# of vowels = # of negative charges associated with polyatomic
Ending is "ate" - except for ammonium ion and hydroxide ion

5 Step Cross over rule:
- Remember that polyatomic has brackets and the charge is written outside of the brackets
- remove brackets when the number outside of the brackets is a "1"javascript:void(0)

3.02 - Naming Ionic Compounds - 5:48

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:31:39 PDT

KEY TERMS: reverse cross over rule, metal, non-metal

3.03 - Transition Metals -14:40

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:32:03 PDT

KEY TERMS: transition metals, Classical system, Stock system, Latin names, Roman numerals, cross over rule, reverse cross over rule
"ic" ending = higher charge
"ous"ending = lower charge

3.07 - Hydrate Compounds - 5:01

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:34:49 PDT

KEY CONCEPTS: Name compounds as usual. After naming the compound include the Greek prefix for the amount of waters present and use the name HYDRATE

5.04 - Double Displacement Reactions - 6:13

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:38:46 PDT

KEY CONCEPTS:

pairing metals and non-metals

metals switch places with the other metal in the reaction

Don't forget the 5 Step Cross Over Rule! Don't forget to balance the equation.

3.05 - Polyatomic Variations - 10:14

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:33:14 PDT

KEY CONCEPTS: Always refer to the original form of the polyatomic ion.

From the original form: _____ate ion, if:
i.) you gain an oxygen, name changes to per____ate ion.
ii.) lose 1 oxygen, name changes to _____ite ion.
iii.) lose 2 oxygens, name changes to hypo____ite ion.

**NOTE: the charge of the polyatomic NEVER changes

5.06 - Combustion Reactions - 8:15

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:39:28 PDT

KEY CONCEPTS:
-these reactions involve burning a hydrocarbon in the presence of oxygen. Hydrocarbons are compounds made by ONLY H and C atoms.

2 Types of Combustion Reactions:
i.) Complete Combustion (plenty of oxygen)
ii.) Incomplete Combustion (poor supply of oxygen)

Formulas for Combustion Reactions:
i.) Complete Combustion

C#H# + O2 --> CO2 + H2O

ii.) Incomplete Combustion Reactions:

C#H# + O2 --> CO2 + H2O + CO + C

**notice the difference in the Incomplete Combustion reactions

5.05 - Neutralization Reactions - 7:11

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:39:07 PDT

KEY CONCEPTS:

-special type of double displacement reaction

acid + base --> salt + water

REACTANTS
acids - either binary acids or oxy-acids (contain H)
bases - contain hydroxide (OH)

PRODUCTS
salt - ionic compound (ANY metal and non-metal)
water - we know what that is

5.03 - Single DIsplacement Reactions - 18:52

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:38:17 PDT

KEY CONCEPTS:

metals switch with metals**
non-metals switch with non-metals

**look at the Activity Series if metal would switch with metal. If LONELY metal is higher in the Activity series than the metal paired with the non-metal can the metal switch places. If the LONELY metal is lower in the series, NO REACTION will take place.

Don't forget to balance equations! Don't forget the 5 Step Cross Over Rule

1.09 - Groups in the Periodic Table - 4:44

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:29:37 PDT

KEY TERMS: alkali metals, alkaline earth metals, halogens, noble gases, octet rule, cations, anions, metals lose electrons, non-metals gain electrons

1.08 - Atoms vs. Ions - 9:34

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:29:17 PDT

KEY TERMS:
cation = positively charged atoms (metals)
anion = negatively charged atoms (non-metals)
metals lose electrons, non-metals gain electrons

1.07b - Anatomy of the Atom - 10:01

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:28:54 PDT

KEY TERMS: valence electrons, nucleus of the atom, orbitals, shells, protons, neutrons, atomic number, atomic mass (round off), electrons, periods (horizontal rows), groups (vertical columns), period number=#of orbitals, atomic number=# of protons and electrons for neutral atoms

1.07 - Anatomy of the Atom - 20:50

papapodcasts@gmail.com (Papapodcasts) — Fri, 14 Oct 2011 20:28:37 PDT

KEY TERMS: valence electrons, groups, periods, orbitals, shells, metals, non-metals
#of neutrons=atomic mass - atomic number
Group#=valence electrons
Period#=#of orbitals