Naming
On Whiteboard write the difference between Ionic and Covalent compounds give 2 examples for each and EXPLAIN WHY
VARIOUS ANSWERS
Bonus: Difference between cation/anion?
Lewis Structure for NO3 -
Resonance structure
BONUS: What's the name of this Polyatomic Ion?
Identify the polar molecules: CH4, CCl4, SO2, H2O, CO2
SO2 & H2O
Balance and identify what type of chemical reaction is present: NaBr + Ca(OH)2 → CaBr2 + NaOH
2, 1, 1, 2 ; double replacement
BONUS: What are the other kinds of equations are there?
Out of the following compounds determine which one is the empirical formula: P4O10, NO2, C5H11, C10H22, C5H12O2, C6H18O3
Empirical Formula is NO2, C5H11, C5H12O2.
BONUS: why are the other ones NOT empirical formulas?
Name the Following Polyatomic ions? CN-, PO4 3-, NO2-, NH3, and Hydroxide
Cyanide, Phosphate, Nitrite, and Ammonia, and OH
BONUS: Whats the charge of OH?
An oxide of chromium is found to have the following % compositions: 68.4% Cr and 31.6% O. Determine this compounds empirical formula.
Cr2O3
BF3 Electron & Molecular Geometry?
Both: Trigonal Planar
BONUS POLAR or NONPOLAR?
CALCULATE THE MASS IN GRAMS OF : 7.00 MOLES OF IODINE (I2) BONUS POINTS: WHY IS IODINE I2 AND NOT I?
1776.6 GRAMS. IODINE IS DIATOMIC MEANING 2 ELEMENTS
2H2 + O2 --> 2H2O YOU ARE GIVEN 68 GRAMS OF H2 HOW MANY GRAMS OF O2 ARE PRODUCED?
538.61 GRAMS of O2
Name the following acids:H2S, Nitric Acid, and Hydroiodic acid
Hydrosulfuric acid, HNO3, and HI
ate= ic. ic = ous
SO3- Lewis Structure
BONUS: what is resonance? Draw them out
CO2 Electron and Molecular geo
Linear both
Any double or triple bonds?
2 BRCL3 -> 3 CL2 + BR2 IF 4 MOLES OF BRCL3 REACTS ACCORDING TO THE EQUATION, HOW MANY MOLES OF CL2 WILL BE FORMED?
6 MOL CL2
4 MOL BRCL3 X 3CL2 / 2BRCL3 =
How many grams are in 0.3300mol of Al2O3
33.65 grams Al2O3
Name the following compounds + Determine if ionic or covalent: CO, NaBr, NH4F, ZN3P2, and Cu2O
Carbon monoxide covalent, Sodium Bromide ionic, ammonium fluoride ionic, zinc phosphide ionic, and copper (i) oxide Ionic.
BONUS: Why doesn't zinc have a roman numeral?
A compound containing 5.9265% of H and 94.0735% O has a molar mass of 34.01468 g/mol. Determine the empirical and molecular formula of this compound.
Empirical: HO. Molecular: H2O2
BONUS: How do we find the molecular formula?
HCN both geometries
Linear for both.
BONUS: How many valence electrons did you use?
Balance the equation for the reaction of iron (III) phosphate with sodium sulfate to make iron (III) sulfate and sodium phosphate.
2FePO4 + 3Na2SO4 → Fe2(SO4)3 + 2Na3PO4
P=+5, Li= 1+, O=-2
Give me the following formulas + determine if ionic or covalent: calcium bromide, gallium chloride, disulfur trioxide, and iron(III) sulfate
Make sure to double check!
Make sure to double check!
CaBr2 Ionic, GaCl3 Ionic, S2O3 Covalent, and Ir2(SO4)3.
A sample of a pure aluminum halogen compound with a mass of 34.0 g contains 22.2g of the aluminum. What is the percent composition of the aluminum in this compound? Keep sig figs in mind
65.3%
SO2 give me the molecular geometry and build it!
Bent molecular geometry
BONUS: How many lone pairs of electrons are around the central atom?
8.00 moles of aluminum to grams?
216 g aluminum
Identify the reducing agent in this reaction:
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
C2H6 is the reducing agent
BONUS: what's being reduced/oxidized?