rd chapter 9 on stoichiometry

stoichiometry is a way to predict how much of each reactant you need, and how much product you produce, in measurable amounts, using mole to mole ratios from the balanced equations.,

study guide

Symbols for the first 20 elements (50) Structure of the atom Numbers of P+, e-, n0 in elements isotopes and neutrons Anions gain electrons to fulfill octet rule Cations lose electrons to fulfill octet rule Chemical changes/properties Significant figures Physical states / changes / names of state changes Names of groups Numbers of the Energy levels Charges associated with elements in each group Names of blocks s, p, d, f Periodic trends Covalent vs ionic bonds Properties of molecular substances Properties of ionic substances Lewis dot structures of small common molecules Molecular geometry Polar vs nonpolar

hw 1-31 on 166-167 due Monday, test tue

finishperiodicity worksheet for hw due Monday

Monday night HW

Chapter 5 pg 167 problems 22-35

rd to page 76 in chapter 3

Tuesday crossword review test

http://glencoe.mheducation.com/sites/dl/free/0078779626/164060/index.html

finish graph and start conclusion, find four references to use for first paragraph

finish reading chapter one

finish reading chapter one

start reading chapter one, cover text please

quiz on 20 elements Tuesday (honors 50)

quiz on 20 elements Tuesday name to symbol, symbol to name

Thursday quiz on mole to mole, moles to gram, gram to gram and limiting reactants

limiting reactant problems HW

http://chp090.chemistry.wustl.edu/~coursedev/Online%20tutorials/Plink/limreag/probsetlr.htm You should finish problems 1-6

pg 305 copy sample problem A in your notebook, as well as sample problem B and C on 306-307, and sample problem D on 309. Do practice problems 1 and 2 on 306 at the top. 1 and 2 on pg 308, 1 and 2 on 309, and 1, 2, 3 on pg 311. Show all the work!!! Hint pg 311 silver nitrate is AgNO3, copper II nitrate is Cu(NO3)2

Friday was test on chem rxns, Essay test on Monday

Essay: A student combines iron and hydrochloric acid ( HCl)in a test tube. The result is a color change in the solution, some fizzing on the solid iron until it completely disappears. The student collects the gas that is given off in a test tube. The gas is colorless and odorless. Discuss how the law of conservation of matter helps you to predict the outcome of the experiment. What assumptions (at least 3) can be made about the relationship of the products and the reactants based on this law? What do you predict the products of the reaction are? What classification of a reaction is this? What tests can be done in order to determine the identity of the gas? What is the balanced equation for this reaction? Or… A student places an iron nail in a beaker filled with a blue solution of Copper (II) Sulfate (CuSO4). The result is a color change on the solid iron nail until it completely changes color. The student notices there is less blue color in the beaker. Discuss how the law of conservation of matter helps you to predict the outcome of the experiment. What assumptions (at least 3) can be made about the relationship of the products and the reactants based on this law? What do you predict the products of the reaction are? What classification of a reaction is this? What is the balanced equation for this reaction?

snowpocalypse hw

pg 290-291 1-5, 7-11, 13 ,19, 24-26

tues feb 14 hw read 260-268

Know what are the indicators of a chemical reaction and the charateristics of chemical equations which include symbols etc

study guide topics make sure to spread out the studying over a few days.

physical changes vs chemical changes changes of states homogeneous/heterogeneous mixtures chemical properties electron configurations valence electrons lewis dot structures molecules vs ionic substances (salts) atomic structure P+s neutrons e-s atomic theory groups and periods and block names metals, nonmetals and properties naming ionic and molecular substances molecular shapes polar vs nonpolar formulas for ionic substances Metal reactivity lab with Mg, Ca and Al Ionic vs molecular mystery ID lab

many labs are late again!

Check iPass only two labs handed in out of the whole class

Write your lab tonight it is way over due! one week late!