September 18, 207 Section R02 1: 35, 41, 61, 62, 84 35. Write the chemical formula for calcium nitrate, potassium chloride and barium phosphate. What are the names and charges of all the ions in these three compounds? Calcium nitrate > Ca(NO3) Ca+,
What makes exchange reactions take place?
Three types of ionic exchange reactions:
Form a precipitate
an insoluble ionic compound
AgNO3(aq) + KCl(aq) KNO3(aq) + AgCl(s)
Form a molecular compound
Monarchies in Early Mesopotamia
Palace A at Kish, dating
to the middle of the
Early Dynastic period, is
clearly a royal residence
far more elaborate than
any seen before in
The Royal Cemetery of Ur, dating
CHM 130 - Accuracy and the Measurement of Volume
The purpose of this experiment is to practice using various types of volume measuring apparatus, focusing on their uses
Volume measuring apparatus come in several differen
Room Assignments for CHE 129 Exam 1,
Wednesday September 21ST, 8:45 10:15 PM
Earth & Space Science 001
DO NOT GO TO THE WRONG
ROOM OR YOU W
Solutions, Acids & Bases
Visualizing a Solution
Sugar dissolves in
Water is the solvent.
(largest amount by
Sugar is the solute.
Sugar molecules are
the water molecu
Review Questions for Exam 1, CHE 129 Fall 2016, from Fall 2015
On the Scantron form, bubble in the letter of the one choice that best completes the statement or answers the
question. No credit will be given for multiple answers.
1. For e
statement that Egypt is a gift
of the Nile cannot be disputed.
Without the Nile the whole land
would be an inhospitable
There is a natural division of
the country between the
Delta and Upper Egypt, and
Limiting reactants and reaction yield
Transformation of a Set of Substances to
Recipe for change is a ch
How do we predict chemical change?
The central goal of this unit is to help you identify and
apply the different factors that help predict the
likelihood of chemical reactions.
M1. Analyzing Structure
M2. Comparing Free Energies
From last time:
substances, mixtures, and compounds!
Which statement A - D is not correct?
A) Substances are elements or compounds and
are homogeneous and pure.
B) Mixtures consist of two or more substances
combined in amounts that can vary.
C) An ele
Mass number = number of protons + number of neutrons.\ Periodic Trends Electro negativity increases going up the column and going right of the row
1 Methane Methyl 2 Ethane Ethyl 3 Propane Propyl 4 Butane Butyl 5 Pentane Pentyl 6 Hexane Hexyl 7 Hept
September 25, 2007 Section R02 3: 86, 88. 100, 101 86. What is the difference between an empirical formula and a molecular formula? Use the compound ethane, C2H6, to illustrate your answer. An empirical formula is a formula that reports the simplest
September 21, 2007 Section R02 3: 29, 34, 48, 58, 64
29. Which of these are the correct formulas of compounds? For those that are not, give the correct formula. A. AlCl incorrect; AlCl3 B. NaF- correct C. Fe2O5- incorrect; Iron (II) oxide (FeO); Iro
Che-130 Pogil Activity Begin to Plan Your Solution 1. Restate the problem in your own words. Your statement should clearly identify what you need to find in order to solve the problem and provide an answer to the question. Using the information provi
September 25, 2007 Section R02 3: 70, 75, 78, 80 70. How many molecules of this CFC are you releasing to the air when you empty the can? 250 grams CCl2F2 X 1 mole CCl2F2 = 2.0676 mol 120.9135 grams CCl2F2 6.022 x 1023 molecules = 1.25 x 1024 molecule
September 19, 2007 Section R02 3: 6, 10, 19, 20, 27 6. Give the name for each of these binary nonmetal compounds. A. NF3- Nitrogen Trifluoride B. HI- hydrogen (I) iodide C. BBr3- Boron Tribromide D. C6H14- hexane 10. Write structural formulas for the
Begin to Plan Your Solution
1. Restate the problem in your own words. Your statement should clearly identify what you
to find in order to solve the problem and provide an answer to the question.
Determine the amount of ammonium nitrate,
The Ancient World
Scope of the Course
on Old World complex societies
(civilizations) and their early histories
Time frame: emergence of
complexity until the 3rd Century CE
How is social power created, organized,