Activity 6.1 (Thermochemistry) KEY
1. Identify the following as exothermic or endothermic reactions:
A. Ice melting
B. A sparkler burning
C. Sweat evaporating from your skin
2. Consider the react
Activity 5.1 (gases)
1. For each of the following pairs of pressure measurements, indicate whether the first list
measurement is larger than, equal to, or smaller than the second listed measurement.
(Note: 1 atm = 760 mmHg = 101.3
Activity 2.1 Ch 2 Key
Write the correct formula of the compound formed from the following ions:
Activity V ionic Equations
1. Indicate for compound whether it is an acid or a base.
a. HN03 Arm 0
b. KOH (th
c. Ba(OH)2 is M
Cl. HCl03 Mn
e. Hl (*ch
f. HCN (34 o
2. Nomenclature Review:
e. Hl '
Activity 3.1 (% Composition and Empirical Formula)
Calculate the percent composition of magnesium carbonate.
x 100 28.83 %;
x 100 14.24 %;
1) If 55.0 g of olive oil has 877 cal of heat added to it at a room temperature of 26.0C, what will be the
final temperature of the olive oil? The specific heat of olive oil is 2.19 cal/gC.
2) A sample of X
Chem101, section: 13236
Instructor: Ahmad Alshawa
Oct. 1, 2013
1) What is the symbol for tungsten?
A) W B) Tu C) Sn D) St E) Ti
2) Which measurement represents the smallest quantity?
A) 2950 ng B) 2.95 10-4 g C) 2.95 103 g D) 2.95 10-6 kg
Sales in Dollars
Mountain College Musk Oxen
Stay In good shape
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Hampton Hills Reorganizes
We have recently reorganized our office staff.
To help you locate the correct person when
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Jose Franco, Office Manager
the laundry room. There
Computing Components: Processors, Memory, the Cloud and More
The Study Guide exercise reinforces material you should know for the chapter.
Instructions: Answer the questions below using the format that helps you
remember best or tha
Natural Fruit Juices and Soft Drinks
Fresh Orange Juice
Fresh Grapefruit Juice
Fresh Apple Juice
Total Drink Sales (August)
Price comparison by dealership
Bernalillo New and Used
Los Alamo Autos
Mountain Auto Sale
Sandia Car Sales
Truchas Truck & Auto
Cash and cash equivelents
Accounts and other receivables
Prepaid expenses and other current assets
Total Current Assets
Proprty and Equipment:
Real estate, net
Lancaster Independent school district
Agenda for board of trustees meeting
7:00p.m, Monday, April 22, 2013
Approve minutes for march 25, 2013 meeting
Approve the tax report for January, 2013
Chem 101 Lecture notes:
1.1 Chemistry-the central science
A.observation- what you observe
B.hypothesis- a quess as to why it happens
C.experiments- test the quess
Anything that has mass and occupies space
Activity Chapter 1
1. Read each measurement to the correct number of significant figures.
2. Combination problems. Round the result to the correct number of significant figures.
a. (4.184)(100.62)(25.27 24.16)
CHEM 111AC, Exp #3 Measurement and Identification
In the part A experiment, the purpose of this experiment is the determination of the
percent recovery and purity of recrystallized vanillin form Experiment 2.The mass of crude
vanillin is 2.032
CHEM 111AC, Exp #2 Separation of Mixtures
In the part A experiment, the evaporation of water from salt water to leave behind the
desired sodium chloride utilizes the differences in boiling points of water and sodium chloride.
First, weigh evapo
CHEM 111AC, Exp #1 Early Explorations and Terminology
In the part A experiment, its the meniscus of the liquid. Its description of surface of
water into graduated cylinder. The surface of water is not horizontal. Volume measurements are
CHAPTER 3 Problems: 2, 6 (a,b), 10, 24, 31, 34, 40, 44 (a,b), 50, 52, 54, 56, 64, 70, 76,
80, 84, 88, 92, 94, 100, 106, 116, 128
2) Explain the difference between the terms molecular mass and formula mass. To what
type of compound does each refer?
A gas does 135 J of work while expanding, and at the same time it absorbs 156 J of heat.
What is the change in internal energy?
The key to getting the correct value of U in Equation (6.7) is to use the correct signs for
the given quan
Solubility of Ionic Compounds in Water
CALCULATING ENTHALPY CHANGES
atomisation enthalpy and bond dissociation enthalpy
The enthalpy change for a chemical reaction can be deduced from considera
FOLIA PARASITOLOGICA 50: 215219, 2003
Transmission electron microscopy of intra-tegumental sensory
receptors in the forebody of Crepidostomum metoecus (Digenea:
Zdeka rsk and Jana Nebesov
Institute of Parasitology, Academy of Sciences of t
PHI THETA KAPPA
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2014 Coca-Cola Leaders of Promise Receive More Than $200,000 in Scholarships
Jackson, MS (Insert student winners name), a student at (insert college n
CITATION: VAOPGCPREC 18-90
Vet. Aff. Op. Gen. Couns. Prec. 18-90
SUBJECT: Line-of-Duty Determination-Unauthorized Absence
A. If it should be established that the veteran was insane at the time of the
Orange County Home Buying Assistance Programs
California Housing Finance Agency
Affordable Housing Partnership Program (AHPP)
A joint effort by CalHFA and cities, counties, redevelopment agencies and housing
authorities whereby a deferred payment subordin