Experiment Two: Compound Stoichiometry
Few people realize the importance of stoichiometry in their everyday life. Stoichiometry,
which is the calculations scientists use to predict and measure chemical reactions, is used by
many big-time comp
Experiment 3: Synthesis of an Alum KAl(SO4) 2 12H2O
The objective of experiment three is to help students visualize the chemical
reaction between two elements that eventually produce a precipitate. In this experiment,
we will be using aluminu
Experiment 25: The Fertilizer Project- Analysis of Phosphorus in
Construct a Calibration Curve
1. Obtain 20 mL of a standard stock solution of 5.00x10E-3.0 into a dry 50-mL beaker
2. Create a working solution by using a Mohr
Experiment 4: The N-Bottle Problem
The ability to identify a chemical or compounds components is an important part of life.
Without knowing what something has in it can be injurious or fatal in some cases. Experiment
4s objective is an import
Experiment 2: Reaction Stoichiometry by Thermometric
The net result of a reaction (a chemical change) is summarized by a chemical equation. In
order to write a chemical equation, a chemist must determine experimentally what the reac
Gravimetric Method Results:
Mass of Sample
Mass of P in
Expected % P2O5
Experiment 6: Introduction to Spectroscopy
Spectroscopy is a very important topic in many fields of science. Scientists use
spectroscopy to study matter and its physical processes. In fields such as astronomy,
spectrometry is used to measure
; the 1 pressure of a liquid
gimmvsagzct the choice that best
degree of conectness of this statement;
boiling point of the liquid is 78 C.
Vapor Pressure, mmg
amazement is true.
oat is probably false; additional data would be needed for
WM Required.- (1) The expected products of comb
5:Xperimental data. (3) The determination of mole ratio on actions 0f
in a formula.
W it Through: This Is the general equation for the complete combustion of a hydrocarbon.
CXH, + (x + y'l4)02 -) xCO
pnciples of bomb calorimetry. (2) The meaning of heats of combu ti
calorimeter is an insulated container that contains a re '
The mo chamber. or bomb, is surrounded by water th
,. device is often used to study reactions at constant volume
The combustion reaction of C3H30 with 02
is represented by this
balanced chemical equation. w
20,H,o + 902 -> 6C02 + snzo Csso 60.1 g-mol
. 0 32-0 smoll
When 3.00 g C,H30 and 7.38 g 02 are combined, how many moles of which reagent remain?
WW Rewind: (1) Hund's rule. cfw_2) The orgier of filling of electron mam (3)1he ebility to n :' .
,ymbolic representations with positions In the periodic table.
It Through: Selenium is in Group VIA, the fourth column of the p-block. Lower
Ag (aq) + Cl(aq) -> AgClm at 25 C
(D) H209) > H200) at 100 C
l in entropy. In choice (A), all of the '- .
, ef gas of diatomic gases to only two maxim 5:32:12 :13: P11? and
_. _ rnoteordcredta process likelytoproduceadecrea
Stereotype Threat Affects Financial Decision Making
Priyanka B. Carr and Claude M. Steele
Psychological Science 2010 21: 1411 originally published online 20 September 2010
'. . ~ V. M, gleam. my 4.x u. . ,. zantuehwv. . . V .r -
._ ._- c. m Wmmet w
21. 'Ihe limiting reagent in a particular reaction can be recognized because it is the reagent that
(A) has the smallest coefcient in the balanced equation.
d: (l) The relationship of meltin ' - .
Knowledst Regan? 8 P0111! With purity. (2) The inte ta . _
data- rpre tron of experimental
n it Through: Pure substances can be differentiated b .
bases afe in equilibrium. This temperature is termed the meltfizd
Understanding molecular structure requires knowledge of the spatial arrangement of atoms in a molecule, The
c management of atoms in molecules can be determined by experiment, but bonding theories and l I.
Such as dipole moment, which is a measure of mo
States 01 Matter/Solutions
16. WI tie the molnity of a solution made by dissolving
8.56 g ofsodium acetate in water and diluting to
(A) 5.30M (B) 0.139M (C) 0.104M
(D) 0.0783 M
17, A student wants to prepare 250. mL of 0.10 M NaCl
1. A compound is found to consist of 34.9% sodium, 16.4% boron and 48.6% oxygen. What is its
(A) N830: (B) NaBOa (C) N823407 (D) N89130:
1. Upon analysis, a compound is found to contain 22.8% sodium, 21.8% boron, and 55.4% oxygen.
W Requirld: (l) The meaning of mass percent. (2) The interpretation of chemical formulas.
W it Through: This type of question starts with a chemical formula and uses it to determine the
W for any element in a compound. Mass percent is a comparison of the
576mm of Matter/Solutions
Knowledge: (1) States of matter. (2.) Interpretation of
(3) Denition of melting paint.
melting point of a substance is
m it Magic: The normal
and liquid phases are in
tin tempmmre at which the so d
V eric pressure, 760 mmHg. From
When alpha particles were shot at a metal foil target to probe the structure
particles passed through without any deection in path. Some particles were
This indicated to Rutherford that
oz gases at 20 C and 1 atm Mm,
aqua] volumes of CH4
that is one-half that of the O2 Sunple.
the number of CH. mo .
- If the molar masses of the two gases are considered, 15
called. This means that even though an equal number of . :
gent. (2) me method for carrying out
'dentication of the limiting rea _
metamole co . The interpretation of a balanwd chemical equation. _ _ mm
mm: it Through: There are two reactants given, so the rst step bi: it: de
States of Matter/Solutions
c R: d: (1) The denition of molarity. (2) The lmowled ' '
mwmwur for p .118 dilute solutions. ge of vocabulary assocmted With solutions.
ugh: Molanty IS commonly used to express the concentration of a solution
Which of the relationships is(are) true about water boiling in
a container that is open to the atmosphere?
Knowledge Required: (1) The meaning of the thermodynamic functions of en'talpy, entrov py. and free energy,
(2) The changes in thermody
C H A P T E R
Chapter 3: Motivation
What is motivation?
Views of motivation
Five guidelines for building motivation
Developing a realistic view of motivation
Achievement motivation and
C H A P T E R
Welcome to Sport and
Chapter 1: Welcome to Sport and Exercise Psychology
What is sport and exercise psychology?
Two objectives of sport and exercise
Whom is sport and exercise psychology
C H A P T E R
Chapter 5: Competition and Cooperation
Defining competition and cooperation
Competition as a process
Psychological studies of competition and
Social factors influencing competitio
C H A P T E R
Chapter 9: Leadership
What is leadership and how do leaders and
How leaders are chosen
Functions of leaders
Approaches to studying leadership
Multidimensional model of sport leadership
KNEE AND ANKLE JOINTS
Now, The Knee Joint
Boney anatomy of ankle at end
C H A P T E R
Personality and Sport
Chapter 2: Personality and Sport
What is personality and why is it important?
What makes up personality?
Major approaches to understanding
Measuring and assessing personality
Dos and d
C H A P T E R
Arousal, Stress, and
Chapter 4: Arousal, Stress, and Anxiety
The nature of arousal and anxiety
Defining arousal and anxiety
Measuring arousal and anxiety
Relationship between trait and state anxiety
Muscles of the back
Extrinsic back muscles
of head to opposite
Along with the
lower traprotation o