Chapter 1Chapter 1

Matter and Matter and MeasuremenMeasuremen

tsts

The Periodic Table of Elements

The Most Common ElementsThe Most Common Elements(memorize these)(memorize these)

http://simple.wikipedia.org/wiki/http://simple.wikipedia.org/wiki/List_of_common_elementsList_of_common_elements

Know the name and symbol. Be Know the name and symbol. Be ready for a quiz!! (Change the ready for a quiz!! (Change the spelling of Sulfur from Sulphur)spelling of Sulfur from Sulphur)

Chapter 1-1 VocabularyChapter 1-1 VocabularyDefine and give 2 examples of the followingDefine and give 2 examples of the following

Complete using the internet. Type in Word, save to Complete using the internet. Type in Word, save to your drive and email to me.your drive and email to me.

ElementElement CompoundCompound MixtureMixture Homogeneous MixtureHomogeneous Mixture Heterogeneous MixtureHeterogeneous Mixture

Element ADventureElement ADventure

Webquest time!!!Webquest time!!! http://web.buddyproject.org/http://web.buddyproject.org/

web017/web017/quest.htmlweb017/web017/quest.html

Online QuizOnline Quiz

http://www.chem4kids.com/files/elemhttp://www.chem4kids.com/files/elem_intro.html_intro.html

Movie Day!Movie Day!

Matter and Its Properties: What Matter and Its Properties: What Makes Up Matter? Makes Up Matter?

Quiz to follow! Quiz to follow!

Chapter 1-2 VocabularyChapter 1-2 VocabularyDefine and give 2 examples of the followingDefine and give 2 examples of the following

Complete using the internet. Type in Word, save to Complete using the internet. Type in Word, save to your drive and email to me.your drive and email to me.

UnitUnit English SystemEnglish System Metric SystemMetric System International System (SI)International System (SI) Significant FiguresSignificant Figures

Complete the following Chart Complete the following Chart for the SI Units of for the SI Units of

MeasurementMeasurementPhysical QuantityPhysical Quantity Name of UnitName of Unit SymbolSymbol

MassMass

LengthLength

TemperatureTemperature

TimeTime

Amount of a SubstanceAmount of a Substance

Electric CurrentElectric Current

Luminous IntensityLuminous Intensity

Use: http://physics.nist.gov/cuu/Units/units.html

Complete the following SI Complete the following SI prefixesprefixes

PrefixPrefix SymbolSymbol MeaningMeaning Power of 10 for Power of 10 for scientific scientific notationnotation

MM 1,000,0001,000,000 101066

KK 10001000 101033

HH 100100 101022

Name of unit hereName of unit here 11 101011

DD 0.10.1 1010-1-1

CC 0.010.01 1010-2-2

MM 0.0010.001 1010-3-3

ΜΜ 0.00000010.0000001 1010-6-6

NN 0.00000000010.0000000001 1010-9-9

Use: http://physics.nist.gov/cuu/Units/prefixes.html

SI Unit ReviewSI Unit Review

http://www.science.uwaterloo.ca/~cchttp://www.science.uwaterloo.ca/~cchieh/cact/c120/siunits.htmlhieh/cact/c120/siunits.html

Counting Significant FiguresCounting Significant Figures

Counting:Counting:– With a decimal:With a decimal:– Without a decimal:Without a decimal:

Try these!!Try these!! Extra Practice:Extra Practice:

– http://science.widener.edu/svb/tutorial/http://science.widener.edu/svb/tutorial/sigfigures.htmlsigfigures.html

– http://antoine.frostburg.edu/chem/http://antoine.frostburg.edu/chem/senese/101/measurement/sigfig-senese/101/measurement/sigfig-quiz.shtmlquiz.shtml

Rules of Significant FiguresRules of Significant Figures Use http://en.wikipedia.org/wiki/Significance_arithmetic Use http://en.wikipedia.org/wiki/Significance_arithmetic How do we know how many figures (numbers) to write How do we know how many figures (numbers) to write

when we are adding or subracting 2 or more numbers?when we are adding or subracting 2 or more numbers?

– Using this information, find the answer to the following:Using this information, find the answer to the following: 2.1 + 2.11 =2.1 + 2.11 = 15 + 5 + 6.12=15 + 5 + 6.12= 86.232 – 5.00 =86.232 – 5.00 =

How do we know how many figures (numbers) to write How do we know how many figures (numbers) to write when we are multiplying or dividing 2 or more numbers?when we are multiplying or dividing 2 or more numbers?

– Using this information, find the answer to the following:Using this information, find the answer to the following:– 35.72 (0.00590) =35.72 (0.00590) =– 6810.2 / 2.4 = 6810.2 / 2.4 = – 4450 ÷ 5.00 =4450 ÷ 5.00 =

Significant Figure PracticeSignificant Figure Practice

http://science.widener.edu/svb/tutorihttp://science.widener.edu/svb/tutorial/sigfigures.htmlal/sigfigures.html

http://antoine.frostburg.edu/chem/sehttp://antoine.frostburg.edu/chem/senese/101/measurement/sigfig-quiz.shnese/101/measurement/sigfig-quiz.shtmltml

Unit ConversionsUnit Conversions TemperatureTemperature

– Kelvin:Kelvin:– Celsius:Celsius:– Fahrenheit:Fahrenheit:

Practice these conversions:Practice these conversions: 320K = ______________________ °C320K = ______________________ °C 25°C = ______________________K25°C = ______________________K 37.0°C = _____________________K37.0°C = _____________________K -62°C = ______________________K-62°C = ______________________K 50K = _____________________°C50K = _____________________°C 163°C = _____________________K163°C = _____________________K

Dimensional AnalysisDimensional Analysis

Try this website: Try this website: http://www.chemcollective.org/stoichttp://www.chemcollective.org/stoich/dimensionalanalysis.phph/dimensionalanalysis.php

Because there are two different units for Because there are two different units for any measurement, we need to be able to any measurement, we need to be able to convert between the two. convert between the two.

Common conversions: (You will be given Common conversions: (You will be given these, you do not have to memorize them! these, you do not have to memorize them! YAY!)YAY!)

Dimensional Analysis StepsDimensional Analysis Steps

– Write what you knowWrite what you know– Form a ratio using your conversion Form a ratio using your conversion

charts.charts.– Be sure your units cancel outBe sure your units cancel out– Multiply across the top and divide by Multiply across the top and divide by

what is on the bottom.what is on the bottom.– Check your number of significant Check your number of significant

figures.figures.– Make sure your answer makes sense.Make sure your answer makes sense.

Try These!Try These!

1.1. How many hours in 345.72 days?How many hours in 345.72 days?

2. An Italian bicycle has its frame size 2. An Italian bicycle has its frame size given as 62cm. What is the frame given as 62cm. What is the frame size in inches?size in inches?

3. The length of a marathon is 26.2 3. The length of a marathon is 26.2 miles. What is this distance in miles. What is this distance in kilometers?kilometers?

4. According to a highway sign, the 4. According to a highway sign, the distance from St. Louis to Chicago is distance from St. Louis to Chicago is 295 miles. How far is this distance in 295 miles. How far is this distance in kilometers?kilometers?

5. A certain US car has a fuel efficiency 5. A certain US car has a fuel efficiency rating of 36.2 miles per gallon. rating of 36.2 miles per gallon. Convert this to kilometers per liter.Convert this to kilometers per liter.

6. How many seconds are we in school 6. How many seconds are we in school every year? (We are in school 180 every year? (We are in school 180 days per year, 6 and a half ours each days per year, 6 and a half ours each day.)day.)

Properties: Chemical vs. Properties: Chemical vs. PhysicalPhysical

What is a chemical property?What is a chemical property? What is a physical property?What is a physical property? What does intensive and extensive What does intensive and extensive

mean?mean?– Hint: Hint:

http://www.fordhamprep.org/gcurran/shhttp://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson15.htmo/sho/lessons/lesson15.htm

SolubilitySolubility Define solubility: Define solubility:

http://en.wikipedia.org/wiki/Solubilityhttp://en.wikipedia.org/wiki/Solubility

Solve this problem:Solve this problem:– Taking the solubility of potassium nitrate, Taking the solubility of potassium nitrate,

KNO3, to be 246 g/ 100 g of water at 100°C KNO3, to be 246 g/ 100 g of water at 100°C and 32 g / 100 g of water at 20°C, calculate:and 32 g / 100 g of water at 20°C, calculate: the mass of water required to dissolve 100 g of KNO3 the mass of water required to dissolve 100 g of KNO3

at 100°C.at 100°C. the amount of KNO3 the amount of KNO3

DensityDensity

Define Density:Define Density: What is the equation for Density?What is the equation for Density? Complete the following problem:Complete the following problem:

– To determine the density of ethyl To determine the density of ethyl alcohol, a student pipets a 5.00 mL alcohol, a student pipets a 5.00 mL sample into an empty flask weighing sample into an empty flask weighing 15.246 g. He finds that the mass of the 15.246 g. He finds that the mass of the flask + ethyl alchol = 19.171 g. flask + ethyl alchol = 19.171 g. Calculate the density of ethyl alcohol.Calculate the density of ethyl alcohol.