1 / 23

Chapter 1

Chapter 1. Matter and Measurements. The Periodic Table of Elements. The Most Common Elements (memorize these). http://simple.wikipedia.org/wiki/List_of_common_elements Know the name and symbol. Be ready for a quiz!! (Change the spelling of Sulfur from Sulphur).

melba
Download Presentation

Chapter 1

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 1 Matter and Measurements

  2. The Periodic Table of Elements

  3. The Most Common Elements(memorize these) • http://simple.wikipedia.org/wiki/List_of_common_elements • Know the name and symbol. Be ready for a quiz!! (Change the spelling of Sulfur from Sulphur)

  4. Chapter 1-1 VocabularyDefine and give 2 examples of the followingComplete using the internet. Type in Word, save to your drive and email to me. • Element • Compound • Mixture • Homogeneous Mixture • Heterogeneous Mixture

  5. Element ADventure • Webquest time!!! • http://web.buddyproject.org/web017/web017/quest.html

  6. Online Quiz • http://www.chem4kids.com/files/elem_intro.html

  7. Movie Day! • Matter and Its Properties: What Makes Up Matter? • Quiz to follow!

  8. Chapter 1-2 VocabularyDefine and give 2 examples of the followingComplete using the internet. Type in Word, save to your drive and email to me. • Unit • English System • Metric System • International System (SI) • Significant Figures

  9. Complete the following Chart for the SI Units of Measurement Use: http://physics.nist.gov/cuu/Units/units.html

  10. Complete the following SI prefixes Use: http://physics.nist.gov/cuu/Units/prefixes.html

  11. SI Unit Review • http://www.science.uwaterloo.ca/~cchieh/cact/c120/siunits.html

  12. Counting Significant Figures • Counting: • With a decimal: • Without a decimal: • Try these!! • Extra Practice: • http://science.widener.edu/svb/tutorial/sigfigures.html • http://antoine.frostburg.edu/chem/senese/101/measurement/sigfig-quiz.shtml

  13. Rules of Significant Figures • Use http://en.wikipedia.org/wiki/Significance_arithmetic • How do we know how many figures (numbers) to write when we are adding or subracting 2 or more numbers? • Using this information, find the answer to the following: • 2.1 + 2.11 = • 15 + 5 + 6.12= • 86.232 – 5.00 = • How do we know how many figures (numbers) to write when we are multiplying or dividing 2 or more numbers? • Using this information, find the answer to the following: • 35.72 (0.00590) = • 6810.2 / 2.4 = • 4450 ÷ 5.00 =

  14. Significant Figure Practice • http://science.widener.edu/svb/tutorial/sigfigures.html • http://antoine.frostburg.edu/chem/senese/101/measurement/sigfig-quiz.shtml

  15. Unit Conversions • Temperature • Kelvin: • Celsius: • Fahrenheit: • Practice these conversions: • 320K = ______________________ °C • 25°C = ______________________K • 37.0°C = _____________________K • -62°C = ______________________K • 50K = _____________________°C • 163°C = _____________________K

  16. Dimensional Analysis • Try this website: http://www.chemcollective.org/stoich/dimensionalanalysis.php • Because there are two different units for any measurement, we need to be able to convert between the two. • Common conversions: (You will be given these, you do not have to memorize them! YAY!)

  17. Dimensional Analysis Steps • Write what you know • Form a ratio using your conversion charts. • Be sure your units cancel out • Multiply across the top and divide by what is on the bottom. • Check your number of significant figures. • Make sure your answer makes sense.

  18. Try These! • How many hours in 345.72 days? 2. An Italian bicycle has its frame size given as 62cm. What is the frame size in inches?

  19. 3. The length of a marathon is 26.2 miles. What is this distance in kilometers? 4. According to a highway sign, the distance from St. Louis to Chicago is 295 miles. How far is this distance in kilometers?

  20. 5. A certain US car has a fuel efficiency rating of 36.2 miles per gallon. Convert this to kilometers per liter. 6. How many seconds are we in school every year? (We are in school 180 days per year, 6 and a half ours each day.)

  21. Properties: Chemical vs. Physical • What is a chemical property? • What is a physical property? • What does intensive and extensive mean? • Hint: http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson15.htm

  22. Solubility • Define solubility: http://en.wikipedia.org/wiki/Solubility • Solve this problem: • Taking the solubility of potassium nitrate, KNO3, to be 246 g/ 100 g of water at 100°C and 32 g / 100 g of water at 20°C, calculate: • the mass of water required to dissolve 100 g of KNO3 at 100°C. • the amount of KNO3

  23. Density • Define Density: • What is the equation for Density? • Complete the following problem: • To determine the density of ethyl alcohol, a student pipets a 5.00 mL sample into an empty flask weighing 15.246 g. He finds that the mass of the flask + ethyl alchol = 19.171 g. Calculate the density of ethyl alcohol.

More Related