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Chemistry 141 Fall 2006

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MW 11:00am-12:15 pm TTh 11:00 1:50pm. Office Hours. See Web Page May Change ... You should know how to do stoichiometry, solution problems, and the gas laws. ... – PowerPoint PPT presentation

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Title: Chemistry 141 Fall 2006


1
Chemistry 141 ? Fall 2006
  • Cary Willard
  • Office 314
  • Phone 644-7427
  • cary.willard_at_gcccd.edu
  • www.grossmont.edu/cwillard/

2
Lecture Lab MW 1100am-1215 pm TTh
1100 150pm Office Hours See Web Page
May Change
3
  • This course is the first semester of the
    two-semester general chemistry course for
    science, engineering, and pre-professional majors
  • You should know how to do stoichiometry, solution
    problems, and the gas laws.
  • You should know basic chemical nomenclature.
  • You must be comfortable working with basic
    laboratory equipment such as balances, burets,
    pipets, etc.

4
Prerequisites
  • Chemistry 120 or consent of instructor.
  • Good working knowledge of intermediate algebra.

5
Text
  • Chemistry by McMurry and Fay 4th edition
  • Study Guide and solutions manual also available.
  • Lab Book by Grossmont Faculty

6
Additional Requirements
  • Spiral Bound Homework Notebook
  • Safety Glasses
  • Covered Shoes
  • Non-erasable Ink Pen
  • Scientific Calculator with Logs and Exponents
  • Master Lock

7
Grading
  • Quizzes 15
  • Exams 35
  • Assignments 10
  • Lab 25
  • Final Exam 15

8
Grading Scale
  • A 88
  • B 78
  • C 67
  • D 55
  • Must pass both lab and lecture to pass course!

9
Make-up Policy
  • Quizzes - No make up allowed. Lowest quiz will
    be dropped.
  • Exams - Must be make up within 1 week of original
    test date. (With a reasonable, verifiable excuse).

10
Late Work
  • Labs - lose 20 per week late. No labs accepted
    more than 2 weeks late. Due dates on schedule.
  • Computer assignments lose 50 if completed late.

11
Attendance
  • Regular attendance is mandatory - you may be
    dropped if you miss more than 9 hours of class (1
    week).
  • You will not be dropped if you have not checked
    out of the laboratory! This means you will
    receive an F!!!!

12
Academic Integrity Policy
  • All work must be your own!
  • Calculators will not contain cheat sheets!
  • See college catalog for more information, as well
    as the Grossmont Chemistry Departments Academic
    integrity Policy.

13
Disabled Students
  • Students with disabilities who may need
    accommodations in this class are encouraged to
    notify the instructor and contact Disabled
    Student Programs Services (DSPS) early in the
    semester so that reasonable accommodations may be
    implemented as soon as possible. Students may
    contact DSPS in person in Room 110 or by
    telephone at (619) 644-7112 or (619) 644-7119
    (TTY for deaf).

14
What is Chemistry?
  • Chemistry is the science of the properties,
    composition, and behavior of materials.
  • Chemistry is the science concerned with
    describing and explaining the different forms of
    matter and the chemical reactions or matter.

15
Branches of Chemistry
  • Applied Chemistry - the search for and isolation
    of useful materials.
  • Theoretical Chemistry - Provides a chemical view
    of nature and explanations of natural processes.

16
Chemistry is the Central Science
17
Scientific Method
  • Observation a statement that accurately
    describes something we see, hear, taste, feel, or
    smell.
  • Conclusion a statement that is based on what we
    think about a series of observations.

18
Observations and Conclusions
  • Before fermentation, grape juice is very sweet
    and contains no alcohol.
  • After fermentation, the grape juice is no longer
    as sweet and it contains a great deal of alcohol.
  • In fermentation, sugar is converted into alcohol.

19
Observations and Conclusions
  • During fermentation, bubbles of a colorless,
    odorless gas form in the grape juice.
  • In fermentation, sugar is converted into alcohol
    and a colorless gas.

20
From Scientific Method
  • Laws - observations that are consistent
  • Theories or Models - unifying explanation for a
    set of observations, facts, and laws

21
  • Empirical facts
  • (observations, data)
  • Scientific laws
  • (tested generalizations)
  • Hypothesis
  • (tentative explanation)
  • Theory
  • (tested explanation)
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