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Physics

Chapter 11

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Chemistry 1210: Introduction to General Chemistry Dr. Gina M. Florio 06 Dec. 2012 Brady, Jespersen, & Hyslop Chapter 11 Properties of Gases Properties of Gases Compressible Low Density Exert Pressure (temperature dependence) Expand Mixable Some common properties of gases: While bulk properties, these intimate a molecular level foundation. Properties of Gases Recall that our understanding of kinetic energy in molecular systems relies on a molecular-level picture of gases. Kinetic Theory of Gases (CH 7) Example: Pressure Units of Pressure Standard atmosphere (atm): the pressure needed to support a column of mercury 760 mm high measures at 0 ?C The SI unit of pressure is the pascal (Pa): Pressure Measurements Open-ended Mercury Manometer:

The Grand Design

Math Review Answers

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AP BIO EQUATIONS AND FORMULAS REVIEW SHEET #1 Formulas: Mode = value that occurs most frequently in a data set Median = middle value that separates the greater and lesser halves of a data set Mean = sum of all data points divided by the number of data points Range = value obtained by subtracting the smallest observation (sample minimum) from the greatest (sample maximum) Standard Deviation = where = mean and n = size of the sample Example problem: One of the lab groups collected the following data for the heights (in cm) of their Wisconsin Fast Plants: 5.4 7.2 4.9 9.3 7.2 8.1 8.5 5.4 7.8 10.2 Find the mode, median, mean, and range. Show your work where necessary. 4.9 5.4 5.4 7.2 7.2 7.8 8.1 8.5 9.3 10.2 Mode:__5.4, 7.2 ___

Math Problems Answer

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AP BIO EQUATIONS AND FORMULAS REVIEW SHEET #1 Formulas: Mode = value that occurs most frequently in a data set Median = middle value that separates the greater and lesser halves of a data set Mean = sum of all data points divided by the number of data points Range = value obtained by subtracting the smallest observation (sample minimum) from the greatest (sample maximum) Standard Deviation = where = mean and n = size of the sample Example problem: One of the lab groups collected the following data for the heights (in cm) of their Wisconsin Fast Plants: 5.4 7.2 4.9 9.3 7.2 8.1 8.5 5.4 7.8 10.2 Find the mode, median, mean, and range. Show your work where necessary. 4.9 5.4 5.4 7.2 7.2 7.8 8.1 8.5 9.3 10.2 Mode:__5.4, 7.2 ___

Semester 1 Final Study Guide

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Chemistry Final Exam Study Guide, Chapters 1-8 Chapter 1. Matter and Change Chemistry ? the study of matter and its changes Branches of Chemistry ? 1. Organic Chemistry ? substances containing carbon 2. Inorganic Chemistry ? substances not containing carbon 3. Biochemistry ? chemistry of living things DNA, protein, lipids, carbohydrates 4. Physical Chemistry ? properties and changes of matter with respect to energy 5. Analytical Chemistry ? identification of components and composition of matter. 6. Theoretic Chemistry ? creates mathematical models of chemical behavior Chemical ? any substance with a definite composition Mass ? amount of matter Matter ? takes up space and has mass

Electrostatics Lab

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Name____________________ Date______ Section___________________ Group_____ Physics Laboratory Exercise Electrostatics Lab *Adapted from Flynn Scientific ??? Introduction: Objects obtain positive and/or negative charges through the transfer of electrons. Friction is not a requirement of charge transfer. Rather, it is the relative attraction for electrons of the different materials that determines the direction of electron transfer. In this lab activity, you will explore positive and negative charges, electrostatic attraction and repulsion and conduction and induction using basic materials. Objective: To charge a number of materials and explore electrostatic attraction and repulsion.

campbell_ap_bio_practice_test_ch2

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Chapter?2 The?Chemical?Context?of?Life Multiple-Choice?Questions 1) About?25?of?the?92?natural?elements?are?known?to?be?essential?to?life.?Which?four?of?these?25?elements?make?up approximately?96%?of?living?matter? A) carbon,?sodium,?chlorine,?nitrogen B) carbon,?sulfur,?phosphorus,?hydrogen C) oxygen,?hydrogen,?calcium,?sodium D) carbon,?hydrogen,?nitrogen,?oxygen E) carbon,?oxygen,?sulfur,?calcium Answer: D Topic: Concept?2.1 Skill: Knowledge/Comprehension 2) Trace?elements?are?those?required?by?an?organism?in?only?minute?quantities.?Which?of?the?following?is?a?trace element?that?is?required?by?humans?and?other?vertebrates? A) nitrogen B) calcium C) iodine D) sodium E) phosphorus Answer: C Topic: Concept?2.1 Skill: Knowledge/Comprehension

Velocity Review

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Name ______________________________ Date _________ Mr. Carcich Physics Velocity Test Review You need to know: The definition of kinematics. The difference between: Vectors and Scalars; and examples of each. Distance and Displacement; which is scalar? Which is vector? Speed and Velocity; which depends on direction also? **Can your speed remain constant but your velocity be changing? Explain. Two ways to have a constant velocity? Three ways to change your velocity? What is your acceleration when your velocity is constant? Graphing Derive data from, compare, and interpret the following graphs: Distance vs. Time Graph Slope = ___________ Horizontal line = ___________________ Linear Direct = ______________________________

Work Power Machines Review

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Name ______________________________ Date ____ Mr. Carcich CP Physics Work/Power/Machines Review Be sure you understand completely the following concepts. You need to know: Work The definition and units for work. What is 1 Joule equivalent to? Work is done when a force causes an object to be displaced 1 J= How can you tell if work is being done? What are the two requirements for work? How must they be acting? (Parallel or perpendicular) Work is done only when the force is parallel to the dispalcement Object must be displaced for work to take place When will work be positive? When will work be negative? Positive: force and displacement in same direction Negative: force and displacement in different directions How can you increase the amount of work you do?

Midterm Physics Exam

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Name __________________________ Mr. Carcich Physics Practice Mid-term Exam (2) Multiple Choice: 1) The first two parts of the scientific method are a. observation and question b. question and hypothesis c. theory and conclusion d. hypothesis and experiment 2) A logical and time-tested explanation of a phenomenon that occurs in the natural world is a. observation b. natural law c. theory d. hypothesis 3) The measure of how fast something is moving is defined as a. velocity b. speed c. acceleration d. free fall 4) Which of the following is not a valid unit of speed a. km/h b. centimeters per day c. light years per century d. joules per decade 5) Speed in a given direction is defined as

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