AP Chemistry Vocabulary Chapter 1
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Chemistry
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http://course-notes.org/Chemistry
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Guide for writing Abstracts
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Chemistry Abstract Guidelines Typed and spaced at 1 and ? lines apart. Font: Times Roman- no larger than 12. The article must pertain to the field of science, health or technology. Avoid political or economic issues, such as health care reform. Also, no advertisements, such as ?Health Talk? etc? from the Fort Worth Star Telegram. One full page! An abstract is a summary of the article. It usually does not contain a lot of details. It should be in your own words. The article can be from a magazine, scientific journal, newspaper, or the internet. A copy of the original article or a printout of the internet article MUST BE SUBMITTED WITH THE ABSTRACT.
AP Chem Chapter 5 Noteguide
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Thermochemistry
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Thermochemistry heat a form of energy that is transferred in a difference of temperature Such energy transfer can occur in three ways: radiation, conduction, and convection Expressed in the unit of joules : 1 cal = 4.184 J The specific heat (s) [most books use lower case c] of a substance is the amount of heat (q) required to raise the temperature of one gram of the substance by one degree Celsius. The heat capacity (C) of a substance is the amount of heat (q) required to raise the temperature of a given quantity (m) of the substance by one degree Celsius. q = c ? m ? ?t CALORIMETER- insulated device used for measuring the amount of heat absorbed or released during a chemical or physical process. tHERMOCHEMIstry and Thermochemical EQUATIONS
Units, Scientific Notation, and Significant Figures (Terms & Definitions)
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Terms and Definitions
Accuracy - The extent to which an experimental result agrees with a known or correct value.
British System - A system of units, rather arbitrarily based. It is the system of units primarily used by the United States. It is not the system of units used in science (see metric system). Conversion tables reside in the "Reference" pull-down menu at the top of most SparkNotes pages.
Metric system - A standardized system of units based on 10. Generally, the measurement system used in science, and in everyday life through most of the world (but not in the United States, which uses the British system).
Precision - The extent to which an experiment is reproducible.
Atomic Structure Notes
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Stoichiometry Notes
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Stoichiometry mass and amount relationships between reactants and products in a chemical reaction Rules for Solving Stoichiometry Problems A balanced, properly written equation is essential because the coefficients tell you the mole to mole ratio. Converting to moles is essential! Example: When CaC2 reacts with water, acetylene gas (C2H2) and calcium hydroxide are produced. How many grams of water are required to produce 1.55 moles of C2H2? Step 1: Write a balanced equation. CaC2 + 2H2O ? C2H2 + Ca(OH)2 Step 2: Determine what info you have and what you are trying to determine. You know you need to produce 1.55 moles of C2H2, and you need to determine how many grams of water are required to do this.
Gas Laws Notes
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Gas Laws Properties of Gases Fluids Low density Highly compressible Completely fill a container and exert pressure in all directions Pressure the force exerted per unit of area Units of pressure: kilopascal (kPa) atmosphere (atm) torr (torr) millimeters of mercury (mmHg) pounds per square inch (psi) 1 atm = 760 mm Hg = 760 torr = 101 kPa Pressure and Volume How are pressure and volume of a gas related? Think about the demos yesterday. What are the words we use for this relationship? What would a graph look like? Pressure and Volume Boyle?s Law: the volume of a certain mass of gas at constant temperature is inversely proportional to the pressure applied to the gas P1V1 = P2V2 P V
Chemistry Honors Semester 1 Study Guide
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Makana Roh Chem H Semester 1 Chapter 1: Intro to Chemistry Chemistry- the study of matter and the changes that it undergoes Matter- anything that has mass and takes up space Mass- a measure of the amount of matter Weight- a measure not only of the amount of matter but also the effect of Earth?s gravitational pull on that matter Scientific method- a systematic approach used in scientific study that typically includes observation, a hypothesis, experiments, data analysis, and a conclusion Qualitative data- information describing color, odor, shape, or some other physical characteristic Quantitative data- numerical information describing how much, how little, how tall, how fast, etc. Hypothesis- a tentative, testable statement or prediction about what has been observed
modern chemistry review packets for chapters 1, 10 and 15
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