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Chemical elements

Chapter 2 Biology AP Notes

Subject: 
Biology
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Chemistry
matter
Periodic Table
Chalcogens
Chemical elements
Nonmetals
Sulfur
Polymer
Oxygen
Environment
Technology

10/23/13 9:46 AM Chapter 2 Basic chemistry Important elements in Bio 6 elements hydrogen phosphate sulfur oxygen nitrogen carbon Polar vs. nonpolar What are the properties of water? H20 properties Chapter 3 Monomers to polymers Carbohydrates Chapter 2-3 Review 10/23/13 9:46 AM 10/23/13 9:46 AM
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chemistry

Subject: 
Chemistry
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Chemistry
Chemical bonding
Inorganic solvents
Chemical elements
Nonmetals
Oxides
Properties of water
Chemical polarity
Chemical bond
Carbon monoxide
Hydrogen bond
Hydrogen

AP Chemistry Final Exam Version P Fall 2005 3 Free Response questions, 45 minutes CALCULATORS MAY BE USED. You will also have a periodic table, equation sheets, and the standard reduction potential table. Clearly show the method used and the steps involved in arriving at your answers. It is to your advantage to do this, since you may obtain partial credit if you do and you will receive little or no credit if you do not. Attention should be paid to significant figures. Note: For all questions, assume that the temperature is 298 K, the pressure is 1.00 atmospheres, and solutions are aqueous unless otherwise specified. Record all your work on this exam; you will only be given credit for answers showing work. NAME: PERIOD: 1 2 3 4 January 10-12, 2006

AP Chemistry Lab: Determination of the Empirical Formula of Magnesium Oxide

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Chemistry
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Chemistry
matter
Chemical elements
Magnesium
Analytical chemistry
Crucible
Laboratory equipment
Oxygen
Oxide
Mole
health

Conclusion 1) One error could be if the Magnesium did not heat all the way, then there were still solid pieces of Magnesium that could have made the mass greater. Extra mass in the crucible could cause the oxygen to be too low because extra mass would consume more space and would lessen the amount of space for oxygen within the crucible. 2) a. If you put more water in to the crucible than is needed for reaction 3, and did not wait for the excess water to dry out, then there would be to little oxygen. This is because the product in the crucible and the water would increase the amount of weight of the crucible/product as a whole and would leave little space for oxygen.

APES beginner vocabulary

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Environmental Science
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Chemistry
matter
Biology
Chemical elements
Nonmetals
metabolism
cellular respiration
Reducing agents
Carbon
energy
Autotroph
Radioactive decay
Environment

Basic Scientific Concepts Organic vs. Inorganic: The primary difference between organic compounds and inorganic compounds is that organic compounds always contain carbon while most inorganic compounds do not. Also, all organic compounds contain carbon, hydrogen or C-H bonds. Ex. of Organic Compounds: Nucleic Acids, Fats, Sugars, Proteins, Enzymes, Fuels, DNA, and Methane CH4 Ex. of Inorganic Compounds: Salts, Metals, Table Salt and Carbon Dioxide Gene: A unit of heredity; a segment of DNA nucleus of the cell that contains information for the synthesis of a specific protein. Ex: Enzymes Gene pool: Combined genetic information, such as alleles, of all the members of a particular population.

Stoichiometry review questions

Subject: 
Chemistry
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Chemistry
Mass
Greenhouse gases
Chemical elements
Dietary minerals
Reducing agents
Limiting reagent
Molecular mass
Mole
Molar mass
Ethane
Stoichiometry

A substance with the formula AB has the composition by mass of 30% A and 70% B. What is the composition by mass of the compound A2B? 70% A, 30% B 50% A, 50% B 46% A, 54% B 60% A, 40% B 65% A, 35% B A mass of 21.5 grams of calcium hydroxide reacts with an excess of phosphoric acid. What mass of calcium phosphate could be recovered from solution? 31.6 grams 94.7 grams 326 grams 284 grams 186 grams Given the equation 3A + 4B ? 2C + 3D, you react 5 moles of A with 7 moles of B. Which of the following statements is true? B has a greater molar mass than A A is the limiting reactant A has a greater molar mass than B

Chemistry Basics (1st half of chemistry books)

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Chemistry
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Chemistry
Physics
matter
Physical quantities
Chemical elements
State functions
thermodynamics
Gas
Properties of water
Chemical reaction
Oxygen
Temperature

CHAPTER ONE: Mass Kilogram (kg) Balance scale Volume Cubic Meter (m?) Graduated cylinder Temperature Kelvin (K) Thermometer Length Meters (m) Meter stick Time Seconds (sec) Stopwatch Energy Joules (J) (Measured Indirectly) Independent: what you control Dependent: what you measure or observe CHAPTER TWO: Ionic Compounds: 2 elements/ a metal & nonmetal Write the name of the metal (cation) Write the name of the non-metal (anion) with the suffix ?-ide? Polyatomic ions don?t change their name Molecular Compounds: 2 non-metals/ no hydrogen First word= name of first element with no name change Second word= name of second element with ending change to ?-ide? Prefix with mono, di, tri, tetra, penta, hexa, hepta, octa, nona, or deca

Chemistry Basics (1st half of chemistry books)

Subject: 
Chemistry
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Chemistry
Physics
matter
Physical quantities
Chemical elements
State functions
thermodynamics
Gas
Properties of water
Chemical reaction
Oxygen
Temperature

CHAPTER ONE: Mass Kilogram (kg) Balance scale Volume Cubic Meter (m?) Graduated cylinder Temperature Kelvin (K) Thermometer Length Meters (m) Meter stick Time Seconds (sec) Stopwatch Energy Joules (J) (Measured Indirectly) Independent: what you control Dependent: what you measure or observe CHAPTER TWO: Ionic Compounds: 2 elements/ a metal & nonmetal Write the name of the metal (cation) Write the name of the non-metal (anion) with the suffix ?-ide? Polyatomic ions don?t change their name Molecular Compounds: 2 non-metals/ no hydrogen First word= name of first element with no name change Second word= name of second element with ending change to ?-ide? Prefix with mono, di, tri, tetra, penta, hexa, hepta, octa, nona, or deca

Chapter 3 Figures Living in the Environment Miller

Subject: 
Environmental Science
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Chemistry
Physics
Nuclear physics
Nuclear materials
Chemical elements
State functions
Neutron moderators
Nuclear chemistry
Deuterium
Nuclear fission
Hydrogen
Temperature
Environment
Technology

Stepped Art Figure 3-2 Page 41 Ask a question Do experiments and collect data Formulate hypothesis to explain data Do more experiments to test hypothesis Revise hypothesis if necessary Well-tested and accepted hypotheses become scientific theories Interpret data Well-tested and accepted patterns In data become scientific laws ? 2004 Brooks/Cole ? Thomson Learning Rate of metabolic chemical reactions Heat input from sun and metabolism Heat loss from air cooling skin Heat in body Positive feedback loop Blood temperature in hypothalamus Excess temperature perceived by brain Sweat production by skin Negative feedback loop Figure 3-3 Page 46 Hydrogen (H) 0 n 1 p 1e 1 n 1 p 2 n 1 p 1e 1e Mass number = 0 + 1 = 1 Hydrogen-1 (99.98%) Mass number = 1 + 1 = 2 Hydrogen-2 or deuterium

Living in the Environment Chapter 2 Supplement

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Environmental Science
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Physics
Chemistry
Nuclear physics
radioactivity
Nuclear chemistry
Chemical elements
Nuclear fuels
microbiology
Uranium
Ionizing radiation
Nuclear fission
Radiation
Environment

Chapter 2 Science, Systems, Matter, and Energy Chapter Overview Questions What is science, and what do scientists do? What are major components and behaviors of complex systems? What are the basic forms of matter, and what makes matter useful as a resource? What types of changes can matter undergo and what scientific law governs matter? Chapter Overview Questions (cont?d) What are the major forms of energy, and what makes energy useful as a resource? What are two scientific laws governing changes of energy from one form to another? How are the scientific laws governing changes of matter and energy from one form to another related to resource use, environmental degradation and sustainability? Updates Online

SAT Chem Orgo

Subject: 
Chemistry
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Chemistry
Functional Groups
Chemical elements
Organic compounds
Nonmetals
Acids
Alkane
Carbon
Haloalkane
Hydrogen bond
Nitric acid
Amino acid
Environment

Carbon and Organic Chemistry Carbon?Three allotropic forms: Diamond, graphite, and amorphous Fullerens?New allotropic form of carbon?Near sperical cages of carbon atoms Diamond?Close-pakced crystal structure that gives a property of extreme hardness Carbon?Bonded to four other carbons in a tetraheral arragement Almost endless number of covalent ponds All bonds in this structure are equally strong, therefore very hard and notriously difficult to melt Diamond?Melting point at 3,550 degrees celsius. Synthetic diamonds can be made by putting carbon to extremely high pressurs and temperature Graphite form is made up of planes of hexagonal structures that are wealkly bonded to the planes above and below?Explains the slippery feeling of graphite

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