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AP Chem Final Review

Subject: 
Chemistry
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Nuclear chemistry
Nuclear physics
Chemical elements
Baryons
Chemistry
Nuclear binding energy
Neutron
Hydrogen
Alkane
Properties of water
Proton
Solution
AP Chem Chemistry

Chemistry Final Review By: AP Chemistry Class Nuclear...Some Definitions ? Nucleons-any particle found in the nucleus - ex(protons and neutrons) ? Nuclide-atom defined by # of protons and neutrons in nucleus ? Isotopes-same # of protons, but different # of neutrons ? Attraction stronger in nucleus than repulsion ? Hideki Yukawa Nuclear Types of forces: ? Strong Nuclear Force-interaction that binds nucleons together when very close...short distances=larger nuclei Nuclear Binding energy: ? When protons and neutrons come together, energy released ? More stable=Lower Energy ? Nuclear Binding energy-energy released when nucleons come together ? Mass of atom < combined masses of separate parts

AP Chem Study Guide

Subject: 
Chemistry
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Nuclear chemistry
Nuclear physics
Chemical elements
Baryons
Chemistry
Nuclear binding energy
Neutron
Hydrogen
Alkane
Properties of water
Proton
Solution

Chemistry Final Review By: AP Chemistry Class Nuclear...Some Definitions ? Nucleons-any particle found in the nucleus - ex(protons and neutrons) ? Nuclide-atom defined by # of protons and neutrons in nucleus ? Isotopes-same # of protons, but different # of neutrons ? Attraction stronger in nucleus than repulsion ? Hideki Yukawa Nuclear Types of forces: ? Strong Nuclear Force-interaction that binds nucleons together when very close...short distances=larger nuclei Nuclear Binding energy: ? When protons and neutrons come together, energy released ? More stable=Lower Energy ? Nuclear Binding energy-energy released when nucleons come together ? Mass of atom < combined masses of separate parts

Campell9EdChapter3WaterandLife

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Biology
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Inorganic solvents
Bases
Equilibrium chemistry
Physical chemistry
Acids
Properties of water
Hydrogen bond
water
Solution
Acid
Hydronium
solubility

Water and Life Chapter 3 Overview: The Molecule That Supports All of Life Water is the biological medium on Earth All living organisms require water more than any other substance Most cells are surrounded by water, and cells themselves are about 70?95% water The abundance of water is the main reason the Earth is habitable ? 2011 Pearson Education, Inc. Figure 3.1 Polar covalent bonds in water molecules result in hydrogen bonding The water molecule is a polar molecule: the opposite ends have opposite charges Polarity allows water molecules to form hydrogen bonds with each other ? 2011 Pearson Education, Inc. Figure 3.2 Hydrogen bond Polar covalent bonds ? ? ? + ? + ? ? ? ? ? + ? + ? ? Four emergent properties of water contribute to Earth?s suitability for life

AP Bio Chp 3

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Biology
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Equilibrium chemistry
Inorganic solvents
Oxides
Acids
Physical chemistry
Properties of water
PH
Hydronium
water
Hydrogen bond
Acid
Solution

AP Biology Reading Guide Chapter 3: Water and the Fitness of the Environment Fred and Theresa Holtzclaw Copyright ? 2010 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 3: Water and the Fitness of the Environment Concept 3.1 The polarity of water molecules results in hydrogen bonding 1. Study the water molecules at the right. On the central molecule, label oxygen (O) and hydrogen (H). 2. What is a polar molecule? Why is water considered polar? 3. Now, add + and ? signs to indicate the charged regions of each molecule. Then, indicate the hydrogen bonds. 4. Explain hydrogen bonding. How many hydrogen bonds can a single water molecule form?

quiz 2

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Biology
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Inorganic solvents
Oxides
Physical chemistry
Chemical bonding
Supramolecular chemistry
Properties of water
Solution
Chemistry
Chemical bond
Hydrogen bond
water
Benzene

Magnesium has 12 protons. How many electrons are in its second energy level? a. 2 b. 4 c. 6 d. 8 e.10 Which of the following statements correctly describes any chemical reaction that has reached equilibrium? a. The concentration of products equals the concentration of reactants. b. Both forward and reverse reactions have halted. c. The rate of the forward reaction equals the rate of the reverse reaction. d. The reaction is now irreversible e. No reactants remain.

campbell_ap_bio_practice_test_ch3

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Biology
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Chemistry
Bases
Equilibrium chemistry
Inorganic solvents
Acid-base chemistry
Oxides
Properties of water
PH
Hydrogen chloride
Hydroxide
water
Solution

Chapter?3 Water?and?the?Fitness?of?the?Environment Multiple-Choice?Questions 1) In?a?single?molecule?of?water,?two?hydrogen?atoms?are?bonded?to?a?single?oxygen?atom?by A) hydrogen?bonds. B) nonpolar?covalent?bonds. C) polar?covalent?bonds. D) ionic?bonds. E) van?der?Waals?interactions. Answer: C Topic: Concept?3.1 Skill: Knowledge/Comprehension 2) The?slight?negative?charge?at?one?end?of?one?water?molecule?is?attracted?to?the?slight?positive?charge?of?another water?molecule.?What?is?this?attraction?called? A) a?covalent?bond B) a?hydrogen?bond C) an?ionic?bond D) a?hydrophilic?bond E) a?hydrophobic?bond Answer: B Topic: Concept?3.1 Skill: Knowledge/Comprehension 3) An?example?of?a?hydrogen?bond?is?the?bond?between A) C?and?H?in?methane?(CH4).

intro to biochemistry and water worksheet

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Biology
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Chemistry
Chemical bonding
Inorganic solvents
Oxides
Chemical elements
Properties of water
water
Chemical polarity
Chemical bond
Solution
Hydrogen bond
Oxygen

1 Name: _____________________________ Date: ______________________________ 1. Because oxygen atoms tend to attract positively charged atoms, organic compounds that contain oxygen atoms tend to form ________________ bonds. 2. In the molecule that has the chemical formula C2H4, the carbon atoms are bonded together with a _________________________ bond. 3. What are the three types of bonds? _________________, ______________________, ___________________ 4. A substance that tends not to react with water, "Water hating" , is ________________________ 5. Breaking of _______________ bonds is the first thing that happens when water is heated, which means that it takes a

water

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Biology
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Chemistry
Inorganic solvents
Oxides
Supramolecular chemistry
Physical chemistry
Chemical bonding
Properties of water
water
Solution
Micelle
Hydrogen bond
Hydrogen

1 LECTURE 2: Water Hydrogen oxide Dihydrogen monoxide Hydrogen hydroxide Course outline - Water ? Structure of water ? Solvent Properties ? pH properties ? Temp. Regulation ? Heat capacity ? Heat of fusion ? Heat of vapourization ? Surface Tension ? Capillarity BL10J HALL 2006 2 Objectives ? At the end of this lesson you should be able to: ? Describe the structure of the water molecule ? Describe how water molecules are affected by ? pH, Temperature, Surface tension, Capillarity ? Explain the properties of water that make it an effective solvent. BL10J HALL 2006 3 BL10J HALL 2006 4 Water ? Abundant on earth. ? Covers 3/4 of the earth?s surface ? 70% of our body weight. ? Makes life possible.

AP Bio: Potato Osmosis Lab Report

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Biology
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Chemistry
Analytical chemistry
Chemical properties
Sweeteners
Physical chemistry
Solution
Sucrose
Osmosis
Molar concentration
Potato
concentration
Mass
#AP Biology #AP Bio #Biology

As visible from the data presented in the table and graph, the mass change in percent seems to decrease as the sucrose concentration increases. There seems to be minimal percent change of mass between 0.7M and 0.8M. Conclusions/Discussion After carefully recording data, we extrapolated that there is an inverse relationship between sucrose concentration and mass change. The inverse relationship is that as sucrose concentration increases, the mass change will decrease. By the conclusion, it was also concluded that the color-coded solutions had molarities of: Yellow= 0.2M Blue= 0.4M Clear= 0.6 Pink= 0.8M Green= 1M The hypothesis was supported by this conclusion.

bio

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Biology
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Chemistry
Mixture
Chemical substance
Physical change
Homogeneous
Chemical compound
Homogeneity and heterogeneity
Chemical element
Solution
matter
Phase
Chemical change
Environment

Warm-Up Your car's gas tank holds 18.6 gallons and is one quarter full. Your car gets 16 miles/gal. You see a sign saying, "Next gas 73 miles." Your often-wrong brother, who is driving, is sure you'll make it without running out of gas. You're not so sure and do some quick figuring: Matter and Change Matter: Anything that has mass and takes up space. Mass: measure of the amount of matter. Matter and Change Atoms: Smallest unit of an element that maintains the properties of that element Elements: pure substance made of one atom. Compounds: made of atoms of two or more elements that are chemically bonded Physical properties and changes Physical properties: quality or condition of a substance that can be observed or measured without changing the substance

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