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Properties of water

Cell Diffusion

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Biology
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Transport phenomena
Cell Biology
Agar
Gels
Polysaccharides
Red algae
Surface-area-to-volume ratio
Cell membrane
Molecular diffusion
diffusion
Cube
Properties of water

Agar Cell Diffusion Vanderbilt Student Volunteers for Science Summer, 2005 Training Presentation Important!!! Please use this resource to reinforce your understanding of the lesson! Make sure you have read and understand the entire lesson prior to picking up the kit! We recommend that you work through the kit with your team prior to going into the classroom. This presentation does not contain the entire lesson?only selected experiments that may be difficult to visualize and/or understand. I. Introduction (p.2) What is a cell? Cells are the structural and functional unit of all living organisms. How do cells grow? Most cells grow, but upon reaching a certain size, a cell will divide becoming two smaller cells. How do cells take in nutrients and get rid of wastes?

AP Chemistry MIDTERM review B

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Chemistry
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Inorganic solvents
Oxides
Bases
Enthalpy
Titration
Properties of water
water
Hydroxide
Enthalpy of vaporization
Distillation

An acid solution of unknown concentration is to be titrated with a standardized hydroxide solution that will be released from a buret. The buret should be rinsed with: hot distilled water distilled water at room temperature a sample of the unknown acid solution a sample of the hydroxide solution a neutral salt solution B 100 B 200 B 300 B 400 As a beaker of water is heated over a flame, the temperature increases steadily until it reaches 373K. At that point, the beaker is left on the flame, but the temperature remains at 373 as long as there is water in the beaker. This is because at 373K, the energy provided by the flame: no longer acts to increase the kinetic energy of the water molecules is completely absorbed by the glass beaker

AP Chem Final Review

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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

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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

AP Chemistry Zumdahl 7E Chapter 18 Notes

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Chemistry
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Chemical elements
Periodic Table
Nonmetal
Properties of metals, metalloids and nonmetals
Oxide
Hydride
Metalloid
Hydrogen
Fluorine
Properties of water
Origin and use of the term metalloid
Carbon

AP Chemistry A. Allan Chapter 18 - The Representative Elements: Groups 1A through 4A 18.1 A Survey of the Representative Elements A. Basic Trends 1. Metals tend to lose electrons and form cations 2. Nonmetals tend to gain electrons and form anions 3. Metalloids (semi-metals) have properties of both metals and nonmetals a. B, Si, Ge, As, Sb, Te, Po, At 4. Metallic character tends to increase as atomic number increases within a group B. Atomic Size and Group Anomalies (Anomaly = oddity) 1. Hydrogen vs. Other Group I Elements a. Very small, relatively high electronegativity (2.1) b. Forms covalent bonds with nonmetals - other Group I elements form ionic bonds with nonmetals 2. Beryllium vs. Other Group II Elements a. Small, electronegativity of 1.5 produces covalent bonds with

AP Chemistry Zumdahl 7E Chapter 10 Notes

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Chemistry
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Chemical bonding
Gases
Materials science
intermolecular forces
Chemical properties
Properties of water
Chemical bond
Molecular solid
Hydrogen bond
Vapor pressure
Enthalpy of vaporization
Boiling point

1 Chapter 10 - Liquids and Solids 10.1 Intermolecular Forces A. Dipole-Dipole Forces 1. Attraction between molecules with dipole moments a. Maximizes (+) ----- ( - ) interactions b. Minimizes (+) ----- ( + ) and (-) ----- ( - ) interactions 2. About 1% of strength of ionic bonds a. Unimportant in gas phase due to distance between molecules B. Hydrogen Bonding 1. Special dipole-dipole attraction a. Hydrogen covalently bonded to highly electronegative elements (N, O, F) has a higher than normal d+ charge 2. Bond strength is higher than other dipole-dipole attractions 3. Important in the bonding of molecules such as water and DNA C. London Dispersion Forces 1. Instantaneous dipoles a. Random movement of electrons can create a momentary

Matter - Notes

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Chemistry
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Chemistry
Chemical substance
Mixture
Distillation
Homogeneous
Physical change
Chemical compound
Chemical reaction
Homogeneity and heterogeneity
Separation process
Boiling point
Properties of water

Notes ? Matter Describing Matter Definition - Anything that has mass and takes up space. Matter can be in three states (plasma is another state but exists at high energy that we will not deal with) Solid ? definite shape, definite volume, particles packed closely together Liquid ? indefinite shape, definite volume, particles can flow easily Gas/Vapor ? indefinite shape, indefinite volume, particles are spaced far apart Similar terms but not interchangeable Gases exist as gases at room temperature Vapors are in a gaseous state but generally exist as solids or liquids Characteristic/Physical Properties Physical Properties ? characteristics that are observed but never change for a substance Boiling point (condensation) - temperature at which a liquid turns to a vapor

inorganic chemistry lab report: Physical Properties

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Chemistry
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Laboratory techniques
Transparent materials
Analytical chemistry
Phase transitions
Separation processes
Filtration
Properties of water
solubility
Sand
Glass
Polyethylene terephthalate
Water filter

1 Experiment 3: Physical Properties Objective: The objective of this experiment is to separate Sand, Potassium Nitrate, and Blue Impurity from the mixture base on different physical properties of these matters. Also, filtration and fractional crystallization are used to complete the procedure. Method:

inorganic chemistry lab report: Calorimeter – the science of measuring Heat

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Chemistry
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Physical quantities
Calorimetry
Laboratory equipment
Heat transfer
thermodynamics
Calorimeter
Measuring instrument
Heat
Properties of water
Enthalpy
First law of thermodynamics
Temperature

Liu1 Experiment 8: Calorimeter ? the science of measuring Heat Objective: The objective of this experiment is to determine the specific heat capacity of an unknown metal and the heat of solution for the salt. Method: A calorimeter is a device used for calculate the enthalpy change of reaction, the science of measuring the heat of chemical reactions or physical change as well as heat capacity. The heat capacity of an object is the amount of heat needed to raise the temperature by 1K (or 1?C). The heat capacity of one gram of a substance is called its specific heat capacity.

Raven Biology Chapter 2 Notes

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Biology
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Chemical bonding
Chemical bond
Hydrogen bond
Covalent bond
Chemistry
Properties of water
Chemical polarity
Chemical reaction
molecule
Ionic bonding
Energy level
Hydrogen

Gavin Morgan 8/31/2015 Chapter 2 2-Point Notes The Nature of Atoms Atomic structure includes a central nucleus and orbiting electrons: 1. Danish physicist Niels Bohr created the model of the atom in 1913, which is still used today. 2. An atom?s mass is measured in daltons (6.02 x 1023 daltons = 1 g). A proton and neutron each way 1 dalton. Electrons determine the chemical behavior of atoms: 1. The position of an electron cannot be determined at any given time. 2. Orbitals are predictions where electrons are most likely to be found. Atoms contain discrete energy levels: 1. Electrons contain discrete energy levels which correspond to quanta.

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