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Physics

Reactions and Enzymes

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Biology
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Thermodynamics
Chemical thermodynamics
Chemistry
Physics
State functions
Thermochemistry
Endergonic
Exergonic reaction
Exergonic
Energy
Entropy

Endergonic and exergonic | Back to Top Energy releasing processes, ones that "generate" energy, are termed exergonic reactions. Reactions that require energy to initiate the reaction are known as endergonic reactions. All natural processes tend to proceed in such a direction that the disorder or randomness of the universe increases (the second law of thermodynamics). Time-energy graphs of an exergonic reaction (top) and endergonic reaction (bottom). Images from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates (www.sinauer.com) and WH Freeman (www.whfreeman.com), used with permission. Oxidation/Reduction | Back to Top

Electron configurations and Lewis dot structures quiz

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Chemistry
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Chemistry
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Chemical bonding
Quantum chemistry
Atomic physics
Electron
Leptons
Lewis structure
Technology

Name: Electron Configurations and Lewis Dot Structures Quiz Which is the correct ground state electron configuration for Fluorine? 1s22s22p5 1s22s22p2 1s22s22p4 1s22s22p1 Which is the correct ground state electron configuration for Neon? 1s22s22p63s1 1s22s22p5 1s22s22p43s1 1s22s22p6 The full electron configuration for an element is 1s22s22p63s1 . What element is this? What is this elements symbol on the periodic table How many valence electrons does this element have? Draw Lewis Dot Structures for the following elements C N O F Ne Si S P Cl Ar Based on the Lewis Dot Structures you drew in question 4 explain what relationship (if any) you notice between the group number and the number of valence electrons.

Electron filling diagram

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Chemistry
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1s2s2p
electron
chemestry

1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 5f ? 6s 6p 6d ? 7s 7p ? 8s ? The order of increasing energy of the sublevels: 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 4f 5d 6p 7s 5f 6d ? This order corresponds to the order in which the energy sublevels are filled by electrons. nucleus 1s 2s 2p 3s 3p 4s 3d 4p 4d 4f n = 1 n = 2 n = 3 n = 4 Energy level (n) Energy sublevel Increasing Energy
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peer pressure essay

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English
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Physics
Youth
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Management
Peer pressure
Peer group
Adolescence
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Pressure
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peer pressure

Sierra Payne Speech 4th period 3/19/09 Peer Pressure ?A social pressure by members of one?s peer group to take a certain action, adopts certain values, or otherwise conforms in order to be accepted.? That is the definition of peer pressure in the dictionary. Many adolescents feel peer pressure every day. Lots of research shows that peer pressure has a bigger impact on teens that anything else. Its one of those things you can?t get away from. There are many other types of Peer pressure other than drugs and alcohol. You can be pressured to be someone your not, be a certain religion or wear special clothes. I know I am not the only one here that has been pressured by my peers.

Simple, Introductory Version for Solving Laplace’s Equation

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Physics
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Spreadsheet
Numbers
Vacuum
Battery
Electromagnetism
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Laplace's Equation
This version handles objects in a D=2 universe in rectangular coordinates. Alas many people are unfamiliar with the laws of physics in flatland (D=2). Therefore it might be better to think of this as a D=3 universe in which all D=3 objects are infinitely tall and translationally invariant along the Z axis. This is not the same as considering a thin “D=2” object embedded in the D=3 universe. Rather, each cell represents an area dx∧dy in the XY plane. The spreadsheet to handle this case can be found in reference 1.

chemistry lab

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Chemistry
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Density
Aluminum building wiring
Graduated cylinder
Volume
Gauge
Physics
Chemistry
Matter

Using Density to Verify the Thickness of a Wire Purpose- To determine the density of aluminum and then determine the density of an aluminum wire Materials- Aluminum wire, Aluminum Shots, Water, Graduated Cylinder, Ruler, & Scale Procedures- Fill the graduated beaker with water. Measure the amount of mL and grams of water. Grab a handful of aluminum shots add it to the water. Measure the amount of mL and grams of water with the shots. Do steps 3 & 4 two more times. Then measure the aluminum wire?s weight and length using centimeters and grams. Find the calculated diameter of the wire. Data- Trial Mass of Aluminum Shot added (g) Initial volume of water (mL) Final volume of water + aluminum shot (mL) Volume of Aluminum Shot (mL) 1 10.5 50 54 4 2

Uniform accelerated motion vocab

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Motion
Kinematics
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Algebra
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Classical mechanics
Velocity
Acceleration
Displacement
Speed
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uniform accelerated motion; velocity; speed; slope; acceleration; displacement; distance

Speed: The time rate of motion Slope = change in distance/change in time (rise/run) Scalar: the distance moved per unit of time Average speed (scalar): the ratio of the total distance traveled to the total time Total distance/elapsed time (m/s) Instantaneous speed (scalar): the speed of an object at a particular moment in time The slope of the line that is tangent to the curve at a given point Velocity (vector): speed in a particular direction Average velocity (vector): the total displacement divided by the total elapsed time Displacement /Elapsed time = (?x)/ (?t) Instantaneous velocity: The speed and direction an object moves at a particular moment in time

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