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Physics

Newton's 3 laws

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I. Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it. II. The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors III. For every action there is an equal and opposite reaction.
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Specific heat capacity table

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Specific Heat Capacity Table Substance Specific Heat Capacity? at 25oC in J/goC H2 gas 14.267 He gas 5.300 H2O(l) 4.184 lithium 3.56 ethyl alcohol 2.460 ethylene glycol 2.200 ice @ 0oC 2.010 steam @ 100oC 2.010 vegetable oil 2.000 sodium 1.23 air 1.020 magnesium 1.020 aluminum 0.900 Concrete 0.880 glass 0.840 potassium 0.75 sulphur 0.73 calcium 0.650 iron 0.444 nickel 0.440 zinc 0.39 copper 0.385 brass 0.380 sand 0.290 silver 0.240 tin 0.21 lead 0.160 mercury 0.14 gold 0.129 ?
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Enthalpy of formations chart for common substances

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Table of Heats of Formation Compound ?Hf (kJ/mol) Compound ?Hf (kJ/mol) AgBr(s) -99.5 C2H2(g) +226.7 AgCl(s) -127.0 C2H4(g) +52.3 AgI(s) -62.4 C2H6(g) -84.7 Ag2O(s) -30.6 C3H8(g) -103.8 Ag2S(s) -31.8 n-C4H10(g) -124.7 Al2O3(s) -1669.8 n-C5H12(l) -173.1 BaCl2(s) -860.1 C2H5OH(l) -277.6 BaCO3(s) -1218.8 CoO(s) -239.3 BaO(s) -558.1 Cr2O3(s) -1128.4 BaSO4(s) -1465.2 CuO(s) -155.2 CaCl2(s) -795.0 Cu2O(s) -166.7 CaCO3 -1207.0 CuS(s) -48.5 CaO(s) -635.5 CuSO4(s) -769.9 Ca(OH)2(s) -986.6 Fe2O3(s) -822.2 CaSO4(s) -1432.7 Fe3O4(s) -1120.9 CCl4(l) -139.5 HBr(g) -36.2 CH4(g) -74.8 HCl(g) -92.3 CHCl3(l) -131.8 HF(g) -268.6

Magnetism

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Magnetism is the force between magnetic poles, like poles repel opposites attract. Force varies as inverse spuare of distance. Stronger than gravity and there are no such thing as a single pole. Magnetic field lines will always be loops since magnetic fields always have both a North and a South. Compasses will align with the field lines and by convention magnetic force and field go from N to S. All magnetism is caused by accelerating electric charges.

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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

Graphene Writeup

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Tucker Oppenheim April 29, 2011 Gray C block Friday reading Graphene The material graphene can be described as a tiny layer composed of graphite. In the article it goes over the possibility of graphene being used as a new and up and coming material. The reason they think this is because it is the thinnest material able to be made. Some uses they believe might be useful are the use of graphene in the making of batteries. The goal would be to minimize the space required for battery operation. In addition to it's thin demeanor, they say its trait's will change future technology greatly. It is said to be 200 times stronger than steel. In addition to its strength it is also the best electricity conductor.

Arrangement of Electrons in Atoms Vocabulary Terms

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Amplitude ? magnitude of change within an oscillating system of the oscillation variable with each oscillation Angular momentum quantum number ? the quantum number that indicates the shape of an orbital Atomic emission spectrum ? the range of the frequencies of electromagnetic radiation Aufbau Principle ? the principle that states that the structure of each successive element is obtained by adding one proton to the nucleus of the atom and one electron to the lowest-energy De Broglie?s Relation ? said that particles can exhibit wave-like behaviour Electromagnetic radiation ? the radiation associated with an electric and magnetic field. Varies periodically and travels at the speed of light Electromagnetic spectrum ?all of the frequencies or wavelengths of electromagnetic radiation

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