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Notes covered in Exam2

# Notes covered in Exam2 - Chapter 6a(6.1-6.3 Energy work and...

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Chapter 6a (6.1-6.3) Energy, work and heat

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Energy and its Forms Kinetic Energy : energy of movement - atoms and molecules in motion - the movement of macroscopic objects - the movement of electrons - light, electromagnetic radiation Potential Energy : energy of position - attraction between electrons and atomic nuclei in molecules - position relative to the earth - the separation of charge Energy:
Law of Conservation of Energy : the of energy in is assumed CONSTANT Energy cannot be created or destroyed Conversion of Energy Mechanical Thermal Electrical Radiant Gravitational Electrostatic Chemical elevator generator light bulb falling book battery wood burning car engine

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Units of Energy Calorie (cal) - the amount of required to raise 1.00g of pure liquid water by Joule (J) - the SI unit of energy related directly to the units of potential and kinetic energy  J . s m kg .  m/s) .  kg)( . ( 0 1 0 1 0 1 0 2 2 2 2 2 1 = = If a 2.0kg object is traveling at a velocity of 1.0 m/s then: = = Energy Kinetic 2 mv 2 1 Dietary Calories = kcals (sect. 5.7) distance force = = m N J force s m kg N of unit SI / 2 = =
System The object(s) or substance(s) whose change we are going to observe. Surroundings

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Notes covered in Exam2 - Chapter 6a(6.1-6.3 Energy work and...

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