Lecture 2 â�� Energy

# Lecture 2 â�� Energy - Lecture 2 Energy Energy...

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Lecture 2 – Energy Energy Capacity or ability to do work Translation or Motion Force acting over some distance Force (F) acting over some distance (d) F=ma F * d = Energy Energy = Joule Two Types of Energy Kinetic o (1/2)*M*V*V o Motion Potential o M*G*H o Position Thermal Energy Calorie o Heat energy required to raise temperature of one gram of water by 1 degree Celsius o Calorie = 4.185 Joules Change of State o H 2 O Solid to H 2 O Liquid to H 2 O Gas o Requires 334 J/g from Solid to Liquid o Requires 2260 J/g from Liquid to Gas Chemical Reactions H 2 + (1/2)O 2 = H 2 O Liquid + 68 Kilocalories CH 4 + 2O 2 = 2H 2 O + CO 2 + 802 KJ/mol Nuclear Reactions E=MC 2 235 U + 1 N o Fission Fragments + 2-3 Neutrons + 200 MeV Electron Volt (eV) = 1.6 * 10

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Lecture 2 â�� Energy - Lecture 2 Energy Energy...

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