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Topic: How do I "apply" energy?  (Read 9038 times)

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How do I "apply" energy?
« on: April 28, 2004, 04:40:55 PM »
After the thread of applying energy to break certain bonds, that got me thinking as to how to actually "apply" energy. Sure, I could smack something with a hammer, stick a car battery to it, or toss it in a fire, but how I KNOW how much energy I'm delivering in kJ? I can look up molar weight from some table online, but I can't find how much energy (energy can be expressed as kJ, right?) certain things generate.

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