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Unformatted text preview: Chemical change Energy and heat Energy ability to do work Measured as heat Heat flow of energy due to a temperature change () Always goes from hot to cold Energy and chemistry Exothermic Endothermic Unites of energy Joule and the Calorie 1 cal = 4.18 J. Exactly 1000 cal = 1 Cal Heat capacity (specified heat) is the amount of energy required to raise 1g of a sample by 1C Calculating energy requirements Q=msT Q: energy (J) M: mass (g) S: heat capacity of material (J/gC) T: change in temperature (T 2 T 1 C)...
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This note was uploaded on 07/02/2008 for the course 004 007 taught by Professor Haverhals during the Summer '08 term at University of Iowa.
- Summer '08