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Chapter 17 - Thermochemistry

Chapter 17 - Thermochemistry

Chapter 17 - Thermochemistry

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3/30/2013How many moles of NH 4 NO 3 (s) must be dissolved in waterso that 88.0 kJ of heat is absorbed from the water? Emeralds are composed of theelements chromium, aluminum,silicon, oxygen, and beryllium.What if you wanted todetermine the heat of reactionwithout actually breaking thegems down to their componentelements? You will see how youcan calculate heats of reactionfrom known thermochemicalequations and enthalpy data.27

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