Chapter 17 - Thermochemistry

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3/30/2013◦ The quantity of heat absorbed by a melting solid isexactly the same as the quantity of heat releasedwhen the liquid solidifies; that is, H f = -H s◦ To calculate heat gained during melting:• q = mH f• Reference table T20
3/30/2013How many kJ of heat are required to melt a 10.0 g popsicle at0°C? Assume the popsicle has the same molar mass and heatof fusion as water. Heats of Vaporization and Condensation◦ How does the quantity of heat absorbed by avaporizing liquid compare to the quantity ofheat released when the vapor condenses?21
Page 3 and 4: 3/30/2013• When fuel is burned in
Page 5 and 6: 3/30/2013• An exothermic process
Page 7 and 8: 3/30/2013 Heat Capacity and Specifi
Page 9 and 10: 3/30/2013• Because it is mostly w
Page 11 and 12: 3/30/2013 Calorimetry◦ What basic
Page 13 and 14: 3/30/2013 A small pebble is heated
Page 15 and 16: 3/30/2013• The heat of reaction i
Page 17 and 18: 3/30/2013The production of iron and
Page 19: 3/30/2013 Heats of Fusion and Solid
Page 23 and 24: 3/30/2013• Enthalpy changes accom
Page 25 and 26: 3/30/2013How many kJ of heat are ab
Page 27 and 28: 3/30/2013How many moles of NH 4 NO
Page 29 and 30: 3/30/201329
Page 31 and 32: 3/30/2013• The Standard Heat of F
Page 33: 3/30/201333

Chapter 17 - Thermochemistry

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