Calorimetry_Measurements

Calorimetry_Measurements - Temperature Initial 18.2°C...

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Trial 1 Salt 1- NaI Mass: 5.17g Volume of water: 51.0 mL Temperature Initial: 19.0°C Temperature final: 20.4°C Salt 2- NaCl Mass: 5.05g Volume of water: 52.0 mL Temperature Initial: 19.0°C Temperature final: 17.8°C Salt 3- NaOH Mass: 5.39g Volume of water: 50.1 mL Temperature Initial: 18.5°C Temperature final: 45.7°C Trial 2 Salt 1- NaI Mass: 5.22g Volume of water: 55.0 mL Temperature Initial: 18.1°C Temperature final: 19.0°C Salt 2- NaCl Mass: 5.22g Volume of water: 50.0 mL Temperature Initial: 18.1°C Temperature final: 17.5°C Salt 3- NaOH Mass: 2.33g Volume of water: 61.2 mL
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Unformatted text preview: Temperature Initial: 18.2°C Temperature final: 27.2°C For dissociation of the following in water : CaCl 2 : change in enthalpy = -88.0 kJ mol-1 KCl: change in enthalpy = +17.0 kJ mol-1 KI: change in enthalpy = +20.3 kJ mol-1 KOH: change in enthalpy = -57.6 kJ mol-1 NaCl: change in enthalpy = +3.9 kJ mol-1 NaHCO 3 : change in enthalpy = +15.9 kJ mol-1 NaI: change in enthalpy = -7.6 kJ mol-1 NaNO 3 : change in enthalpy = + 8.0 kJ mol-1 NaOH: change in enthapy = -44.5 kJ mol-1 NH 4 NO 3 : change in enthalpy = +25.7 kJ mol-1 ....
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This document was uploaded on 11/19/2010.

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Calorimetry_Measurements - Temperature Initial 18.2°C...

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