Exp 11 Thermochemistry and Hess's Law

Exp 11 Thermochemistry and Hess's Law - Volume 0.5M CuSO4...

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Part A: Heat Capacity of the Calorimeter Trial 1 Trial 2 Trial 3 50 50 N/A 21 22 N/A 50 53 N/A 71 64.5 N/A 100 100 N/A 44.5 42.5 N/A 26.706 28.778 N/A 27.742 Standard Deviation 1.46 Useful Hints 4.18 Density Water (g/ml) 1 Calculations Lab 11: Inquiry into Calorimetry and Heats of Reactions Volume Initial (ml) Temp. initial (C°) Volume Hot Before (ml) Temp. Hot Before (C°) Volume Combined (ml) Temp. Combined (C°) C cal (J/g*C°) C cal (J/g*C°) Mean Value Specific Heat water (J/g*C°)
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Useful Hints Part Two: Heats of Reactions 4.18 627.51 Acid/Base Trial 1 Trial 2 25 N/A 22.5 N/A 25 N/A 50 N/A 27.5 N/A Reaction Type exothermic N/A Enthalpy(J) -648.431 N/A Balanced Eq. Calculations Redox Trial 1 Trial 2 25 N/A 22 N/A 1 N/A 41.2 N/A Reaction Type exothermic N/A Enthalpy(J) -707.844 N/A Balanced Eq. Calculations Specific Heat aqueous (J/g*C°) q cal (J) Volume 1M HCl (ml) Temp. 1M HCl (C°) Volume 1M NaOH (ml) Volume Combined (ml) Temp. Combined (C°) HCl (aq) + NaOH (aq) NaCl (aq) + H 2 O (l)
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Unformatted text preview: Volume 0.5M CuSO4 (ml) Temp. 0.5M CuSO4 (C) Mass Mg (g) Temp. Combined (C) Mg 2+ (s) + CuSO 4 MgSO 4 + Cu 2+ (s) Part Two: Heats of Reactions (Cont') Precipitation Trial 1 Trial 2 25 N/A 21 N/A 25 N/A 50 N/A 24 N/A Reaction Type exothermic N/A Enthalpy(J)-640.06 N/A Balanced Eq. Calculations Solutions of soluble salts Trial 1 Trial 2 25 N/A 22 N/A 1 N/A 19 N/A Reaction Type endothermic N/A Enthalpy(J) 614.96 N/A Balanced Eq. Calculations Volume 0.5M AgNO3 (ml) Temp. 0.5M AgNO3 (C) Volume 0.5M NaCl (ml) Volume Combined (ml) Temp. Combined (C) AgNO 3 (aq) + NaCl (aq) NaNO 3 (aq) + AgCl (s) Volume 1M NH4Cl (ml) Temp. 1M NH4Cl (C) Mass 0.5M CuSO4 (g) Temp. Combined (C) 2NH 4 Cl (aq) + CuSO 4 (NH 4 ) 2 SO 4 (aq) + CuCl 2...
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Exp 11 Thermochemistry and Hess's Law - Volume 0.5M CuSO4...

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