2. Calculate the enthalpy change to be expected for the dissolution of NaOH ((s) and (aq) mean solid and aqueous) using Hess's Law: q + H*(aq) your class and NaOH(s) → NAOH(aq) НСІ culate the action. Use the enthalpy change for NaOH-HCI pair that your class measured in this experiment, and the data from the following table: Reaction* AH(kJ/mol) ½H2(g) + ½CI2(g) → HCI(g) - 92.3 Na(s) + ½O2(g) + ½H2(g) → NaOH(s) –426.8 Na(s) + ½CI2(g) → NaCI(s) – 411.1 H2(g) + ½O2(g) → H2O(1) - 285.8 HCI(g) → HCI(aq) -75.2 NaCI(s) → NaCI(aq) 4.0 NaOH(aq) + HCI(aq) → NaCl(aq) + H2O(1) *(g) = gas, (1) = liquid, (s) = solid, (aq) = aqueous %3D %3D %3D
2. Calculate the enthalpy change to be expected for the dissolution of NaOH ((s) and (aq) mean solid and aqueous) using Hess's Law: q + H*(aq) your class and NaOH(s) → NAOH(aq) НСІ culate the action. Use the enthalpy change for NaOH-HCI pair that your class measured in this experiment, and the data from the following table: Reaction* AH(kJ/mol) ½H2(g) + ½CI2(g) → HCI(g) - 92.3 Na(s) + ½O2(g) + ½H2(g) → NaOH(s) –426.8 Na(s) + ½CI2(g) → NaCI(s) – 411.1 H2(g) + ½O2(g) → H2O(1) - 285.8 HCI(g) → HCI(aq) -75.2 NaCI(s) → NaCI(aq) 4.0 NaOH(aq) + HCI(aq) → NaCl(aq) + H2O(1) *(g) = gas, (1) = liquid, (s) = solid, (aq) = aqueous %3D %3D %3D
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.4QE
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