General Chemistry I Laboratory Manual, 2019 Revision 117 3) Reaction of Hydrogen with Oxygen: Text book AHreaction per mole of H2O Formed: -286 K3/mol Give a reference for this value, making sure you cite author, year, text name and edtion, publisher, and page number. Halg) t Ogs HaOu AH H0 = -286K5lm Reaction of Magnesium with Oxygen: Summarize Data from the first three parts. Reaction ΔΗ 1) MgO(s) + 2HCI(aq) → MgCl2(aq) + H2O(1) -105% -417 KJ mol 2) Mg(s) + 2HCI(aq) → MgCl2(aq)+ H2(g) mol 3) H2(g) + ½O2(g) → H2O(1) ース KS -286 mol 4) Use your data and Hess' law to calculate AHreaction for: Mg(s) + ½Oz(g) → MgO(s) AHpeochon: -(reaction 1)t (AHreacthion2)+(AH reochon3) AH reachun :1-1051 + (-417) + (-28G) -598 KJ/mol 118 Hess' Law 5) Compare your calculated AH value with a published value. Experimental AH: AH, for MgO: Percent Error: Show your calculations for percent error below.

General Chemistry I Laboratory Manual, 2019 Revision 117 3) Reaction of Hydrogen with Oxygen: Text book AHreaction per mole of H2O Formed: -286 K3/mol Give a reference for this value, making sure you cite author, year, text name and edtion, publisher, and page number. Halg) t Ogs HaOu AH H0 = -286K5lm Reaction of Magnesium with Oxygen: Summarize Data from the first three parts. Reaction ΔΗ 1) MgO(s) + 2HCI(aq) → MgCl2(aq) + H2O(1) -105% -417 KJ mol 2) Mg(s) + 2HCI(aq) → MgCl2(aq)+ H2(g) mol 3) H2(g) + ½O2(g) → H2O(1) ース KS -286 mol 4) Use your data and Hess' law to calculate AHreaction for: Mg(s) + ½Oz(g) → MgO(s) AHpeochon: -(reaction 1)t (AHreacthion2)+(AH reochon3) AH reachun :1-1051 + (-417) + (-28G) -598 KJ/mol 118 Hess' Law 5) Compare your calculated AH value with a published value. Experimental AH: AH, for MgO: Percent Error: Show your calculations for percent error below.

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter9: Energy For Today

Section: Chapter Questions

Problem 56E

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