(a) Write a balanced chemical equation for the formation of 1 mol of MgO(s) from the elements...
Question:
(a) Write a balanced chemical equation for the formation of 1 mol of MgO(s) from the elements in their standard states. (Find the value for ∆fH° for MgO(s) in Appendix L.)
(b) What is the standard enthalpy change for the reaction of 2.5 mol of Mg with oxygen?
Data given in Appendix L
Transcribed Image Text:
TABLE 20 Species lodine 1₂(s) 1₂(g) I(g) 1-(g) ICI(g) Iron Fe(s) FeO(s) Fe₂O3(s, hematite) Fe3O4(s, magnetite) FeCl₂(s) FeCl3(s) FeS₂(s, pyrite) Fe(CO)5(e) Lead Pb(s) Selected Thermodynamic A,Hº (298.15 K) (kJ/mol) 0 62.438 106.838 - 197 17.51 0 -272 -825.5 -1118.4 -341.79 -399.49 -178.2 -774.0 0 Values (continued) Sº (298.15 K) (J/K . mol) 116.135 260.69 180.791 247.56 27.78 87.40 146.4 117.95 142.3 52.93 338.1 64.81 A,Gº (298.15 K) (kJ/mol) 0 19.327 70.250 -5.73 -742.2 -1015.4 -302.30 -344.00 - 166.9 -705.3 0
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Related Book For
Chemistry And Chemical Reactivity
ISBN: 9780357001172
10th Edition
Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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