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Chemistry

Mar 212011
 
The Biblical Chemistry Tale: Sacrificial Anodes

NB: This is a satirical piece. Some time later, Lord Tymchak tested Abraham. He said to him, “Abraham!” “Here I am”, he replied. Then Lord Tymchak said, “Take your piece of zinc, your only piece of zinc, which you love, and go to the region of Trololololol. Sacrifice it there as an oxidized offering on [...Read more...]

Nov 182010
 
Introductory Chemistry Midterm Review

Sorry about the poor formatting. If you don’t understand something, let us know! Question 10: ENTHALPY OF FORMATION In a thermite reaction, iron oxide reacts with aluminum metal: 3Fe3O4(s) + 8Al(s) → 9Fe(s) + 4Al2O3(s) Using the provided data, calculate the change enthalpy of formation of the reaction. The change in enthalpy formation(kJ/mol) of selected [...Read more...]