"Microscaling" energetics
Change of enthalpy during the reaction of zinc powder and copper sulfate solution
..Na2Na2S2O3 + 2 HCl à H2S2O3 + H2O
2 mL 1M copper sulfate solution (left) mixed with a drinking straw spatula of zinc powder:

Cu2+(aq) + Zn(s) --> Zn2+(aq) + Cu(s)


 Copyright: W. Habelitz-Tkotz.........................................................................................back