Pending: SPRING!!!

Pending: SPRING!!!

Spring is Sprung and Summer's last light gone....

Autumn brings a new cat. for TV shows. SNL will be here this year (2011). So how do I get tics.??

The Main Attraction...

The Reaction to Produce Zinc Ammonium Chloride

ZnCl2 (aq)  +  NH4OH (aq)  + NH4Cl (aq) ----> 
                                                             Zn2(NH3)2Cl2 (s) + HCl (aq) + H2O (l)


&H(rxn) = 152.6 kcal/mol ZnCl2


-------------------------------------------------------------------------------------------------------------
Exp 1-3                            Exp 4-6                         Exp 7-8                                    
____________________________________________________________

14.0/17.6                          13.2/20.2                        0.00/0.00

0.7954                               0.6535                           infinite

1.01                                    0.76                               0.86
-------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------------       
       row 1:  mass of crystals/ filtrate mass

       row 2:  math

       row 3: ratio of ZnCl2/NH4Cl