Predict whether the following reactions will occur or not. For those that do occur complete and balance the equation. Write N.R. for those that do not occur. Include all subscripts (e.g., (S), (aq), etc.)
____Mn(s)+____NiCl2(aq) -->
____Fe(s)+____HBr(aq) ---->
____Ag(s)+____CoBr2(aq)---->
____Al(s)+____HCl(aq)---->