If a reaction occurs, what will be the products of the unbalanced reaction below?
Zn(s) + HCl(aq)
The Activity Series of Elements
A. No reaction will occur.
B. ZnH(s) + Cl2(9)
C. ZnCl2(s) + H2(9)
D. HZnCl(s)

u i forgot the answer?

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.