When calcium metal (Ca) reacts with oxygen gas (O2), it produces the ionic compound calcium oxide (CaO). Write the balanced equation for this reaction. Then, explain if this process meets the requirements to be considered a redox reaction.

The   balanced  equation  for  reaction of   Ca metal  with  O2 to  produce  CaO  is as below

2 ca+ O2→ 2 CaO2 because 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-

Explanation:

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