Which reaction below represents a balanced, double replacement chemical reaction?
A) C2H5OH + 3O2 → 2CO2 + 3H2O
B) Rb2O + Cu(C2H3O2)2 → 2RbC2H3O2 + CuO
C) 2Al + 3H2SO4 → 3H2 + Al2(SO4)3
D) 2H2O → 2H2 + O2

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I think the reaction that represents a balanced, double replacement chemical reaction is B which is Rb2O + Cu(C2H3O2)2 → 2RbC2H3O2 + CuO 

Answer:

B.

Explanation: