The chemical formula for the product is RbBr.
Answer is: Yes it is balanced. It has the same number of Ca and O on both the reactant side and the product side.
According to principle of mass conservation, number of atoms must be equal on both side of chemical reaction.
There is one calcium atom atom and one oxygen atom on both side of reaction, so chemical reaction is balanced.
I would assume it would be impossible or unlikely
Answer:
A scale, or a weight. Both of which are more scientifically referred to as a balance.
