The reaction of ZnBr₂ and Ba(OH)₂ produces
A. ZnO and BaBrH

B. ZnBa and BrOH

C. BaBr₂ and Zn(OH)₂

D. ZnBr₂ and Ba(OH)₂

Explanation:

ZnBr₂ is a salt,formed by the ions of zinc and bromine, Zn²⁺ and Br⁻.

Ba(OH)₂ is a hydroxide formed by barium cation,  Ba²⁺, and OH⁻ anion.

The typical reaction of a salt with an hydroxide is a double replacement.

Thus, the ions trade places producing other salt and other hydroxide:

b i think it’s a water wheel turning in a stream

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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