
These type of reaction is called as <u>N</u><u>eutralization</u> <u>R</u><u>eaction</u><u>.</u>
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Answer:
Element; compound
Explanation:
Oxygen is an element on the periodic table, but when it's combined with the element Hydrogen, it produces water, which is a compound (H2O). When two elements combine, it produces a compound.
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Answer:

Explanation:
X + Y ⟶ XY
mass: 22.7 g x 86.9 g
According to the Law of Conservation of Mass, the mass of the product must equal the mass of the reactants.

The ph is always greater than 7