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Chemical vs. Physical Change 2

APCHEM-RNKMPY

$$H_{2}O_{(l)} \rightleftharpoons H_{2}O{(g)}$$

Which of the following types of change is represented by the equation above?

A

This is a physical change because the equation is balanced.

B

This is a chemical change because the equation is balanced.

C

This is a physical change because the same compound is represented as both the reactant and product.

D

This is a chemical change because the same compound is represented as both the reactant and product.