For Each of the Following,indicate Whether a Physical or Chemical

question 109

Essay

For each of the following,indicate whether a physical or chemical change occurs.
a.A mixture of solid iodine (I₂)and table salt (NaCl)is heated until the iodine vaporizes.
b.Iodine vapor is condensed in a cool glass beaker.
c.A mixture of solid iodine and zinc metal is ignited and forms solid zinc iodide (ZnI₂).
d.Electrical current is passed through zinc iodide to generate zinc metal and iodine vapor.

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Definitions:

Variation

The range of differences within a dataset or population, or the act of changing something to make it different from others or from what it is normally.

Employee Conduct

The behavior exhibited by employees within a professional setting, often governed by workplace policies and ethical standards.

Relatedness Needs

The human motivational need to interact with, be connected to, and experience caring for others, as part of the psychological theory of motivation.

Growth Needs

Psychological needs that propel an individual towards personal development and realization of their potential.