Bromine Is One of Only Two Elements That Is a Liquid

question 117

Multiple Choice

Bromine is one of only two elements that is a liquid at room temperature.Bromine has a heat of vaporization of 30.91 kJ/mol and its boiling point is 59°C.What is the entropy of vaporization for bromine?

• A)-301 J/(mol ∙ K)
• B)-93.1 J/(mol ∙ K)
• C)10.7 J/(mol ∙ K)
• D)93.1 J/(mol ∙ K)

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Definitions:

Cyanate Ion

A negatively charged ion or anion with the formula OCN-, derived from cyanic acid.

Cyanide Ion

An anion with the formula CN−, known for its high toxicity, it can form various inorganic and organic compounds.

Sulfate Ion

A polyatomic anion with the empirical formula SO4^2- and is a common component of many minerals and chemicals.

Ionic Compound

A composition of ions united by the power of electrostatic interactions, identified as ionic bonding.