When Sodium and Chlorine React to Form Sodium Chloride NaCl)

question 23

Multiple Choice

When sodium and chlorine react to form sodium chloride NaCl) , 411 kJ per mole of NaCl is given off. To break up 1 mole of NaCl into sodium and chlorine requires

• A) less than 411 kJ.
• B) 411 kJ.
• C) more than 411 kJ.
• D) any of the above, depending on the circumstances.

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Definitions:

Interphase

In a eukaryotic cell cycle, the interval during which a cell grows, roughly doubles the number of its cytoplasmic components, and replicates its DNA in preparation for division.

Asexual Reproduction

A reproductive process that involves only one parent and produces offspring genetically identical to the parent.

Genetic Diversity

The total number of genetic characteristics in the genetic makeup of a species, contributing to variations within a population.

Random Segregation

The process during meiosis where chromosomes are randomly distributed to daughter cells, ensuring genetic diversity.