How Much Energy, in Joules, Must Be Absorbed to Convert

question 35

Multiple Choice

How much energy, in joules, must be absorbed to convert to Na+ all the atoms present in 1.00 mg of gaseous Na? The first ionization energy of Na is 495.8 kJ/mol.

• A) 21.6 J
• B) 0.0464 J
• C) 46.4 J
• D) 0.0216 J
• E) 1.14 × 104 J

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Definitions:

Nuclear Concentration

Nuclear concentration refers to the density of atomic nuclei in a given volume area, often relevant in nuclear physics and related scientific research areas.

Posttranslational Processing

The modification of proteins after translation, including changes like phosphorylation, glycosylation, and cleavage.

Polysaccharide

Large molecules composed of many sugar molecules bonded together, serving as energy stores or structural components in living organisms.

Pro-protein

An inactive precursor molecule that must be modified to become an active protein.