Three Moles of a Gas at T = 250 K

question 18

Multiple Choice

Three moles of a gas at T = 250 K expand quasi-statically and adiabatically from an initial volume of 30 L to a final volume of 60 L.The change in entropy of the gas during this expansion is (R = 8.314 J/mol·K)

• A)17.3 J/K
• B)18.6 J/K
• C)-17.4 J/K
• D)19.5 J/K
• E)zero

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Definitions:

Informational Molecule

A molecule that carries or transmits biological information, essential for processes such as DNA synthesis and protein production.

RNA Molecules

Molecules composed of ribonucleic acid (RNA) that play various roles in coding, decoding, regulation, and expression of genes.

Enzymes

Biological catalysts that speed up chemical reactions in living organisms without being consumed in the process.

Abiotic Evolution

The process of environmental and geological changes over time, not influenced by biological factors.