Calculate ΔE of a Gas for a Process in Which

question 27

Multiple Choice

Calculate ΔE of a gas for a process in which the gas absorbs 25 J of heat and does 7 J of work by expanding.

• A) −32 J
• B) −18 J
• C) +18 J
• D) +32 J
• E) +180 J

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Definitions:

Proteins

Large molecules made up of amino acids that perform a variety of functions in the body, such as catalyzing metabolic reactions and supporting cell structure.

Alleles

Variants of a gene that arise by mutation and are found at the same place on a chromosome.

Heterozygous

Having two different alleles for the same trait.

Genetic Mutations

Permanent alterations in the DNA sequence that make up a gene, resulting in the gene functioning differently than normal.