Which of the Following Samples Contains the Fewest Moles of Gas

question 45

Multiple Choice

Which of the following samples contains the fewest moles of gas?

• A) 1.00 L of CH₄ at STP
• B) 1.00 L of Ar at STP
• C) 1.00 L of NH₃ at STP
• D) 1.00 L of H₂ at 0.0°C and 1.28 atm
• E) 1.00 L of HCl at 20°C and 1.00 atm

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Definitions:

Endocrine Glands

Glands that secrete hormones directly into the bloodstream, regulating various bodily functions such as metabolism, growth, and reproduction.

Exocrine Glands

Glands that release their secretions through ducts directly onto an epithelial surface or into the external environment.

Salivary Glands

Exocrine glands located around the mouth that produce saliva, which begins the process of digestion and helps maintain oral health.

Basement Membrane

A thin, fibrous extracellular matrix that separates epithelial and endothelial cells from underlying connective tissue.