Which of These Samples Contains the Smallest Number of Particles $\degree$

question 121

Essay

Which of these samples contains the smallest number of particles atoms or molecules)? Explain your logic.
1.0 L of H₂ at STP (0 $\degree$ C and 1 atm)
1.0 L of N₂ at STP
1.0 L of H₂ at 20 $\degree$ C and 760 torr
1.0 L of N₂ at 0 $\degree$ C and 800 torr
1.0 L of He at STP

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Definitions:

Cyclohexane

Cyclohexane is a cycloalkane with the molecular formula C6H12, consisting of a ring of six carbon atoms, and is used as a solvent and in the synthesis of nylon.

Hexane

A hydrocarbon with the formula C6H14, commonly used as a non-polar solvent in the extraction of oils and fats.

Breast Cancer

A type of cancer originating from breast tissue, characterized by the uncontrolled growth of breast cells.

Coping Responsibilities

The tasks or duties associated with managing stressors or challenging situations effectively.