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The Molar Mass of an Unknown Gas Was Measured by an Effusion

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The molar mass of an unknown gas was measured by an effusion experiment.It was found that the unknown gas effused at a rate of 2.2 × 106 mol/hr,whereas the nitrogen gas effused at a rate of 3.1 × 106 mol/hr.The molar mass of the gas is _____.


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Goal-Directed Behavior

Behavior that is oriented towards achieving a specific objective, showcasing the ability to identify, plan, and execute actions that lead to the attainment of a goal.

Substage

A division within a larger stage or phase, often used to categorize specific periods or steps in a process or development.

Primary Circular Reactions

Repetitive actions in infants, centered on their own bodies, that serve as a foundational aspect of their cognitive development.

Secondary Circular Reactions

A stage in Piaget’s theory of cognitive development where infants repeat actions that affect their environment, leading to learning about the world.

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