A 250mL Sample of Methane Gas Is Collected Over Water at at 21.0

question 59

Short Answer

A 250.mL sample of methane gas is collected over water at 21.0 ^° C and 768.0 torr.
The vapor pressure of water at 21.0 ^° C is 18.7 torr.What volume will the dry methane gasoccupy at STP?

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Definitions:

Cognitive Development

Cognitive development encompasses the progression and enhancement of thinking, problem-solving, and decision-making abilities from infancy through adulthood.

Object Permanence

The cognitive understanding that objects continue to exist even when they cannot be seen, heard, or touched.

Centration

Young children’s tendency to focus on only one feature of an object to the exclusion of all other features.

Decentration

The cognitive ability to consider multiple aspects of a situation simultaneously, essential for understanding concepts like conservation in Piaget's theory of cognitive development.