Sometimes an Experiment Requires a Certain Pure Gas to Be

question 20

Multiple Choice

Sometimes an experiment requires a certain pure gas to be used at reduced pressure.One way to achieve this is to purchase a sealed glass container filled with the gas,and to introduce the gas into a vacuum by attaching the glass container to the vacuum chamber and breaking the tip of the glass container using a metallic bean and a magnet.If the volume of the glass container is 1.0 L and it is at a pressure of 1.0 × 10⁵ Pa and if the vacuum chamber has a volume of 2.0 L,what will the pressure be after the gas,which is to be assumed to be an ideal gas,is released into the vacuum chamber and the temperature has returned to its original value? (Note that the glass container remains part of the system.)

• A)33 kPa
• B)50 kPa
• C)300 kPa
• D)200 kPa

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Definitions:

Cognitive Abilities

The mental capabilities that involve reasoning, problem-solving, planning, abstract thinking, complex idea comprehension, learning from experience, and adapting to changes.

Cognitive Abilities

Mental skills that include thinking, problem-solving, decision-making, and the ability to remember and learn.

Stage-like Manner

Describes a process of development or learning that occurs in distinct and separate phases.

Piaget

A Swiss psychologist known for his pioneering work in child development, focusing on how children acquire knowledge and the stages of cognitive growth.