Use the Van Der Waals Equation of State to Calculate

question 6

Multiple Choice

Use the van der Waals equation of state to calculate the pressure exerted by exactly 1 mol of gaseous ethene, C₂H₂, held at a temperature of 425 K in a vessel of volume 1.25 dm³. The values of the van der Waals parameters for ethene are a = 4.552 atm dm⁶ mol^-2 and b = 5.82  10^-2 dm³ mol^-1.

• A) 2.83 MPa
• B) 2.67 MPa
• C) 2.97 MPa
• D) 291 kPa

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Definitions:

Autonomic Systems

Refers to the autonomic nervous system, which controls involuntary body functions such as heartbeat, digestion, and breathing.

Somatosensory Cortex

The somatosensory cortex is a region of the brain responsible for processing sensory information from various parts of the body, such as touch, temperature, and pain.

Parietal Lobe

The region of the brain located at the top of the head, responsible for processing sensory information regarding the location of parts of the body.

Motor Cortex

The region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.