750 G of PCl₅(g) Is Introduced into an Evacuated 3

question 113

Multiple Choice

75.0 g of PCl₅(g) is introduced into an evacuated 3.00 L vessel and allowed to reach equilibrium at 250ºC.PCl₅(g) ⇌ PCl₃(g) + Cl₂(g) If K_p = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium

• A) 2.88 atm
• B) 2.27 atm
• C) 4.54 atm
• D) 7.42 atm
• E) 9.69 atm

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Definitions:

Experimental Group

In an experiment, this is the group that receives the treatment or intervention being tested.

Control Group

In experimental research, a group of subjects not exposed to the treatment being studied, used as a baseline to measure the effect of the treatment.

Laboratory Experiment

A controlled study conducted in a specially equipped environment where variables can be manipulated and outcomes measured.

Field Experiment

A study conducted in a real-world setting where the researcher manipulates one or more variables to observe the effect on a particular outcome.