At 25 °C,the Decomposition of Dinitrogen Tetraoxide N₂O₄(g) 2

question 51

Multiple Choice

At 25 °C,the decomposition of dinitrogen tetraoxide N₂O₄(g) 2 NO₂(g)
Has an equilibrium constant (K_p) of 0.144.At equilibrium,the total pressure of the system is 0.0758 atm.What is the partial pressure of each gas?

• A) 0.0745 atm NO₂(g)and 0.0385 N₂O₄(g)
• B) 0.0549 atm NO₂(g)and 0.0209 N₂O₄(g)
• C) 0.0531 atm NO₂(g)and 0.0227 N₂O₄(g)
• D) 0.0502 atm NO₂(g)and 0.0256 N₂O₄(g)
• E) 0.0381 atm NO₂(g)and 0.0377 N₂O₄(g)

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Definitions:

Heptane

A straight-chain alkane with seven carbon atoms in its molecule, often used as a nonpolar solvent in laboratories.

Moles

A unit of measurement used in chemistry to express amounts of a chemical substance, defined as containing exactly 6.02214076×10^23 particles.

Newman Projection

A method of visualizing the conformation of a chemical compound by projecting its bond structure along a chosen bond axis.

Anti Conformation

A spatial arrangement in molecules where substituents on adjacent carbons are positioned as far apart as possible, reducing steric strain and often seen in Newman projections.