Nitric Oxide and Bromine Were Allowed to React in a Sealed

question 127

Multiple Choice

Nitric oxide and bromine were allowed to react in a sealed container. When equilibrium was reached, the following partial pressures of three gases were measured: NO: 0.526 atm; Br₂ : 1.59 atm; NOBr: 7.68 atm. Calculate K_P for the reaction. 2NO(g) + Br₂(g) 2NOBr(g)

• A) 7.45 × 10^-3
• B) 0.109
• C) 9.18
• D) 91.8
• E) 134

---

Definitions:

Chemical Equation

A symbolic representation of a chemical reaction, showing the reactants, products, and, in some cases, the direction of the reaction.

Carbon Dioxide

A clear, unscented gas resulting from the burning of carbon-containing compounds and the act of respiration, which plants use in the process of photosynthesis.

Water

A ubiquitous chemical substance with the formula H2O, vital for all known forms of life and used in a myriad of industrial processes.

Polarity

The property of having distinct and opposite directions or poles, used in various scientific contexts, such as molecular polarity, cell polarity, and electrical polarity.