Consider the Exothermic Reaction: 4 HCl(aq) + MnO₂(s) ⇌ Cl₂(g)

question 10

Multiple Choice

Consider the exothermic reaction: 4 HCl(aq) + MnO₂(s) ⇌ Cl₂(g) + 2 H₂O(l) + MnCl₂(aq)
The equilibrium is displaced to the left if:

• A) catalyst is added
• B) pressure is lowered
• C) temperature is lowered
• D) H₂O(l) is added
• E) MnO₂ (s) is added

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Definitions:

Single Breath

A process of inhaling once then exhaling, often used in respiratory testing to assess lung function and capacity.

Oxygen

A chemical element essential for life, necessary for cellular respiration in most organisms, and a major component of Earth's atmosphere.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, considered a greenhouse gas.

Alveoli

Small, air-filled sacs in the lungs where gas exchange between the air and blood takes place.