At Elevated Temperatures, Molecular Hydrogen and Molecular Bromine React to Partially

question 61

Multiple Choice

At elevated temperatures, molecular hydrogen and molecular bromine react to partially form hydrogen bromide: H₂ (g) + Br₂ (g) 2HBr (g)
A mixture of 0.682 mol of H₂ and 0.440 mol of Br₂ is combined in a reaction vessel with a volume of
2.00 L. At equilibrium at 700 K, there are 0.546 mol of H₂ present. At equilibrium, there are ________ mol of Br₂ present in the reaction vessel.

• A)0.000
• B)0.440
• C)0.546
• D)0.136
• E)0.304

---

Definitions:

Over-optimism

Over-optimism refers to the tendency of individuals to hold an unrealistically positive view of the future or the outcomes of events, which can affect decision-making processes.

Unrealistic Belief

A conviction or expectation that does not align with actual facts or evidence, often based on incorrect assumptions or misinformation.

Slope

A measure of the steepness, incline, or grade of a line, calculated as the ratio of the vertical change to the horizontal change between two points.

Budget Line

A graphical representation of all possible combinations of two goods that can be purchased with a given income and prices.