How Many Molecules of XeF₆ are Formed from 12

question 63

Multiple Choice

How many molecules of XeF₆ are formed from 12.9 L of F₂ (at 298 K and 2.635 bar) according to the following reaction? Assume that there is excess Xe.
Xe(g) + 3F₂(g) → XeF₆(g)

• A) 1.21 × 10²³ molecules XeF₆
• B) 8.25 × 10²³ molecules XeF₆
• C) 2.75 × 10²³ molecules XeF₆
• D) 7.29 × 10²³ molecules XeF₆
• E) 1.37 × 10²³ molecules XeF₆

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Definitions:

Edgeworth Box

A graphical representation of the trading possibilities and equilibrium between two individuals with fixed amounts of two goods.

Utility Function

A mathematical model in economics that represents consumer preferences over a set of goods and services, by assigning a utility value for each possible bundle of goods.

Convex Preferences

Preferences that express a consumer's desire for diversified bundles of goods over extreme bundles, depicted graphically as convex indifference curves.

Edgeworth Box

A diagram representing various distributions of resources, used to examine issues of allocation efficiency in economics.