Elemental Boron Can Be Formed by Reaction of Boron Trichloride $\Delta$

question 40

Multiple Choice

Elemental boron can be formed by reaction of boron trichloride with hydrogen. If $\Delta$ S $\degree$ = 80.3 J/K for the reaction above, what is S $\degree$ for BCl₃(g) ?

• A) -18.2 J/K*mol
• B) 18.2 J/K*mol
• C) 290.1 J/K*mol
• D) 355.4 J/K*mol
• E) 450.6 J/K*mol

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Definitions:

Normal Approximation

A method used in statistics where a normal distribution is used to approximate a different, often more complex, distribution under certain conditions.

Probability

The likelihood of occurrence of an event, often represented as a value between 0 and 1.

Binomial Probability

The probability of achieving a specific number of successes in a fixed number of Bernoulli trials with the same probability of success on each trial.

Normal Curve

A bell-shaped curve that is symmetrical about the mean, representing the distribution of a continuous random variable.