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:

Average Total Cost

The total cost per unit of output, found by dividing the total cost by the quantity of output.

Mixers

Devices or machines used to combine ingredients together into a homogeneous mixture.

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Baked goods that are typically sweet, often layered or decorated, and served on special occasions like birthdays and weddings.

Economies of Scale

The cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale as fixed costs are spread out over more units of output.