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

question 52

Multiple Choice

Elemental boron can be formed by reaction of boron trichloride with hydrogen.
BCl₃(g) + 1.5H₂(g) $\to$ B(s) + 3HCl(g)

If $\Delta$ S° = 80.3 J/K,what is S° 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:

Neurotransmitters

Chemical substances that transmit signals across a synapse from one neuron to another neuron or muscle or glandular cell.

Nissl Bodies

Structures within the cytoplasm of neurons that are made up of rough endoplasmic reticulum and ribosomes, involved in protein synthesis.

Axon Terminals

The endings of axons that make synaptic connections with other nerve cells or with effector cells.

Telodendria

The fine terminations of an axon or dendrite which are involved in transmitting the nerve impulse to other neurons or to muscles.