Elemental Boron Can Be Formed by the Reaction of Boron

question 7

Multiple Choice

Elemental boron can be formed by the reaction of boron trichloride with hydrogen. 2BCl₃(g) + 3H₂(g) → 2B(s) + 6HCl(g)
What is ΔG°_rxn for this reaction?

• A) -293.4 kJ/mol
• B) 293.4 kJ/mol
• C) -205.6 kJ/mol
• D) 205.6 kJ/mol
• E) -2141.6 kJ/mol

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Definitions:

Hemoglobin

A protein in red blood cells that carries oxygen from the lungs to the rest of the body and returns carbon dioxide from the body to the lungs.

Polypeptide Chains

Sequences of amino acids linked by peptide bonds, forming part of or the whole protein molecule.

Quaternary

A level of protein structure where multiple polypeptide chains, referred to as subunits, come together to form a functional protein complex.

Acidic Group

A functional group within a molecule that commonly donates protons (H+) and displays acidic properties, often containing oxygen and hydrogen.