A Slight Change in Temperature Can Change the Directionality of a Reaction

question 48

Multiple Choice

A slight change in temperature can change the directionality of a reaction when

• A) T = DH^\(\circ\)_rxn / DS^\(\circ\)_rxn
• B) T = DS^\(\circ\)_rxn / DH^\(\circ\)_rxn
• C) DG^\(\circ\)_rxn > 0
• D) DG^\(\circ\)_rxn = 0
• E) DG^\(\circ\)_rxn is a much larger positive value than DH^\(\circ\)_rxn

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Definitions:

D-Glucose

A simple sugar that serves as an essential energy source for living organisms; it is a monosaccharide with the formula C6H12O6.

D-Arabinose

A naturally occurring pentose sugar, which is a component of many polysaccharides and glycoconjugates in plants and bacteria.

Open-Chain Form

Describes organic compounds that consist of a linear chain of atoms, as opposed to cyclic structures.

Asymmetric Centers

Carbon atoms bonded to four different groups, creating chirality and isomerism in molecules.