In Order for a Process to Be Spontaneous

question 54

Multiple Choice

In order for a process to be spontaneous,

• A)Δ H must be less than zero.
• B)Δ S must be greater than zero.
• C)Δ G must be greater than zero.
• D)it should be rapid.
• E)Δ S _sys + Δ S _surr must be greater than zero.

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Definitions:

DEPT-90

A nuclear magnetic resonance (NMR) spectroscopy technique that distinguishes between CH and CH3 groups in a molecule by phase modulation.

DEPT-135

A nuclear magnetic resonance (NMR) spectroscopic technique used to distinguish between carbon atoms with different numbers of hydrogen atoms attached in organic compounds.

Carbonyl

A functional group characterized by a carbon atom double-bonded to an oxygen atom, commonly found in aldehydes, ketones, carboxylic acids, and amides.

NMR Spectroscopy

A spectroscopic method that utilizes the magnetic characteristics of specific atomic nuclei to identify the physical and chemical properties of atoms or the molecules they are part of.