For Which of the Following Substances Is the Standard Free

question 29

Multiple Choice

For which of the following substances is the standard free energy of formation not equal to zero at 298 K?

• A) He(g)
• B) Er(s)
• C) Cl₂(g)
• D) Ba(g)
• E) Fe(s)

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Definitions:

Orangutan

A large arboreal great ape native to Indonesia and Malaysia, known for its reddish-brown hair, long arms, and intelligent behavior.

Bonobo

A species of great ape known for its peaceful behavior, residing in the Democratic Republic of Congo and closely related to the chimpanzee.

Primate Visual System

The specialized set of adaptations and structures in primates' eyes and brains that allow for acute visual perception, including depth perception and color vision.

Nerve Cells

Specialized cells that transmit nerve impulses; also known as neurons.