For the Species in the Reaction Below, ΔH°_f Is Zero

question 104

Multiple Choice

For the species in the reaction below, ΔH°_f is zero for ________. 2Co (s) + H₂ (g) + 8PF₃ (g) → 2HCo(PF₃) ₄ (l)

• A)Co (s)
• B)H₂ (g)
• C)PF₃ (g)
• D)HCo(PF₃)₄ (l)
• E)both Co(s)and H₂ (g)

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Definitions:

Organism Sleeps

A state of rest for a living organism where consciousness is suspended and metabolic activities are reduced.

Cognitive Perspective

A psychological approach that emphasizes mental processes such as perception, memory, and problem-solving.

Sociocultural Perspective

A psychological approach that emphasizes social and cultural influences on behavior.

Learning Perspective

A psychological approach that emphasizes how the environment and experience affect a person’s or animal’s actions; it includes behaviorism and social-cognitive learning theories.