Which of the Following Processes Is(are) Considered Spontaneous

question 72

Multiple Choice

Which of the following processes is(are) considered spontaneous ?
I. Melting ice cubes at 5 C and 1 atm.
II. Rust, Fe₂ O₃ , is converted to iron, Fe, and oxygen, O₂.
III. Forming additional NH₃from the following reaction that has previously reached a state of dynamic equilibrium:
N₂(g) + 3 H₂ (g) 2 NH₃(g)

• A) I only
• B) II only
• C) III only
• D) I and II
• E) All of these.

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Definitions:

Pincer Grasp

The coordination of the index finger and thumb to hold an object, an important milestone in the fine motor development of infants.

Motor Cortex

An area within the cerebral cortex that is crucial for the planning, supervision, and implementation of voluntary actions.

Cognitive Development

The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding over the course of a person's life.

Sensorimotor

Pertaining to or involving both sensory and motor activities or functions, often in reference to the integration of sensory input and motor responses.