Consider the Following Reaction: 4 Fe + 3 O₂ $\rightarrow$ 2 Fe₂O₃
How Many Grams of Oxygen Gas Are Needed

question 38

Multiple Choice

Consider the following reaction: 4 Fe + 3 O₂ $\rightarrow$ 2 Fe₂O₃
How many grams of oxygen gas are needed to react completely with 44.2 grams of iron?

• A) 19.0 g
• B) 101 g
• C) 12.7 g
• D) 25.3 g

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Definitions:

Adrenal Gland

Small glands located atop the kidneys that produce hormones essential for various bodily functions, including stress response.

Hypothalamus

A region of the brain responsible for the regulation of certain metabolic processes and other activities of the autonomic nervous system, including temperature control, hunger, and thirst.

Neurons

Specific cells within the nervous system tasked with transmitting data to other nerve cells, muscular cells, or glands.

Branchlike Extensions

In neuroscience, refers to dendrites, which are projections of a neuron that receive signals from other neurons and convey them toward the cell body.