Which of the Following Chemical Equations Is Balanced?
A)Fe₂O₃ $\rarr$ Fe + 2CO₂
B)Na₂SO₂ + S

question 15

Multiple Choice

Which of the following chemical equations is balanced?

• A)Fe₂O₃ + CO \(\rarr\) Fe + 2CO₂
• B)Na₂SO₂ + S \(\rarr\)S₂O₃ + S
• C)3CuO + 2NH₃ \(\rarr\) 3Cu + 3H₂O + N₂
• D)4Al + 3Fe₃O₄ \(\rarr\) 4Al₂O₃ + 9Fe

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Definitions:

Thermoregulation

The process by which an organism maintains its internal temperature within a tolerable range.

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The impact of societal beliefs, values, and practices on an individual's behavior, thoughts, and feelings.

Biological Motives

Innate drives related to survival and reproduction, such as hunger, thirst, and mating.

Estrus

A phase in the female reproductive cycle of mammals signifying when they are sexually receptive and fertile.