Which Equations Are Balanced

question 16

Multiple Choice

Which equations are balanced?
A.Mg (s) + 2HCl (aq) → MgCl₂ (aq) + H₂ (g)
B.3Al (s) + 3 Br₂ (l) → Al₂Br₃ (s)
C.2HgO (s) → 2 Hg (l) + O₂ (g)

• A)Only equation "c" is balanced.
• B)Equations "a" and "c" are balanced.
• C)Equations "b" and "c" are balanced.
• D)All of them are balanced.

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Definitions:

Visual-Form Agnosia

A brain disorder where the person cannot identify objects even though their vision is intact.

Optic Nerve

A paired nerve that transmits visual information from the retina to the brain.

Lateral Geniculate Nucleus

A part of the thalamus in the brain responsible for processing and relaying visual information from the retina to the visual cortex.

Corpus Callosum

A large band of neural fibers that connects the left and right cerebral hemispheres, facilitating inter-hemispheric communication.