Which Equations Are Balanced? A)Mg (S)+ 2HCl (Aq)→ MgCl2 (Aq)

question 247

Multiple Choice

Which equations are balanced? a) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H₂ (g)
B3Al (s) + 3 Br2 (l) → Al2Br3 (s)
C2HgO (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:

Connexin Molecules

Protein molecules that assemble into gap junctions, facilitating communication between adjacent cells by allowing the passage of ions and small molecules.

Sodium-Potassium Pump

A vital cell membrane protein that transports sodium ions out of and potassium ions into cells, maintaining cellular electrochemical gradients.

Carrier Protein

A type of membrane protein involved in facilitated diffusion, helping to transport substances across a cell membrane without expenditure of energy.

Sodium Ion

An atom of sodium that has lost one electron to form a positively charged ion (Na+), crucial for nerve transmission and fluid balance in the body.