What Is the Net Ionic Equation for the Single Replacement $\rightarrow$

question 44

Multiple Choice

What is the net ionic equation for the single replacement reaction Ca(s) + 2 HNO₃(aq) $\rightarrow$ H₂(g) + Ca(NO₃) ₂(aq) Calcium is above hydrogen in the activity series.

• A)Ca(s)+ NO₃^-(aq)\(\rightarrow\)CaNO₃^-(aq)
• B)2 H⁺(aq)\(\rightarrow\) H₂(g)
• C)Ca(s)+ 2 H⁺(aq)+ 2 NO₃^-(aq)\(\rightarrow\)Ca²⁺(aq)+ H₂(g)+ N₂O(g)
• D)Ca(s)+ 2 H⁺(aq)\(\rightarrow\)Ca²⁺(aq)+ H₂(g)
• E)Ca(s)+ 2 H⁺(aq)+ 2 NO₃^-(aq)\(\rightarrow\)H₂(g)+ Ca²⁺(aq)+ 2 NO₃^-(aq)

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Definitions:

ADH

Antidiuretic Hormone, a peptide hormone secreted by the pituitary gland that regulates the body's retention of water by increasing water reabsorption in the kidneys.

Blood Plasma

The liquid component of blood where cells are suspended, comprising water, salts, proteins, and various other substances.

Medullary Osmotic Gradient

A concentration gradient of solutes in the kidney's medulla that helps in the reabsorption of water from urine, contributing to the body's water balance.

Loop Of Henle

A section of the nephron in the kidney that is responsible for concentrating urine and conserving water.