The Net Ionic Equation for the Reaction of Calcium Carbonate $\ell$

question 17

Multiple Choice

The net ionic equation for the reaction of calcium carbonate with nitric acid is

• A) CaCO₃(s) + 2H⁺(aq) ? Ca²⁺(aq) + CO₂(g) + H₂O( \(\ell\) ).
• B) Ca²⁺(aq) + CO₃^2-(aq) + 2H⁺(aq) + 2NO₃^-(aq) ? Ca(NO₃)₂(aq) + CO₂(g) + H₂O( \(\ell\) ).
• C) CaCO₃(s) + 2HNO₂(aq) ? Ca²⁺(aq) + 2NO₂^-(aq) + CO₂(g) + H₂O( \(\ell\) ).
• D) Ca(HCO₃)₂(s) + 2HNO₃(aq) ? Ca²⁺(aq) + 2NO₃^-(aq) + CO₂(g) + 2H₂O( \(\ell\) ).
• E) CaCO₃(s) + 2HNO₃(aq) ? Ca²⁺(aq) + 2NO₃^-(aq) + CO₂(g) + H₂O( \(\ell\) ).

Understand the basic mechanisms of drug action and the central nervous system's role in drug effects.

Recognize the concepts of therapeutic windows, effective dose (ED), and lethal dose (LD), and how they relate to drug safety and toxicity.

Define and distinguish between prime and secondary effects of drugs.

Grasp the importance of pharmacokinetics, including absorption, distribution, metabolism (biotransformation), and elimination processes.

---

Definitions:

Formulated

Developed or devised carefully, usually with a specific purpose or outcome in mind.

Farsighted Management

Strategic approaches in management that emphasize long-term planning, foresight, and anticipation of future trends or events.

Solutions

Refers to methods or processes devised to solve problems or achieve objectives.

Problems

Challenges, obstacles, or issues that need to be resolved or dealt with, which can arise in various contexts such as personal life, work, education, or technology.