Which of the Following Reactions Is Correctly Balanced?
A) N₂ $\rarr$

question 24

Multiple Choice

Which of the following reactions is correctly balanced?

• A) N₂ + H \(\rarr\) 2NH₃
• B) 2H₂O + C \(\rarr\) CO + 2H₂
• C) Zn + 2HCl \(\rarr\) H₂ + ZnCl₂
• D) CO + O₂ \(\rarr\) CO₂

Understand the role of central planning and its historical context and implications.

Acknowledge Adam Smith's principle of the "invisible hand" and its significance to market economies.

Understand the importance and mechanisms of maintaining correct voltage levels for PLC operation.

Identify the significance of and procedures for proper PLC grounding.

---

Definitions:

Title Block

A section of a drawing or document reserved for information about the drawing, typically including the drawing number, project name, and specific details about the drawing's creation and revision history.

Lettering

The act or process of adding letters or inscriptions to objects, documents, or surfaces, often for identification, decoration, or communication purposes.

Quarter Scale

A scale in which 1/4 inch on the drawing represents 1 inch on the actual object.