Given the Following Reactions CaCO₃ (S)→ CaO (S)+ CO₂ (G)ΔH

question 74

Multiple Choice

Given the following reactions CaCO₃ (s) → CaO (s) + CO₂ (g) ΔH = 178.1 kJ
C (s,graphite) + O₂(g) → CO₂(g) ΔH = -393.5 kJ
The enthalpy of the reaction
CaCO₃ (s) → CaO (s) + C (s,graphite) + O₂ (g)
Is ________ kJ.

• A)215.4
• B)571.6
• C)-215.4
• D)-571.6
• E)7.01 × 10⁴

---

Definitions:

Write Sections

The act of composing distinct parts of a document, usually organized by topic or theme.

Methods

Systematic procedures or techniques used to accomplish a specific task or research.

Equipment

Tools, machinery, or other apparatus necessary for a particular task or activity.

Author Guidelines

Author guidelines are instructions provided by journals or publishers to authors on how to format and submit their manuscripts for publication.