### Energy Change Calculation for the Reaction: Ca(g) + S(g) → CaS(g)#### Data Required for Calculation:**Ionization Energy:**| Atom | \( I_1 \) (aJ) | \( I_2 \) (aJ) ||------|---------------|---------------|| Mg | 1.23 | 2.41 || Ca | 0.980 | 1.90 |**Electron Affinity:**| Atom | \( EA_1 \) (aJ) | \( EA_2 \) (aJ) ||------|----------------|----------------|| O | \(-0.234\) | \(+1.30\) || S | \(-0.332\) | \(+0.980\) |**Ionic Radius:**| Ion | Radius (pm) ||-------|-------------|| \( \text{Mg}^{2+} \) | 72 || \( \text{Ca}^{2+} \) | 100 || \( \text{O}^{2-} \) | 140 || \( \text{S}^{2-} \) | 184 |#### Energy Calculation:- The objective is to use the provided ionization energy, electron affinity, and ionic radius data alongside Coulomb's law to determine the energy change for the formation of calcium sulfide, \( \text{CaS} \).- A highlighted box shows the calculated energy change \( \Delta E_{\text{rxn}} = 0.096 \, \text{aJ} \), marked as incorrect.This information is meant for understanding energy calculations in chemical reactions and determining discrepancies in given computational results.

We have ask here to calculate energy change for the reaction of Ca(g) + S(s) -----> CaS(g) By…

Using the data in the tables and Coulomb's law, calculate the energy change for this reaction (per formula unit of CaS). Ca(g) + S(g) →→→ CaS(g) Ionization energy Atom Mg Ca Electron affinity Atom O S Ionic radius Ion Mg2+ Ca²+ 0²- S²- I₁ (aJ) 1.23 0.980 EA₁ (aJ) -0.234 -0.332 I₂ (aJ) 2.41 1.90 EA₂ (aJ) +1.30 +0.980 Radius (pm) 72 100. 140. 184 AErxn = 0.096 Incorrect

Using the data in the tables and Coulomb's law, calculate the energy change for this reaction (per formula unit of CaS). Ca(g) + S(g) →→→ CaS(g) Ionization energy Atom Mg Ca Electron affinity Atom O S Ionic radius Ion Mg2+ Ca²+ 0²- S²- I₁ (aJ) 1.23 0.980 EA₁ (aJ) -0.234 -0.332 I₂ (aJ) 2.41 1.90 EA₂ (aJ) +1.30 +0.980 Radius (pm) 72 100. 140. 184 AErxn = 0.096 Incorrect

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Electron Affinity

When an element undergoes a chemical reaction, it either gains energy or loses energy. This gain or loss of energy is due to the phenomena that occur at atomic level. During reaction, atoms either gain electrons from other atoms or lose electrons to other atoms, and in that process, energy is produced.

P-Block Elements

Elements which are present on the right side of the periodic table are called p-block elements. In addition to the noble gases, they include the families of boron, mercury, nitrogen, oxygen and fluorine. These elements have diverse real-life implementations that we regularly experience around us.

Metals and Non-metals

The periodic table is composed of metals, semi-metals and nonmetal elements. The physical and chemical properties of metals and nonmetals differ from each other. The study of metals and nonmetals will help one to understand the appropriate application of the particular element.

Question

### Energy Change Calculation for the Reaction: Ca(g) + S(g) → CaS(g)

#### Data Required for Calculation:

**Ionization Energy:**

| Atom | \( I_1 \) (aJ) | \( I_2 \) (aJ) |
|------|---------------|---------------|
| Mg | 1.23 | 2.41 |
| Ca | 0.980 | 1.90 |

**Electron Affinity:**

| Atom | \( EA_1 \) (aJ) | \( EA_2 \) (aJ) |
|------|----------------|----------------|
| O | \(-0.234\) | \(+1.30\) |
| S | \(-0.332\) | \(+0.980\) |

**Ionic Radius:**

| Ion | Radius (pm) |
|-------|-------------|
| \( \text{Mg}^{2+} \) | 72 |
| \( \text{Ca}^{2+} \) | 100 |
| \( \text{O}^{2-} \) | 140 |
| \( \text{S}^{2-} \) | 184 |

#### Energy Calculation:

- The objective is to use the provided ionization energy, electron affinity, and ionic radius data alongside Coulomb's law to determine the energy change for the formation of calcium sulfide, \( \text{CaS} \).
- A highlighted box shows the calculated energy change \( \Delta E_{\text{rxn}} = 0.096 \, \text{aJ} \), marked as incorrect.

This information is meant for understanding energy calculations in chemical reactions and determining discrepancies in given computational results.

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