The reaction energy diagram for the given reaction. Interpretation: The reaction energy diagram for the given reaction is to be drawn. Concept introduction: The graphical representation of chemical reaction in which x-axis represents energy of the reaction and y-axis represents the extent of reaction process is called energy profile diagram. The reaction is exothermic or endothermic and can be predicted from the energy profile diagram.

Question

The following equations represent the formation of compound MX. What is the AH for the electron affinity of X (g)? X₂ (g) → 2X (g) M (s) → M (g) M (g) M (g) + e- AH = 60 kJ/mol AH = 22 kJ/mol X (g) + e-X (g) M* (g) +X (g) → MX (s) AH = 118 kJ/mol AH = ? AH = -190 kJ/mol AH = -100 kJ/mol a) -80 kJ b) -30 kJ c) -20 kJ d) 20 kJ e) 156 kJ

Answer 1

Question

Chapter 4.10, Problem 4.15P

(a)

Interpretation Introduction

To determine: The reaction energy diagram for the given reaction.

Interpretation: The reaction energy diagram for the given reaction is to be drawn.

Concept introduction: The graphical representation of chemical reaction in which x-axis represents energy of the reaction and y-axis represents the extent of reaction process is called energy profile diagram. The reaction is exothermic or endothermic and can be predicted from the energy profile diagram.

(b)

Interpretation Introduction

To determine: The equation of the reverse reaction.

Interpretation: The equation of the reverse reaction is to be stated.

Concept introduction: The graphical representation of chemical reaction in which x-axis represents energy of the reaction and y-axis represents the extent of reaction process is called energy profile diagram. The reaction is exothermic or endothermic and can be predicted from the energy profile diagram.

(c)

Interpretation Introduction

To determine: The activation of the reverse reaction.

Interpretation: The activation energy of the reverse reaction is to be calculated.

Concept introduction: The graphical representation of chemical reaction in which x-axis represents energy of the reaction and y-axis represents the extent of reaction process is called energy profile diagram. The reaction is exothermic or endothermic and can be predicted from the energy profile diagram.

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