The spontaneity of a process depends on several factors; one of the several factors is entropy. When the change in entropy of a process is negative, the process is said to be spontaneous. Concept introduction: Entropy is referred to as the 'state of disorder' of a system. Also, entropy is a measure of the energy of atoms and molecules in a process and can be defined in terms of statistical probabilities of a system or in terms of the other thermodynamic quantities. When the change in entropy of a process is negative, the process is said to be spontaneous due to increase randomness of the system. When the change in entropy of a process is positive, the process is said to be non-spontaneous due to decrease in randomness of the system. The change in entropy occurs during phase transitions, precipitation reactions etc. The change in entropy is defined as the difference between the entropies of the final and initial states: Δ S = S f − S i . Given: C a C O 3 ( s ) → C a O ( s ) + C O 2 ( g ) To determine: To determine the sign of Δ S t o t a l , and to determine whether the decomposition of calcium carbonate is spontaneous under standard-state conditions at 25 o C.

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Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 17, Problem 17.9P

Interpretation Introduction

Interpretation:

The spontaneity of a process depends on several factors; one of the several factors is entropy. When the change in entropy of a process is negative, the process is said to be spontaneous.

Concept introduction:

Entropy is referred to as the 'state of disorder' of a system. Also, entropy is a measure of the energy of atoms and molecules in a process and can be defined in terms of statistical probabilities of a system or in terms of the other thermodynamic quantities.
When the change in entropy of a process is negative, the process is said to be spontaneous due to increase randomness of the system. When the change in entropy of a process is positive, the process is said to be non-spontaneous due to decrease in randomness of the system. The change in entropy occurs during phase transitions, precipitation reactions etc.
The change in entropy is defined as the difference between the entropies of the final and initial states:

ΔS = Sf − Si.

Given:

CaCO3(s)→CaO(s)+CO2(g)

To determine:

To determine the sign of ΔStotal , and to determine whether the decomposition of calcium carbonate is spontaneous under standard-state conditions at 25^oC.

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Answer 2

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Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 17, Problem 17.9P

Interpretation Introduction

Interpretation:

The spontaneity of a process depends on several factors; one of the several factors is entropy. When the change in entropy of a process is negative, the process is said to be spontaneous.

Concept introduction:

Entropy is referred to as the 'state of disorder' of a system. Also, entropy is a measure of the energy of atoms and molecules in a process and can be defined in terms of statistical probabilities of a system or in terms of the other thermodynamic quantities.
When the change in entropy of a process is negative, the process is said to be spontaneous due to increase randomness of the system. When the change in entropy of a process is positive, the process is said to be non-spontaneous due to decrease in randomness of the system. The change in entropy occurs during phase transitions, precipitation reactions etc.
The change in entropy is defined as the difference between the entropies of the final and initial states:

ΔS = Sf − Si.

Given:

CaCO3(s)→CaO(s)+CO2(g)

To determine:

To determine the sign of ΔStotal , and to determine whether the decomposition of calcium carbonate is spontaneous under standard-state conditions at 25^oC.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 17, Problem 17.9P

Interpretation Introduction

Interpretation:

The spontaneity of a process depends on several factors; one of the several factors is entropy. When the change in entropy of a process is negative, the process is said to be spontaneous.

Concept introduction:

Entropy is referred to as the 'state of disorder' of a system. Also, entropy is a measure of the energy of atoms and molecules in a process and can be defined in terms of statistical probabilities of a system or in terms of the other thermodynamic quantities.
When the change in entropy of a process is negative, the process is said to be spontaneous due to increase randomness of the system. When the change in entropy of a process is positive, the process is said to be non-spontaneous due to decrease in randomness of the system. The change in entropy occurs during phase transitions, precipitation reactions etc.
The change in entropy is defined as the difference between the entropies of the final and initial states:

ΔS = Sf − Si.

Given:

CaCO3(s)→CaO(s)+CO2(g)

To determine:

To determine the sign of ΔStotal , and to determine whether the decomposition of calcium carbonate is spontaneous under standard-state conditions at 25^oC.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 17, Problem 17.9P

Interpretation Introduction