The four different concepts are given in the N 2 molecule and which is one correct statement should identify. Concept Introduction : Valance bond (VBT) theory : Valence bond theory is a chemical bonding theory that explains the bonding between two atoms is caused by the overlap of half-filled atomic orbitals. The two atoms share each other's unpaired electron to form a filled orbital to form a hybrid orbital and bond together. Hybridization: When the atomic orbitals mix to form new atomic orbitals, the new orbitals have the same total electron capacity as the old ones. The properties and energies of the new, hybridized orbitals are an 'average' of the original unhybridized orbitals. Valence shell electron pair repulsion (VSEPR) theory: It is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.

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Answer 1

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Definition Definition Theory that explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. VBT gives a quantum mechanical approach to the formation of covalent bonds with the help of wave functions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.

Chapter 9.2, Problem 4RC

Interpretation Introduction

Interpretation:

The four different concepts are given in the N2 molecule and which is one correct statement should identify.

Concept Introduction:

Valance bond (VBT) theory: Valence bond theory is a chemical bonding theory that explains the bonding between two atoms is caused by the overlap of half-filled atomic orbitals. The two atoms share each other's unpaired electron to form a filled orbital to form a hybrid orbital and bond together.

Hybridization: When the atomic orbitals mix to form new atomic orbitals, the new orbitals have the same total electron capacity as the old ones. The properties and energies of the new, hybridized orbitals are an 'average' of the original unhybridized orbitals.

Valence shell electron pair repulsion (VSEPR) theory: It is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.

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Show all work (where appropriate) for full credit. 1. Describe (steps, equipment and quantities) how to accurately prepare 250.0 mL of a 0.0075 M solution of NaCl (aq) from a 500 mL, 0.0500 M stock solution. 2. Describe (steps, equipment and quantities) how to accurately prepare 250.0 mL of a 0.0075 M solution of NaCl (aq) from 100 g of solid NaCl.

5. An unlabeled gas cylinder was recently found in the laboratory. A sample of the gas was removed and analyzed. A 500.0 mL sample of the gas at 15°C and a pressure of 736 mmHg was found to weigh 2.688 g. Determine the molar mass of the gas. What element is the gas?

4. Nitrogen gas is commonly sold in 49.0 L steal cylinders at a pressure of 150 atm. (a) How many moles of nitrogen are in the container if the temperature of the cylinder is 21°C. (b) How many moles of nitrogen will there be if the container above is heated to 100°C? (careful here) (c) What is the mass of nitrogen gas in the cylinder in part (a)? (d) What volume would the nitrogen occupy at 21°C, if the pressure was reduced to 1.02 atm? (e) What would be the pressure of the nitrogen gas in the cylinder when the temperature is raised to 39°C?

Answer 2

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Definition Definition Theory that explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. VBT gives a quantum mechanical approach to the formation of covalent bonds with the help of wave functions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.

Chapter 9.2, Problem 4RC

Interpretation Introduction

Interpretation:

The four different concepts are given in the N2 molecule and which is one correct statement should identify.

Concept Introduction:

Valance bond (VBT) theory: Valence bond theory is a chemical bonding theory that explains the bonding between two atoms is caused by the overlap of half-filled atomic orbitals. The two atoms share each other's unpaired electron to form a filled orbital to form a hybrid orbital and bond together.

Hybridization: When the atomic orbitals mix to form new atomic orbitals, the new orbitals have the same total electron capacity as the old ones. The properties and energies of the new, hybridized orbitals are an 'average' of the original unhybridized orbitals.

Valence shell electron pair repulsion (VSEPR) theory: It is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.

Expert Solution & Answer

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Answer 3

Question

Definition Definition Theory that explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. VBT gives a quantum mechanical approach to the formation of covalent bonds with the help of wave functions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.

Chapter 9.2, Problem 4RC

Interpretation Introduction

Interpretation:

The four different concepts are given in the N2 molecule and which is one correct statement should identify.

Concept Introduction:

Valance bond (VBT) theory: Valence bond theory is a chemical bonding theory that explains the bonding between two atoms is caused by the overlap of half-filled atomic orbitals. The two atoms share each other's unpaired electron to form a filled orbital to form a hybrid orbital and bond together.

Hybridization: When the atomic orbitals mix to form new atomic orbitals, the new orbitals have the same total electron capacity as the old ones. The properties and energies of the new, hybridized orbitals are an 'average' of the original unhybridized orbitals.

Valence shell electron pair repulsion (VSEPR) theory: It is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Theory that explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. VBT gives a quantum mechanical approach to the formation of covalent bonds with the help of wave functions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.

Chapter 9.2, Problem 4RC

Interpretation Introduction