(a) Interpretation: The empirical and the molecular formulas of the given compound are to be stated. Concept introduction: The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula. In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Question

Topic: Photochemistry and Photophysics of Supramolecules

Answer 1

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Topic: Photochemistry and Photophysics of Supramolecules

Two cations that exchange an electron in an interface, the exchange density is worth 1.39 mA/cm2 and the current density is worth 15 mA/cm2 at 25°C. If the overvoltage is 0.14 V, calculate the reaction rate and symmetry factor. Data: R = 8,314 J mol-1 k-1: F = 96500 C

With the help of the Tafel line, it is estimated that the interchange density of the VO2+/VO2+ system on the carbon paper has a value of 3 mA cm-2. Calculate a) the current density if the voltage has a value of 1.6 mV and the temperature is 25°C. b) the beta value of the anódico process if the Tafel pendulum is 0.6 V at 25°C. Data: R = 8.314 JK-1mol-1, y F = 96485 C mol-1.

Answer 2

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Answer 3

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Answer 4

Question

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

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Answer 5

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 6

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 7

Chapter 7, Problem 11PE

Interpretation Introduction

(a)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The empirical and the molecular formulas of the given compound are to be stated.

Concept introduction:

The atomic mass of an atom is defined as the average mass of the atoms in an element. Similarly, in case of molecules, the average mass of molecules is known as molecular mass. Formula mass is the mass of the atoms present in a molecular formula.

In a chemical compound, the proportion of atoms present in a compound is given by the empirical formula. On the other hand, molecular formula represents the exact number of atoms present in a compound.

Answer 14

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Answer 25

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Chapter 7 Solutions