Strength of given pairs of acid has to be compared. Concept Introduction: Acid strength is determined by comparing with other acids. The ability of the acid to lose a proton determines its strength. If an acid completely dissociates in solution means it is strong acid. If an acid partially dissociates means it is weak acid. Acid that contains oxygen is known as oxoacid. This has at least a single hydrogen atom which is bonded to oxygen, which can dissociate to give a proton and anion of the acid. The acid strength of oxoacid depends upon the oxidation number of the central atom and electronegativity of the same. The more the oxidation number and electronegativity, the strength of oxoacid will be more. To Compare: The strength of given pair of acids.

Question

30. We will derive the forms of the molecular partition functions for atoms and molecules shortly in class, but the partition function that describes the translational and rotational motion of a homonuclear diatomic molecule is given by Itrans (V,T) = = 2πmkBT h² V grot (T) 4π²IKBT h² Where h is Planck's constant and I is molecular moment of inertia. The overall partition function is qmolec Qtrans qrot. Find the energy, enthalpy, entropy, and Helmholtz free energy for the translational and rotational modes of 1 mole of oxygen molecules and 1 mole of iodine molecules at 50 K and at 300 K and with a volume of 1 m³. Here is some useful data: Moment of inertia: I2 I 7.46 x 10- 45 kg m² 2 O2 I 1.91 x 101 -46 kg m²

Answer 1

Question

Chapter 16, Problem 16.62QP

(a)

Interpretation Introduction

Interpretation: Strength of given pairs of acid has to be compared.

Concept Introduction:

Acid strength is determined by comparing with other acids. The ability of the acid to lose a proton determines its strength. If an acid completely dissociates in solution means it is strong acid. If an acid partially dissociates means it is weak acid.

Acid that contains oxygen is known as oxoacid. This has at least a single hydrogen atom which is bonded to oxygen, which can dissociate to give a proton and anion of the acid.

The acid strength of oxoacid depends upon the oxidation number of the central atom and electronegativity of the same. The more the oxidation number and electronegativity, the strength of oxoacid will be more.

To Compare: The strength of given pair of acids.

(b)

Interpretation Introduction

Interpretation: Strength of given pairs of acid has to be compared.

Concept Introduction:

Acid strength is determined by comparing with other acids. The ability of the acid to lose a proton determines its strength. If an acid completely dissociates in solution means it is strong acid. If an acid partially dissociates means it is weak acid.

Acid that contains oxygen is known as oxoacid. This has at least a single hydrogen atom which is bonded to oxygen, which can dissociate to give a proton and anion of the acid.

The acid strength of oxoacid depends upon the oxidation number of the central atom and electronegativity of the same. The more the oxidation number and electronegativity, the strength of oxoacid will be more.

To Compare: The strength of given pair of acids.

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