Concept explainers
The aluminum-nickel alloy

(a)
Interpretation:
The angle by which the X rays would be diffracted by the
Concept introduction:
A unit cell of the crystal is the three-dimensional arrangement of the atoms present in the crystal. The unit cell is the smallest and simplest unit of the crystal which on repetition forms an entire crystal. Unit cell can be a cubic unit cell or hexagonal unit cell. The classification of a unit cell depends on the lattice site occupied by the atoms.
Answer to Problem 21.34E
The angle by which the X rays would be diffracted by the
Explanation of Solution
The
Where,
•
•
The Bragg equation for diffraction of X rays is given by an expression as shown below.
Where,
•
•
•
•
Substitute equation (1) in equation (2).
The above formula can be written as follows:
The given plane is
Substitute the value of
Thus, the angle by which the X rays would be diffracted by the
The angle by which the X rays would be diffracted by the

(b)
Interpretation:
The angle by which the X rays would be diffracted by the
Concept introduction:
A unit cell of the crystal is the three-dimensional arrangement of the atoms present in the crystal. The unit cell is the smallest and simplest unit of the crystal which on repetition forms an entire crystal. Unit cell can be a cubic unit cell or hexagonal unit cell. The classification of a unit cell depends on the lattice site occupied by the atoms.
Answer to Problem 21.34E
The angle by which the X rays would be e diffracted by the
Explanation of Solution
The
Where,
•
•
The Bragg equation for diffraction of X rays is given by an expression as shown below.
Where,
•
•
•
•
Substitute equation (1) in equation (2).
The above formula can be written as follows:
The given plane is
Substitute the value of
Thus, the angle by which the X rays would be diffracted by the
The angle by which the X rays would be diffracted by the

(c)
Interpretation:
The angle would the X rays be diffracted by the
Concept introduction:
A unit cell of the crystal is the three-dimensional arrangement of the atoms present in the crystal. The unit cell is the smallest and simplest unit of the crystal which on repetition forms an entire crystal. Unit cell can be a cubic unit cell or hexagonal unit cell. The classification of a unit cell depends on the lattice site occupied by the atoms.
Answer to Problem 21.34E
The angle by which the X rays would be diffracted by the
Explanation of Solution
The
Where,
•
•
The Bragg equation for diffraction of X rays is given by an expression as shown below.
Where,
•
•
•
•
Substitute equation (1) in equation (2).
The above formula can be written as follows:
The given plane is
Substitute the value of
Thus, the angle by which the X rays would be diffracted by the
The angle by which the X rays would be diffracted by the
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Chapter 21 Solutions
Student Solutions Manual for Ball's Physical Chemistry, 2nd
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