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What is the advantage of plotting the (natural) logarithm of the number of ways of arranging the energy among the many atoms (natural logarithm of the number of microstates)?

Short Answer

Expert verified

The advantage of plotting the (natural) logarithm of the number of ways of arranging the energy among the many atoms (natural logarithm of the number of microstates) is that the natural logarithms are used to express large numbers.

Step by step solution

01

Significance of natural logarithm

There are 3 reasons for finding a natural logarithm.

  • A quantity “e”that happens frequently and unavoidably in nature.
  • Natural logarithms consist of simple derivativesamong all the other logarithms.
  • While calculating logarithms to the base, we first need to calculate “e” andmultiply it by a constant.
02

Step 2: Advantages of plotting the (natural) logarithm

The following are the advantages of plotting the (natural) logarithm of the number of ways of arranging the energy among the many atoms;

  • The natural logarithm can be moderately skeweddata more generally distributed to constant variance.
  • We have to use astraight line to allow the data to fall in a curved pattern to be generated.
  • We canexpress large numbersby using natural logarithms.

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Most popular questions from this chapter

Many chemical reactions proceed at rates that depend on the temperature. Discuss this from the point of view of the Boltzmann distribution.

In Chapter 4 you determined the stiffness of the interatomic “spring” (chemical bond) between atoms in a block of lead to be 5 N/m, based on the value of Young’s modulus for lead. Since in our model each atom is connected to two springs, each half the length of the interatomic bond, the effective “interatomic spring stiffness” for an oscillator is

4 × 5 N/m = 20 N/m. The mass of one mole of lead is 207 g (0.207 kg). What is the energy, in joules, of one quantum of energy for an atomic oscillator in a block of lead?

Consider an object containing 6 one-dimensional oscillators (this object could represent a model of 2 atoms in an Einstein solid). There are 4 quanta of vibrational energy in the object. (a) How many microstates are there, all with the same energy? (b) If you examined a collection of 48,000 objects of this kind, each containing 4 quanta of energy, about how many of these objects would you expect to find in the microstate 000004?

The reasoning developed for counting microstates applies to many other situations involving probability. For example, if you flip a coin 5 times, how many different sequences of 3 heads and 2 tails are possible? Answer: 10 different sequences, such as HTHHT or TTHHH. In contrast, how many different sequences of 5 heads and 0 tails are possible? Obviously only one, HHHHH, and our equation gives 5!/[5!0!]=1, using the standard definition that 0! is defined to equal 1.

If the coin is equally likely on a single throw to come up heads or tails, any specific sequence like HTHHT or HHHHH is equally likely. However, there is only one way to get HHHHH, while there are 10 ways to get 3 heads and 2 tails, so this is 10times more probable than getting all heads. Use the expression5!/[N!5-N!]to calculate the number of ways to get 0 heads, 1 head, 2 heads, 3 heads, 4 heads, or 5 heads in a sequence of 5 coin tosses. Make a graph of the number of ways vs. the number of heads.

Suppose that the entropy of a certain substance (not anEinstein solid) is given by S=aE, where ais a constant. Whatis the specific heat capacity Cas a function of the temperature T?

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