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Chapter 5: Q21 P (page 205)

a. For which reaction in each set will 鈭哠掳 be more significant?

b. For which reaction will 鈭哠掳 be positive?

Short Answer

Expert verified
  2. Noun

Step by step solution

01

 Definition of 鈭哠°-

Entropy is a measure of a system's freedom of motion.

鈭哠掳 = products' freedom of motion minus reactants' freedom of motion

02

 鈭哠° value will be more significant if the number of molecules of reactant differs from the number of molecules in the product.

Also, we will see at which reaction 鈭哠掳 is positive.

Therefore, 鈭哠掳 will be more significant for the above reactions.

03

None of the four reactions have a 鈭哠°.

The product must have more freedom of motion than the reactant in order to have a positive S掳. In other words, there should be more product molecules than reactant molecules.

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