1. One of the major limitations of the first law of thermodynamics is: a. It doe

Question

1. One of the major limitations of the first law of thermodynamics is: a. It does not say anything about the system and its surroundings b. It says that the energy of the universe is constant c. It does not predict the direction of change d. It says that the entropy of the universeis conserved. e. It says only endothermic reactions are spontaneous 2. According to the second law of thermodynamics, the entropy of the universe during a spontaneous process. a. decreases b. increases c. stays the same d. is maximum e. is minimum 3. Which of the following metals has the highest absolute entropy? a. K b. Na c. Li e. Rb

Explanation / Answer

Q1.

the main limitation is that it will not predict the direction of change

thereofre, we need the 2nd law of thermodynamics

Q2.

entropy of universe must always INCREASE, as the forward reaction occurs

Q3.

absolute entropy --> total chaos,

the greater the mass, the more chaos, therefore Rb

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