The second law of thermodynamics says that "the entropy of the Universe is increasing", what is the best interpretation of this statement? The Universe is getting increasingly larger, which increases entropy O When entropy decreases there is always another larger increase in entropy somewhere else The Universe is cooling

The second law of thermodynamics says that "the entropy of the Universe is increasing", what is the best interpretation of this statement? The Universe is getting increasingly larger, which increases entropy O When entropy decreases there is always another larger increase in entropy somewhere else The Universe is cooling

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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All spontaneous changes cause an increase in the entropy of the universe. True False
How does the entropy of the system changes in the reaction of H2(g) + Br2(g)→ 2HBr(g)? increasing entropy decreasing entropy
If this has a negative value for a process, then the process occurs spontaneously. A. Free energy change (ΔG) B. Entropy change (ΔS) C. Enthalpy change (ΔH) D. Heat of vaporization
A process that takes place so slowly as to be capable of reversing direction in response to an infinitesimally small change in conditions is defined as which of the following terms? O Nonspontaneous process Spontaneous change O Irreversible process Reversible process
Consider the two different systems, A and B, shown below. If there are 3 particles with a total energy of 12 J, which system would have more entropy and why? Question 21 options: System A has more entropy because it has greater separation between energy levels and hence more microstates than system B. System B has more entropy because it has more than two microstates, whereas System A only has two microstates possible. System A has more entropy because it has three microstates, whereas System B has less than three microstates possible. System B has more entropy because it has more than three microstates, whereas System A only has three microstates possible. System A has more entropy because it has more than one microstate, whereas System B only has one microstate possible.
8 As you dissolve salt in water, what change would you expect to occur? A B C D The entropy of the system will increase. The kinetic energy of the water molecules decreases. The salt consumes energy as it transfers entropy The water molecules become more closely packed as the temperature increases
How does the molar entropy of a substance change with increasing temperature? The molar entropy of a substance increases with increasing temperatures. O The molar entropy of a substance decreases with increasing temperatures.
TRUE OR FALSE? If the system is in order manner, the change in entropy is lower. Which of the following decreases in entrophy? Ice cream melts Water vapor deposits as ice crystals on cold window panel Iodine crystals undergo sublimation Sugar dissolves in a cup of water Water is heated until lukewarm
Read the descriptions of physical or chemical changes in the table below. Then decide whether the change will be spontaneous, if you can. Change During an endothermic chemical reaction, four moles of gaseous reactants are turned into two moles of gaseous products. A solid precipitates from a solution, releasing heat as it does so. A solid absorbs heat and turns to a gas. Is this change spontaneous? Yes. O No. O Can't decide with information given. O Yes. O No. O Can't decide with information given. O Yes. O No. O Can't decide with information given.
Question 8 According to the Second Law of Thermodynamics, a) any process during which the entropy of the system increases will be product- favored b) any process which is endothermic will be product-favored Oc) any process during which the entropy of the universe increases will be product-favored d) the total amount of matter in the universe remains constant O e) heat will always be transferred from a cooler object to a warmer object
In which of the following processes would the entropy of the system increase? A liquid forming from a gas. A solid forming from a gas. The number of gas molecules increasing during a chemical reaction. A solid precipitating from a solution.
Which one of the following processes produces a decrease in the entropy of the system? freezing of Fe(l) into Fe(s) O evaporation of liquid ethanol into gaseous ethanol O dissolution of LİOH(s) in water mixing of two gases into one container