From statistical thermodynamics we know that the Entropy of an ideal monoatomic gas is directly proportional to: Ⓡ a. Temperature and pressure. b. ● C. d. a constant Temperature, volume and molecular mass none of the other answers Only temperature and volume I

From statistical thermodynamics we know that the Entropy of an ideal monoatomic gas is directly proportional to: Ⓡ a. Temperature and pressure. b. ● C. d. a constant Temperature, volume and molecular mass none of the other answers Only temperature and volume I

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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Calculate AS for NH3(g). AS = i Use data in the table below: Substance Ag(s) AgCl(s) Al(s) Al₂O3(s) C(s) (graphite) CO(g) CO₂(g) CH₂(g) CH₂Cl(g) CH₂OH(1) C₂H₂(g) C₂H₂(g) C₂H6(g) CgH 18(1) C₂H₂OH(1) Standard Entropies of Some Typical Substances at 298.15 K Sᵒ (J mol-¹ K-¹) 40 76.1 Ca(s) CaCO3(s) SaCl₂(s) Sº (J mol-¹ K-¹) 42.55 96.2 28.3 51.0 186.2 234.2 126.8 CO(NH2)2(s) 104.6 CO(NH,)2(aq) 173.8 200.8 219.8 229.5 466.9 161 5.69 197.9 213.6 41.4 92.9 114 JK-1 Substance CaO(s) Ca(OH)₂ (s) CaSO4(s) 107 CaSO4+H₂O(s) 131 CaSO4-2H₂O(s) 194.0 223.0 27 90.0 130.6 188.7 Cl₂(g) Fe(s) Fe₂O3(s) H₂(g) H₂O(g) H₂O(l) HCI(g) HNO3(1) H₂SO4(1) HC,H,O,(D) Hg(1) Hg(g) K(s) KCl(s) K₂SO4(s) 69.96 186.7 155.6 157 160 76.1 175 64.18 82.59 176 Substance N₂(g) NH3(g) NH₂Cl(s) NO(g) NO₂(g) N₂O(g) N₂O4(g) Na(s) Na₂CO3(s) NaHCO3(s) NaCl(s) NaOH(s) Na₂SO4(s) 0₂(8) PbO(s) S(s) SO₂(g) SO3(g) Sº (J mol-¹ K-¹) 191.5 192.5 94.6 210.6 240.5 220.0 304 51.0 136 102 72.38 64.18 149.4 205.0 67.8 31.9 248.5 256.2
6) Which statement below best describes the Second Law of Thermodynamics? a. A perfectly ordered crystalline solid at zero Kelvin has zero entropy. b. The total entropy is positive for a spontaneous process. c. Energy is conserved. Scanned with CamScanner
Which best describes the entropy change for the following process? CO2(g) + H2(9g) CO(s) + H2O(g) А. positive В. negative С. close to 0 change in entropy
Q7. For each reaction, predict the sign of entropy of system and find the value of ASuniv. a. 3NO (g) N₂O (g) + NO2 (g) b. P4 (g) +5 Oz (g) → P4010 (S) c. Combustion of ethane (C2H6) gas to form carbon dioxide and gaseous water.
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Which of the following statements is not true? А. An endothermic reaction can be spontaneous if accompanied by a negative change in entropy. An exothermic reaction will always be spontaneous. C. A postitive entropy change favours spontaneity. A negative enthalpy change favours spontaneity. B.
4. A particular endothermic process results in an decrease in system entropy; therefore, the G value is _________ and the process is _____________. a. negative; spontaneous b. negative; nonspontaneous c. positive; spontaneous d. positive; nonspontaneous
Suppose your room could be arranged in 1000 different ways. What is the corresponding entropy? Data: Boltzmann constant k=1.38×10-23 J/K.
1. All of the following are not state functions EXCEPT Group of answer choices w q P S 2.According to the_______Law of Thermodynamics, for any spontaneous reaction, the entropy of the universe increases. Group of answer choices A. Third B, Zeroth C, Second D, First E, Fourth
a) Formulate the second law of thermodynamics. b) Consider the statements below. Answer them and give brief explanations. a. An explosive (e.g. C7H5N3O6) reacts with oxygen, the result is CO2 (g), H2O (g) and N2 (g). Is there an increase or decrease of Entropy after the reaction occurred? b. Colloquially, people say that during the cold months of the year, the “cold” is creeping into the warmer house. Is this statement true considering the 2nd law?
At 0.9 bar of pressure and 373.15 K, the hypothetical transition from liquid to gaseous water will result in what change in the total entropy of the “universe”? No change An increase in the total entropy A decrease in the total entropy Not enough information to determine
In the following image of a Carnot cycle, X and Y represent what? Isothermal 1 2 Adiabatic Adiabatic 4 3 Isothermal Y O A. Pressure and Volume respectively O B. Temperature and Volume respectively O C. Pressure and Temperature respectively O D. Entropy and Temperature respectively O E. Temperature and Entropy respectively