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1. Which of the following is in the correct order of standard state entropy? I. Liquid...
1. Which of the following will have the greatest standard molar entropy (Sº)? a. NH3(g) d. H:0(1) b. He(g) e. CaCO(s) c. C(s, graphite) 2. Indicate which of the following has the highest entropy at 298 K. a. 0.5 g of HCN b. 1 mol of HCN c. 2 kg of HCN d. 2 mol of HCN e. All of the above have the same entropy at 298 K. EVALUATING AS FOR REACTIONS (non-math recognition) 3. Indicate which one of...
2. Which of the following is in the correct order of standard state entropy? I. CO2(g) < CO(g) II. Br2(l) < Br2(g) III. S8(s) < S2(g) I need help with all 3 questions.. Please explain. 2. Which of the following is in the correct order of standard state entropy? I. CO1g)COG) II. Br2(l) <Br2(g) III. Ss(s)< S2(g) a. I only b. II only c. III only d. I and II only II and III only e. 3. Determine the value...
5. The standard molar entropy of liquid ethanol (C2H5OH) is 160.7 J K mol and the standard enthalpy of combustion is - 1368 kJ mol at 298 K, how much is the standard Gibbs energy (A,Gº) of formation of liquid ethanol at 298 K? (20 pts) The formation reaction of ethanol is 2C (graphite) + O2(g) + 3H2 (g) → C2H5OH() The combustion reaction of ethanol is CH5OH (1) + 302 (9) ► 200, (g) + 3H20 (1) CO; (g)...
Model - Entropy as a State Function Entropy, S, as with all other state functions like internal energy, E, and enthalpy, H, is a function of the state of a system. Because measuring the absolute state of a system more difficult than measuring the changes in its states, it is the change in entropy, ΔS, in which we will be interested. This means the only aspects that will interest us will be the difference in the final and initial entropies...
Which correctly lists the following in order of increasing entropy? i. 1 mol of HCI (g) at 50 °C ii. 1 mol of NaCl (s) at 25°C iii. 2 mol of HCI (g) at 50 °C iv. 1 mol of HCI (g) at 25°C ► View Available Hint(s) O iv. <ii. <i. <iii. O ii. <iv. <i. <ii. O ii. <iv. <iii. <i. O ili. <i. civ. <ii. Submit
Calculate the standard entropy change for the formation of 1.0 mol of the following compounds from the elements at 25 °C. a. C2H2 (g) b. MgCO3 (s) Calculate the standard entropy change for the formation of 1.0 mol of the following compounds from the elements at 25 °C. C2H2(g) a. Use the following data: C2H2(g) C(s, graphite) H2(g) J K·mol 200.94 5.6 130.7 A, Sº = J/Kºmol-rxn MgCO3(s) b. Use the following data: S° MgCO3(s) Mg(s) C(s, graphite) O2(g) K·mol...
For each of the following pairs, indicate which substance possesses the larger standard entropy. Part A 1 mol of P4(g) at 300 ∘C, 0.01 atm, or 1 mol of As4(g) at 300 ∘C, 0.01 atm 1 of at 300 , 0.01 , or 1 of at 300 , 0.01 1 mol of P4(g) at 300 ∘C, 0.01 atm 1 mol of As4(g) at 300 ∘C, 0.01 atm Part B 1 mol of H2O(g) at 100 ∘C, 1 atm, or 1...
Which of the following has the highest standard molar entropy at 298 K? C2H4 (g) N2(l) CH4 (g) C2H6 (g) Which of the following has the lowest standard molar entropy at 298 K? C2H4 (g) He(g) CH4 (g) N2(l) C2H6 (g)
Which of the following has the highest standard molar entropy at 298 K? N2(s) He(g) CH4(l) N2(g) C2H6 (g)
Which of the following are listed in order of increasing standard molar entropy? Au(s)< Aulg) H20) CH3OH() < H2O(g) Au(s)< H2O(0 CH3OH() Auls) H2Olg) Au(s)< H2O()< CH3OH()< H2Ola)< Aulg) H20(0 CH3OH(0<Au(s)<Au(s) < H2Olg) H2O(M Auls)<CH,OH()< H2O(g)<Au(g)