Which system has the greatest entropy?
A. 1 mol of H2(g) at STP |
B. 1 mol of H2(g) at 100∘C 0.5 atm |
C. 1 mol of H2O(s) at 0∘C |
D. 1 mol of H2O(l) at 25∘C |
Which system has the greatest entropy? A. 1 mol of H2(g) at STP B. 1 mol...
Which one of the following has the greatest entropy? a) 2 mol N2(g) at 0.5 atm and at 700oC. b) 1 mol N2(g) at 0.5 atm and at 400oC. c) 1 mol N2(g) at 0.5 atm and at 700oC. d) 1 mol N2(g) at 1 atm and at 400oC.
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...
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 has the highest entropy? (1 point ) * C(s) CH4(g) H2O(l) H2O(s) Which has lowest entropy? (1 point ) * H2O(l) NaCl(s) O2(g) sugar (aq) Which has largest entropy? (1 point ) * .01 L H2O 0.5L N2 at STP 1 L Ar(g) at 4 K 1L O2 at STP Which has lowest entropy? (1 point ) * air ice cubes liquid water space
3. Entropy a. Rank the following systems in order of increasing entropy. i. 1 mol of Ne (g) at 273 K and 20 L ii. 0.5 mol of Ne (g) at 100 K and 20 L ii. 0.5 mol of Ne () at 100 K iv. I mol of CClh (g) at 273 K and 40 L Lowest Entropy: Highest Entropy: The reaction below is the basis of a suggested method for removal of SOs, a pollutant that irritates airways...
11. For each pair of substances determine which has the higher entropy per mole of substance. a. H2O (s) at 200 K or H2O(s) at 298 K. b. H2(g) at 298 K, 2.0 atm or H2(g) at 298 K, 1.0 atm. c. H2(g) at 298 K, 5.0 L or H2(g) at 298 K, 1.0 L. d. H2(g) at 500 K, 1.0 atm or H2(g) at 298 K, 1.0 atm. e. H2O(l) at 298 K or H2O(g) at 298 K. f....
2. A mixture of 0.2000 mol of CO2, 0.1000 mol of H2, and 0.1600 mol of H2O is placed in a 2.000-L system. The following equilibrium is established at 500 K CO2(g) + H2(c) -> CO(S) + H2O(g) At equilibrium, Prao = 3.51 atm. A) Calculate the equilibrium partial pressures of CO2. Hz, and CO (6 points) and B) Calculate Kfor the reaction (4 points). Recall PV = nRT, with R = 0.0821 L-atm/mol-K. Hint: ICE chart not necessary. Notice...
1. (2 points) In each pair, choose the one with the most entropy. 1 mol of O3 (at STP) or 1 mol of SO3 (at STP) a. 1 mol of He at 100 K or 1 mol of He at 0 K b. c. Glucose (C&H12O6) or sucrose (C12H22O11) 1 mol of N2 gas at 0.01 atm or 1 mol of N2 gas at 1.0 atm d.
17.3 #1 Which of the following transformations represent an increase in the entropy of the system. Choose all that apply 1 mol Xe (0.810 atm, 215K) ->1 mol Xe (0.810 atm, 430K) 33 g Hg (liquid, 239K) -> 33 g Hg (liquid, 625K) 5 mol H2 (8.87 L, 214K) -> 5 mol H2 (17.7 L, 214K) 33 g Hg (gas, 630K) -> 33 g Hg (liquid, 630K) 49 g Pb (liquid, 601.0K) -> 49 g Pb (solid, 601.0K)
1. Which of the following is in the correct order of standard state entropy? I. Liquid water < gaseous water II. Liquid water < solid water III. NH; <H3 a. I only b. II only III only d. I and II only e. I and III only c. 2. Which of the following will have the greatest standard molar entropy (Sº)? a. NH3(g) d. H2O(1) b. He(g) CaCO3(s) c. C(s, graphite) e. 3. Indicate which of the following has the...