Which of the following has the highest standard molar entropy at 298 K? C2H4 (g) N2(l)...
Which of the following has the highest standard molar entropy at 298 K? N2(s) He(g) CH4(l) N2(g) C2H6 (g)
Put the following in order of increasing standard molar entropy. CH3COOH(l), HCOOH(l), CH4(g), and C2H4(g). I cannot figure this out!!! Help!! Put the following in order of increasing standard molar entropy. Question List (4 items) (Drag and drop into the appropriate area) CH3COOH() H(U) CH4(8)
For each of the following pairs of substances, determine which has the larger molar entropy at 298 K: (A) Br2(l) or (B) Cl2(g) (C) Fe(s) or (D) Ni(s) (E) C2H6(g) or (F) C2H4(g) (G) CH4(g) or (H) CCl4(g) (I) MgO(s) or (J) HgO(s) (K) NaCl(aq) or (L) MgCl2(aq) Enter the six letters in order (e.g. ACEGIK, BDFHJL, etc.)
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
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...
Which substance would have the greatest standard molar entropy? A. NO2(l) B. NO2(g) C. N2(l) D. N2(g)
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g) — 2 C(s.graphite) + 2 H2(g) AH° = -52.3 kJ What is the standard enthalpy change for this reaction at 298 K? 2 C(s,graphite) + 2 H2(g) — C2H4(9) LLUCU The standard enthalpy change for the following reaction is -240 kJ at 298 K. Ni(s) + 1/2 O2(g) → Nio(s) AH° = -240 kJ What is the standard enthalpy change for the reaction at...
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...
A mixture of 0.02138 mol of C2H6, 0.006096 mol of N2, 0.01567 mol of NH3, and 0.02233 mol of C2H4 is placed in a 1.0-L steel pressure vessel at 5155 K. The following equilibrium is established: 3 C2H6(g) + 1 N2(g) 2 NH3(g) + 3 C2H4(g) At equilibrium 0.0006616 mol of N2 is found in the reaction mixture. (a) Calculate the equilibrium partial pressures of C2H6, N2, NH3, and C2H4. Peq(C2H6) = . Peq(N2) = . Peq(NH3) = . Peq(C2H4)...