Consider the follow reaction: CH4(g)---CH4(l) which of the following is true? a. the reaction is never spontaneous b. the reaction is always spontaenous c. spont at high temp d. spont at low temp please explain
Consider the follow reaction: CH4(g)---CH4(l) which of the following is true? a. the reaction is never...
13. Consider the reaction: N2(g) 31120g2NH3(g) AH92 kJ Which of the following statement is TRUE regarding this reaction? (A) The reaction is spontaneous at all temperature. (B) The reaction is spontaneous at high temperature, but nonspontaneous at low temperature (C) The reaction is spontaneous at low temperature, but nonspontaneous at high temperature. (D) The reaction is nonspontaneous at all temperature.
Consider a reaction for which ΔH = 6.03 kJ/mol; ΔS = 22.1 J/K-mol. Which of the following statements is true? a. The reaction becomes spontaneous at high temperatures above 273 K b. The reaction becomes spontaneous at low temperatures below 273 K c. The reaction is spontaneous at all temperatures d. The reaction is never spontaneous
Need serious help on these 3! Please help! Which of the following should have the largest value of S degree? a) SF_6 (g) at 298K b) H_2O (l) at 298K c) He(g) at 298K d) CH_3OH (l) at 298K Which of these changes in the distribution of the nine particles shows an decrease in entropy? Which of these statements is true for this reaction? FeO(s) + CO(g) rightarrow CO_2(g) + Fe(s) Delta H = -11.0 kJ; Delta S = -17.4...
4. Consider the reaction 3 C (graphite)2 H2O (g) CH4 (g) 2 CO (g) The following data are needed (all are at 298 K): S(J mol K) AH(kJ mol AAG(kJ mol) compound C, graphite 0 5.740 Н.О (g) - 241.82 188.83 - 228.57 CH4 (g) 186.26 -74.81 - 50.72 СО (g) 197.67 - 137.17 - 110.53 a) Determine A,G° and K for this reaction at 298 K and comment on the spontaneity of this process b) If you find that...
14. Which of the following is not a state function? a. Internal Energy b. Free Energy c. Enthalpy d. Entropy e. Heat 15. The second law of thermodynamics states that a. the entropy of a perfect crystal is zero at 0 K b. the entropy of the universe is constant. c. the energy of the universe is increasing. d. the entropy of the universe is increasing. e. the energy of the universe is constant. 16. Which of the following are...
QU Which of the following statements about this non-spontaneous reaction at 25°C are true? 20,42 (0) 50,(a) →400,) + 2H20(e) A AS >O, AS >, the man is always spontaneous B. AS > 0, AS O the nun is spontaneous when Syl> nal CASO, ASR, the nan is never spontaneous D. ASO, ASgure >, the nun is spontaneous when SunSul EASO, AS gure>, the nun is spontaneous when IS ! Question 0.1/0.1 pts Which of the following statements about this...
Consider a reaction that has a negative ΔH and a negative ΔS. Which of the following statements is TRUE? A)This reaction will be nonspontaneous only at low temperatures. B)This reaction will be spontaneous only at low temperatures. C)This reaction will be spontaneous at all temperatures. D)This reaction will be nonspontaneous at all temperatures. E)It is not possible to determine without more information.
Which of the following species acts as a reducing agent during the following reaction? CH4(g)+O2(g)⟶CO2(g)+H2O(l) Options: (a) CH4 (b) O2 (c) CO2 (d) H2O
Under what conditions will the following reaction be spontaneous? SO2(g) + Cl2(g) → SO2Cl2(g) The following information may be important: ΔHºf SO2(g) = -296.8 kJ/mol, ΔHºf SO2Cl2(g) = 364.0 kJ/mol low temperatures high temperatures always spontaneous never spontaneous
For the reaction: 2 NO2 (g) à N2O4(g) DS0 = -175.5 J/K, DH0=-57.2 kJ (1) The DG0 is _______ kJ at 325 Celsius. (2) The reaction is ____ at 325 Celsius. A. for Spontaneous B. nonspontaneous (3) Would this reaction be spontaneous at___? A. all temperatures B. low temperature C. high temp D. never (4) Based on your answer of DG0 obtained above, solve for DG if [NO2] = 8.50 atm and [N2O4] = 0.00100 atm. Please have three significant figures...