The answer to this question is quite simple
For any spontaneous reaction delta g is negative
And now
Delta G = Delta H - T × Delta S
= 44 - (393.15× 0.119)
= 44- 46.18
= -2. 78
So both b and d statement are correct
Which means the right answer is
D. two of these
I hope this helps. If you have any query or want more detailed explanation, feel free to ask in the comments section below.
in 19 The following reaction takes place at 120°C-H 0(1) - H 0(g) Which of the...
AH = 44.0 kJ/mol AS = 0.119 kJ/mol K The following reaction takes place at 120°C: H20(1) - H2O(g) Which of the following must be true? Select one: O a. Two of these O b. The reaction is not spontaneous O c The reaction is spontaneous. O d. AG = 0 e. AGO
4. Which of the following is consistent with a spontaneous endothermic reaction? (A) AH> 0, AS <0, AG <0 (D) AH<0, AS > 0, AG>O (B) AH > 0, AS > 0, AG <0 (E) AH>0, AS <0, AG>0 (C) AH<0, AS <0, AG<0 5. For the reaction H, (g) +S (8) HS (g), AF- -20.2 kJ/mol and AS = +43.1 J/K mol. Which of these statements is true? (A) The reaction is only spontaneous at low temperatures. (B) The...
Consider the following reaction. CH,(8) + 30,(8) 200,(g) + 2 H2O(g) Compound C, H.() 0,(g) CO2(g) H2O(g) AH; (kJ/mol) 52.4 0 -393.5 -241.8 What is the AH of the reaction? -687.7 kJ/mol -1323.0 kJ/mol -1218.2 kJ/mol 1323.0 kJ/mol
Given these reactions, where X represents a generic metal or metalloid 1) H,(g) + 0,(g) – HO(g) AH = -241.8 kg 2) X(s) + 2 C1,(8) XCI(S) AH = +182.9 kJ 3) H,(8) + CI,(E) — HCI(8) AH; = -92.3 kJ 4) X(8) + 0,(8) — X0,() AHA = -756,5 kJ 5) H.O(g) - HO(1) AHS = -44.0 kJ what is the enthalpy, AH, for this reaction? XCI,(s) + 2 H,001) — XO,(s) + 4 HCl(g) AH =
Page 4 8. A check of the formulas of ethylene, water, that the reaction, C, H. (g) + HO(g) -> C215 to occur under the correct conditions. Mike G. says it's just a matter of t reactor temperature, and pressure. U below, what is the calculated value of AHO reaction? I ethylene, water, and ethanol suggests 9) + H2O(g) -> C2H5OH(1) could be made correct conditions. This is a wild idea, but just a matter of the right catalyst combination,...
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are relevant: AHF N205 11.289 kJ/mol 355.28 J/K mol NO2 33.150 kJ/mol 239.90 J/K mol 02 0kJ/mol 204.80 J/K mol a. Predict the sign of AS for the reaction and explain your reasoning. b. Calculate AS" for the reaction. c. Calculate AH for the reaction. d. Calculate AG for the reaction at 25°C. e. Will the reaction be spontaneous at no temperature, low temperatures only,...
5. Calculate the enthalpy of formation of carbon dioxide in the following reaction: C(s) + O2(g) - CO. (g) 213 Use the following equations: 2) H.O (0) -- H() .O() AH: 285.8 kJ/mol b) CH. (g) -- 2C). 3H2(g) AH: +84.7 kJ/mol c) 200,(e) +3H.0 (6-- C.H. (B). (7/2)0,() AH - 1560.7 kJ/mol
5. Methanol gas combustion is represented with the following reaction 2 H3C-O-H(g) + 3 0=0(g) 20=C=O(g) + 4H-O-H(g) Calculate the AH x using the average bond dissociation energies from the table below, for 1 mole of methanol. Bond Energy kJ/mol Bond Energy kJ/mol Bond Energy kJ/mol Bond Bond 436 347 414 611 389 Bond C-C Сс Cc C-N CEN C-o H-H HC H- N H-O HS HF H-C1 HBr H- 837 305 615 891 8 565 163 418 946 222...
mm 11/18/19 su 82% Calculate the Sºn of the following reaction at 217°C and standard pressure. 3rd attempt Feedback See Periodic CH,(g) +302(8) 2002 (8) +24,0 (8) AH", kJ/mol 52.3 0 S", J/mol K 219.5 AG®, kJ/mol 68.1 205.0 0 C2H4(g) O2(8) CO2(g) H2O(g) -393.5 213.6 -394.4 -241.8 188.7 - 228.6 J/mol K 28 OF 29 QUESTIONS COMPLETED < 1729 > + VIEW SOLUTION
Answer all please! Which of the following has a AH-0kJ/mol? A) NO(g) C) Fe (aq) D) H20( E) N (R) 23. Find the standard enthalpy of formation of ethy lene, Call4(g), given the following data: beat of combustion of CaH(g)--1411 J/mol, AHCO )-393.3 Jmol AH TH OD)]-285.8 kJ/mol. A) 52 kJ/mo B) 87 kJ/mol C) 731 kJ/mol D) 1.41 x 103 kUmol E) 2.77 x 10 kJ/mol 24. During volcanic eruptions, hydrogen sulfide gas is given off and oxidized by...