For the reaction 2C4H10 (g) + 1302 (g) 8CO2 (g) + 10H20 (8) AHºis - 125...
For the reaction 2C4H10 (g) + 1302 (8) — 8CO2 (g) + 10H20 (g) AH° is -125 kJ/mol and AS is -253 J/K mol. This reaction is spontaneous at all temperatures spontaneous only at high temperature © spontaneous only at low temperature nonspontaneous at all temperatures None of the above
For the reaction: 2C4H10(g)+13O2(g)-->8CO2(g)+10H20(g) delta H is -125kJ/mol and delta S is 253 J/K*mol. This reaction is_. a) spontaneous at all temperatures b) spontaneous only at high temperatures c) spontaneous only at low temperatures *I know the answer is A, but I need a detailed explanation as to why that is the correct answer.
Given the following reaction: 4C2H5Cl2 + 1302 +8CO2 + 10H20 + 4Cl2 AH = -2190 kJ What is the heat change in kJ if 62.2 g of Cl2 is produced? 35.64 kJ -480.17 kJ 140.64 kJ 480.20 kj ---340.54 kJ
14. (4 pts.) Butane (C4H10) reacts with oxygen (O2) according to the reaction: 2C4H10(g)+1302 (g) 8CO2(g) +10H20 (l) A 4.00 L container is filled with 0.750 atm butane (C4H10). What pressure of O2 must be added to the container to react with butane? a. 137 pts anictdo noitssdsgnimoho eiadW To What would be the total pressure of the container after the O2 has been added? b.
2C4H10 + 1302 → 8C02 + 10H20 In the combustion reaction above, butane (C.H..) reacts with Oxygen to form Co, and H20. If 5.00 moles of CO, were produced during the reaction, how many molecules of butane would have consumed during this reaction? 3.01 x 10-24 • 6.022 x 10^23 8.00 7.53 x 10^23
Which of the following describes the temperature dependence of the spontaneity of the reaction below? 2H202(0) 2H2O()+02(g) ΔΗ--196kl mol-1, AS-126 J K-1 mol-i Select the correct answer below: 0 O O O nonspontaneous at all temperatures spontaneous at all temperatures spontaneous at high temperatures and nonspontaneous at low temperatures spontaneous at low temperatures and nonspontaneous at high temperatures
8. For the following reaction, CC2(s) + 2H2O(l) + Ca(OH)2(s) + C2H2(g) which is spontaneous at all temperatures, one would predict that a. AG is positive for all temperatures. d. AH is - and AS is for the reaction. b. AH is + and AS is for the reaction. e. AH is + and AS' is- for the reaction. c. AH is - and AS is for the reaction. 9. Calculate the standard absolute entropy, in J/mol K. of Mg:...
How does the spontaneity of the process below depend on temperature? PCI5(9)+H2O(g)POCI3(g) +2HCI(g) -126 kJ mol1, AS = 146 J K-'mol1 ΔΗ Select the correct answer below: nonspontaneous at all temperatures spontaneous at all temperatures spontaneous at high temperatures and nonspontaneous at low temperatures spontaneous at low temperatures and nonspontaneous at high temperatures
For the reaction 2NO(g) + O2(g) ® 2NO2(g), DH° = -113.1 kJ/mol and DS° = -145.3 J/K·mol. Under which temperature conditions would the reaction be spontaneous? _________. a. For all temperatures b. Only at high temperatures c. Only at low temperatures
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...