Which of the following processes is exothermic, given the following: N2(g) +2 02(g) --> N2O4(1) Дн°...
1. Which of the following processes is exothermic, given the following: N2(g) + 2 O2(g) + N2O4(1) AH = 9.67 kJ/mol N2(g) + 2 O2(g) + 2 NO2(g) AH = 67.70 kJ/mol A) 2 N2(g) + 4 O2(g) + 2 N204(1) B) 12 N2(g) + O2(g) → % N204(1) C) N2O4(1) + N2(g) + 2 O2(g) D) 2 N2(g) + 4 O2(g) + 2 NO2(g) + N204(1) E) 2 N2(g) + 4 O2(g) → 4NO2(g)
2NO(g) ---> N2(g) + O2(8) AH =-180.6 kJ N2(g) +02(g) +C17(9) ---> 2NOC19) AH = +103.4 kJ Find the AH of the following reaction: 2NOCI(9) --->2NO(g) +CH (2)
Given the following data: () Cu (s) O2 (g)CuO (s) () N2 (g) + 02 (g)NO2 (g) H'--157 kJ AHo+33 kJ calculate AH for the reaction below using Hess' Law. 4 Cu (s) 2 NO2 (g)4 CuO (s) N2 (g)
Given the following data at a certain temperature 2N2(g) + O2(g) ? 2N2O(g) N2O4(g) ? 2 NO2(g) 1?2 N2(g) + O2(g) ? NO2(g) Kc=1.2x10-35 ; Kc = 4.6 x 10-3 ; Kc = 4.1 x 10-9 Calculate Kc for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give dinitrogen tetroxide gas.
15. Consider the reaction 2 NO2(g) N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3 kJ/mol, calculate G° at 298 K. kJ (b) Calculate G at 298 K if the partial pressures of NO2 and N2O4 are 0.35 atm and 1.60 atm, respectively. kJ 16. Consider the reaction given below. H2(g) + F2(g) 2 HF(g) (a) Using thermodynamic data from the course website, calculate G° at 298 K. kJ (b) Calculate G at 298 K...
Consider the following data. N2(9) + 2 02(g) → 2 NO2(9) AH = 68.0 kJ N2(9) + 2 02(9) ► N204(9) AH = 10.0 kj Calculate AH for the dimerization of NO as shown below. 2 NO2(9) ► N204(9) k] Need Help? Read It
Find ΔrG for reaction (in kJ mol-1) at 298 K? 2 NO2 (g) ⇌ N2O4 (g) Given Conditions: Pressure: NO2 = 1.25 bar Pressure: N2O4 = 0.65 bar N2O4(g) --
13. Given the data N,(g) + 0.9-2N0(g) 2N0(g) + O2(g) → 2NO2(g) 2N20(g)-> 2 N2(g) + O2(g) M,-+190.4 kJ/mol AH-=-129.3 kJ/mol A, =-58.7 kJ/mol For the "mol" of the units above, it means that the reaction coefficients are counted iin numbers of moles. Use Hess's law to calculate AH in kJ/mol for the reaction N20(g) + N2 (g) + 20, → 3N0(g) + NO2(g) 14. Compare the following two unbalanced violent chemical reactions that could be used in rocket engines:...
#1 #2 #3 Classify each of the following processes as exothermic or endothermic. 1. The dissolution of NaOH in water causes the water to become warm. 2.When an instant ice pack is activated, it becomes cold to the touch. 3.In the combustion of propane, a bright flame is produced 4.2H2(g) + O2(g) → 2H2O(g) + 483 kJ/mol How much energy is required to produce 4.67 g. C6H1206(s)? (The molar mass of C6H1206 is 180.16 g/mol.) |6C02(g) + 6H2O(g) + 2801...
3.(15 pts) In each case, find the missing AH (kJ/mole) (a) If 2Al(s) + Fe2O3(s) - > Al2O3(s) + 2 Fe(s) AH -851.5kJ/mol then 1/8 Al2O3(s) + 1/4 Fe(s) ---> 1/4 Al(s) + 1/8 Fe2O3(s) AHan = ? (b) If Cao(s) + 3 C(s) --> CaC(s) + CO(g) AH -464.8 kJ/mol then 6 CaO(s) + 18 C(s) -> 6 CaC2(s) +6 CO(g) AH = ? (c) If N2(g) + 2 02(g) ---> N2O(g) and 2 NO2(g) ---> N2(g) + 2...