Bond N-N O=0 Bond Energy 941 kJ mol-' 499 kJ mol-' The heat of formation of...
Table 9.3: Average Bond Energies Bond Energy (kj/mol) Bonic Energy Il/mol) Bond Energy (kJ/mol) Bond Hond H-H 438 N- N 103 NON 418 210 GHz + 50; Propane Oxygen gas 300, + 4H20 Carbon Water dioxide Bond BF Br-CI BB I- 1-Br 484 N-O 200 368 9:46 222 590 272 200 545 NAF NCI N- Br 151 323 431 364 Do your calculations here: 297 159 301 347 142 206 611 0-0 0-0 498 308 623 190 SO OF 0-...
Calculate overall energy changes in kilojoules per mole for the formation of SrCl from the elements. The following data are needed: Eea for Cl = −348.6 kJ/mol Ei1 for Sr = +549.5 kJ/mol Ei2 for Sr = +1064 kJ/mol Heat of sublimation for Sr = +164.4 kJ/mol Bond dissociation energy for Cl2 = +243 kJ/mol Lattice energy for SrCl2 = +2142 kJ/mol Lattice energy (estimated) for SrCl = +685 kJ/mol
Calculate the net change in energy in kJ that takes place on formation of 50.44 moles of MgF2(s) from Mg(s) + F2(g) → MgF2(s) given the following information: Heat of sublimation for Mg(s) = 147.7 kJ/mol Bond dissociation energy for F2(g) = 158 kJ/mol Electrostatic interactions in MgF2(s) = -2957 kJ/mol Eea for F(g) = -328 kJ/mol Ei1 for Mg(g) = 737.7 kJ/mol Ei2 for Mg(g) = 1450.7 kJ/mol
1. Bond Dissociation Energies and Free Radicals Bond Bond Dissociation Energies (kJ/mol) Bond BDE Bond BDE (kJ/mol) (kJ/mol) H-H 436 CH3-H 439 H-F 570 CH3CH2-H 432 H-CI 432 (CH3CH2 413 BDE Bond (kJ/mol) 10-N 350 0-0 180 F-F O-H 0-C O-F 460 BDE (kJ/mol) | 200 180 159 | H-Br H-I 366 298 404 350 O-C1200 O-Br (CH3)3C-H C-C (sigma) C=C(pi) 210 C1-C1243 Br-Br 193 243 0 -I 220 I-I | 151 A. The enzyme methane monooxygenase catalyzes a remarkably...
7) Use the bond energies (kJ/mol) to calculate the heat of reaction: C-O 799 N-H: 391 C-N 3050-H: 467 O=C=0 + 2NH 8) Acetic acid is produced in the reaction between methanol and carbon monoxide: H-C-0-H + C=O- Use bond energies (kJ/mol) to calculate the enthalpy of reaction. C-O: 358 C-H: 413 0-H: 467CEO: 1070 C-C: 347 C=0: 745C-O: 358
QUESTION 1 Calculate the heat of reaction (energy of reaction) in kJ/mol for the following reaction. Mind the correct sign of your answer value! 2 CO(g) + O2(g) →→2C02(g) Use the following bond energies for your calculation. Bond energies (kJ/mol) Bond Energy Bond Energy H-H 436 (-O 336 C-H 416 C=C 598 N–H 391 050 498 0-H 467 (=O 803 c-c 356 N=N 946 146 CEO 1073 LO
Calculate the net energy change in kilojoules per mole for the formation of KF(s) from the elements: K(s) + 1/2 F2(g) \rightarrow→KF(s). The following information is given: Heat of sublimation for K(s) = 89.2 kJ/mol, Eea for F(g) = –328 kJ/mol Bond dissociation energy for F2(g) = 158 kJ/mol, Ei for K(g) = 418.8 kJ/mol Electrostatic interactions in KF(s) = –821 kJ/mol
QUESTION 2 Calculate the heat of reaction (energy of reaction) in kJ/mol for the following reaction. Mind the correct sign of your answer value! 2C2H6(g) + 702(g) —+ 4CO2(g) + 6H2O(g) Use the following bond energies for your calculation. UŻ OU Bond energies (kJ/mol) Bond Energy Bond Energy H-H 436 (-O 336 (-H 416 C=C 598 N-H 391 O=0 498 467 C=0 803 c-c 356 N=N 946 0-0 146 CEO 1073
Calculate the net energy change in kilojoules per mole that takes place on formation of BeF2(s) from the elements: Be(s)+F2(g)⟶BeF2(s) The following information is needed: Heat of sublimation for Be(s)= 325.8 kJ/mol Eea for F(g)= −328 kJ/mol Bond dissociation energy for F2(g)= 158 kJ/mol Ei1 for Be(g)= 899.5 kJ/mol Electrostatic interactions in BeF2(s)= −3505 kJ/mol Ei2 for Be(g)= 1757.1 kJ/mol
Bond Energies and Heat of Reaction Use the given bond energy values to estimate AH for the following gas-phase reaction. HC= CH - CH + HN HCC HC— CH HC=CH NỮ NH. + HC cỮch Cáo + HẠO HC- CH NH2 HON (Simple energy units required for the answer.) -454 kJ D-values in kJ/mol DH-H = 432 DH-Br = 363 DH-C = 413 DH-N = 391 DH-O = 467 Dc-c = 347 DC-C = 614 DCEC = 839 DC-N =...