On reactant side we have:
12 C-H bond
2 C-C bond
7 O=O bond
On product side we have:
8 C=O bond
12 O-H bond
Use:
Delta H = BE(reactant) - BE(product)
= 12*BE(C-H) + 2*BE(C-C) + 7*BE(O=O) - 8*BE(C=O) - 12*BE(O-H)
= 12*416 + 2*356 + 7*498 - 8*803 - 12*467
= -2838 KJ
Answer: -2838 KJ
QUESTION 2 Calculate the heat of reaction (energy of reaction) in kJ/mol for the following reaction. Mind the correct s...
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
c.) Using the table and your complete Lewis structures of glucose, ethanol and carbon dioxide, calculate the total energy in kJ/mol required to break the bonds in one mole of each of the three compounds. Show all calculations and appropriate units. Then determine if the reaction is exothermic or endothermic. reaction: C6H1206 -> 2 C2H5OH + 2 CO2 Table 4.4 Covalent Bond Energies (in kJ/mol) H C N O S F CI Br Single Bonds H 436 O ZOI 416...
8.66 ) Question 4 (1 point) Using bond energies, calculate the heat of combustion of ethylene, C2H4 Bond Energies (kJ/mol) c=é + 30=3 -20=c=8 +2** C=C 598 H- C-H C 416 356 O=0 C=0 498 803 0726 kJ O-1452 kJ -726 kJ 1452 kJ O 0 (no energy change) Question 5 (1 point) Hi $ 9
8. Calculate AH°, AE°, and w for the following reaction using the data in Table 2 in Study Sheet No. 34 ( in kJ): нн H-C-C-H нн H н H2(g) нH Н(8) (g) 220 304 248 256 +9.67 -296.9 -395.2 +98.3 -300.4 -370.4 16 TABLE 2 Average Bond Energy (kJ/mol) С -Н C-O C-O C-C N=N O=O 413 C=C HOS 615 C N С-F С-СI Н-О 891 C C С-N 351 812 439 292 615- 436 329 803 356 C-N...
Calculate the AH for the reaction below. CyHag) +30218) + CO2(g) + 2 H2O(1) The following are skeletal structures - lone pairs are not included H2 - CH2 + 3 0-020-C-O + 2H-O-H You can use the bond energy table below. Bond C-C C=C Cc H-C H-O 0-0 0-0 C=0 C=O (in CO,) Energy (kJ/mol 356 598 813 416 467 146 498 695 799 Show your work and submit a picture.
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
________kJ Use bond energies to calculate the heat of reaction: Bond Enthalpy kJ/mol C-N 305 C-O 358 C=O 745 C=O (in CO2) 799 O-H 467 N-H 391
The enthalpy change for the following reaction is 95.4 kJ. Using bond energies, estimate the N-H bond energy in N2H4(g). N2(g) + 2H2(g) N2H4(g) kJ/mol The enthalpy change for the following reaction is -92.2 kJ. Using bond energies, estimate the H-H bond energy in H2(g). 2NH3(g) N2(g) + 3H2(g) kJ/mol D Single Bonds Multiple Bonds C N O F Si P S a Br 1 H 436 413 391 463 565 318 322 347 C 413 346 305 358 485...
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...
7.5 lonic Bonding and Lattice Energy 1. Organize the following in terms of increasing magnitude of lattice energy: KСI Mgs NaF Mgo SrSe 7.5 Bond Energies 2. a. Choose the covalent bond below that is the strongest (largest bond energy) b. Choose the covalent bond below that is the longest. a. N-O d. N-N e. N-C b. N-O c. N-N 3. a) Given the following bond energies, estimate the AH of the reaction: 2 NH3 (g)N2 (g) + 3 Hz...