Single Bonds Multiple Bonds H-H 432 N-H 391 149 c=C 614 H-F 565 N-N 160 |-CI 208 C=C 839 H-CI 175 495 745 1072 607 427 363 N-F 272 -Br 0-0 H-Br N-CI 200 C-0* H-I 295 N-Br 243 S-H 347 C=0 N-O 201 S-F 327 N-0 S-CI S-Br 253 218 C-H 413 O-H 467 N=N 418 347 305 358 C-C 0-0 146 N=N 941 C-N O-F 190 S-S 266 C=N 891 615 0-CI 203 c=N 3. Given the table of bond dissociation energies above (in kJ/mol), estimate the energy change for the following reaction. + 2 F2 → 4 HF + N2

Single Bonds Multiple Bonds H-H 432 N-H 391 149 c=C 614 H-F 565 N-N 160 |-CI 208 C=C 839 H-CI 175 495 745 1072 607 427 363 N-F 272 -Br 0-0 H-Br N-CI 200 C-0* H-I 295 N-Br 243 S-H 347 C=0 N-O 201 S-F 327 N-0 S-CI S-Br 253 218 C-H 413 O-H 467 N=N 418 347 305 358 C-C 0-0 146 N=N 941 C-N O-F 190 S-S 266 C=N 891 615 0-CI 203 c=N 3. Given the table of bond dissociation energies above (in kJ/mol), estimate the energy change for the following reaction. + 2 F2 → 4 HF + N2

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter2: Lewis Structures

Section: Chapter Questions

Problem 20CTQ

See similar textbooks

Similar questions

Calculate the heat of reaction AH for the following reaction: H₂(g) + Cl₂(g) 2 HCl(g) You can find a table of bond energies by using the Data button on the ALEKS toolbar. Round your answer to the nearest kJ/mol. kJ mol al Data [-] Bond energies bond H-H H-F H-CI H-Br H-I H-C H-O H-N H-P H-S bond C-H energy (kJ/mol) 436 570 431 366 298 413 497 391 351 381 energy (kJ/mol) 413 bond O-H O-F O-CI O-Br O-I O-C O=C O=C 0-0 0=0 O-N O=N O=S bond N-H energy (kJ/mol) 497 215 234 210 213 385 532 1077 210 498 206 631 551 energy (kJ/mol) 391 bond F-F F-CI F-Br F-I CI-CI Cl-Br CI-I Br-Br Br-I I-I bond S-H energy (kJ/mol) 159 261 280 272 243 219 211 194 179 152 energy (kJ/mol) 381
(4e-201) Consider the molecule below. How many total sigma bonds does the compound have? How many total pi bonds? C. H. H. リニ H. C .C. H. Hi
Lewis Structure :N=C-C=N: X4 H-O-N- :0: HH H H-C=C-N=NC=C-H CC-NOH :Ö-H H HCC-CC-CC-C=N: H HHH H 0-C-C-C-C-Ö: I H Total # of Sigma Bonds Total # of Pi Bonds
Molecule or Polyatomic CHzCl 2- Co₂² CH4 CS₂ H₂O Lewis structure H-C-CI: H H H-C-H H s=c=s H–O–H 2- Hybrid- ization AXE 3 sp³ AX4 2 sp² AX3 3 sp³ AX4 sp AX2 3 sp³ AX₂E2 Electron pair geometry Molecular shape tetrahedral tetrahedral trigonal planar trigonal planar tetrahedral tetrahedral linear linear tetrahedral bent Bond angles all ~109.5° all 120° all ~109.5° 180° ~109.5° Bond Polarity H C 2.5 2.1 Cl 2.5 3.0 CO 2.5 3.5 C-H 2.5 2.1 Molecular Polarity if the molecule is polar, add a dipole arrow if not polar, state so and why H H H i no molecular polarity because of shape CI H H HC H no polar bonds, so no molecular polarity H S=C=S H
Lewis structure name of highlighted group H – C= O Н — С — Н н — N — н H Н — С — Н O =C - N H H н н н —N C C= - H :0: :0 : : Z - I - :0:
9) Calculate the bond energy of the following reaction (don't forget to balance the equation first): CH3CH₂CH₂CH₂OH + O2 → CO₂ + H₂O H H H-C-C C -C-H H H H :0: H H H +0=0 → 0=C=O + H-O-H
4. Which two of the following structures represent correct Lewis structures of a compound with molecular formula C2H;N? H H H ннн H H H H :N-H H H H-C-N-C-H н-с-N-с-н C-C-N-H `c=N-c-H H-C-C-H H H H H H H H H H H H H нн 1 2 3 4 5 3 and 5 O 2 and 4 1 and 4 O 1 and 3
Which of the following Lewis structures will have resonance form H | H-C | H O-H :0: H-CN: H C H || :0: 0=5=0
Compound Electron pair geometry Molecular geometry :0=S=0: tetrahedral bent linear trigonal planar trigonal pyramidal tetrahedral bent trigonal pyramidal -Be-i: trigonal planar linear :F: H H-C-H
PC13(g) + Cl₂(g) →→ PC15(1) Bond CI-CI P-CI O-662 kJ mol-1 O-67 kJ mol 1 O-905 kJ mol-1 O-243 kJ mol1 O-419 kJ mol1 1) Use the bond energies to estimate AHan for the reaction below. AH = ? Bond Energy (kJ mol-¹) 243 331
The bond dissociation energy, in kJ, to break 3 bond(s) in 1 mole of CH4 molecules is Single H Bond 432 411 386 459 O NO I H с Multiple Bonds C=C C=C CN **All values in kJ/mol** 346 305 167 358 201 C=N 615 0=0 C=N 887 N=N O 142 602 C=O 799 835 C=O 1072. 494 942
Given below is a Lewis structure skeleton of a molecule. Rank the C-N bonds, A, B, C, in terms of decreasing bond strength. H H3C А. H N-C-N H;C С—с—с-N H H H Blank 1> Blank 2 > Blank 3 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer 8.