Question

Worksheet 8- Rev 10 Exercise B-Using Hess Law to determine the enthalpy of a reaction. Using the table below, calculate the
0 0
Add a comment Improve this question Transcribed image text
Answer #1

WA ② Na + 2 Bra Nz Bry NEN + 2 B3-BY NA RY Altran =-AHO N-N +444-B1) +[AH.NEN *2A =4160 +4*243) +[941 + 2 x 193] = +195kJ +2A

Add a comment
Know the answer?
Add Answer to:
Worksheet 8- Rev 10 Exercise B-Using Hess' Law to determine the enthalpy of a reaction. Using...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Using the standard enthalpy of formation data, show how the standard enthalpy of formation of HF(g)...

    Using the standard enthalpy of formation data, show how the standard enthalpy of formation of HF(g) can be used to determine the bond energy. (Enter unrounded values.) (a) bond energy calculated from standard enthalpy of formation kJ/mol (b) average bond enthalpy from the bond enthalpy table k]/mol Average Bond Enthalpies bondAH bond (kJ/mol) bond AHbond (kJ/mol) bond AH bond (kJ/mol) bond AH bond (kJ/mol) O-H 0-0 467 146 495 185 203 156 364 522 335 544 413 347 614 839...

  • Use the bond enthalpies in the table below to determine the enthalpy of reaction in the...

    Use the bond enthalpies in the table below to determine the enthalpy of reaction in the following questions: Average Bond-Enthalpies- (kJ/mol) Single Bonds -H 41 3 348 293 358 485 N- 391 -H 463 -O 146 F-F 155 N-N 163 N-O 201 272 N-CI 200 N-Br 243 CI-P 253 N-I CI-CI 242 O-CI 203 -I 234 C-C Br-p 237 B-CI 218 Br-Br 193 339 327 S-Cl 253 S-Br 218 S-H 240 259 -X-H 436 567 431 366 299 208 175...

  • Using the bond enthalpies in the Average Bond Enthalpies table, determine the approximate enthalpy (in kJ)...

    Using the bond enthalpies in the Average Bond Enthalpies table, determine the approximate enthalpy (in kJ) for each of the following reactions. (Assume the average bond enthalpy of the Cl–F bond is 254 kJ/mol.) (a) Cl2(g) + 3 F2(g) → 2 ClF3(g) (b) H2C=CH2(g) + H2(g) → H3CCH3(g) (c) 2 CH3(C=O)H(g) + 5 O2(g) → 4 CO2(g) + 4 H2O(g) ITITIT Average Bond Enthalpies AH bond (kJ/mol) bond AHond (kJ/mol) bond AH bond (kJ/mol) bond bond AH bond (kJ/mol) С-Н...

  • Calculate the bond energy for the formation of boron trifluoride. Br-Br + 3 F- F -...

    Calculate the bond energy for the formation of boron trifluoride. Br-Br + 3 F- F - 2 Br- F F-F 155 0-H 0-0 O-F 0-CI O-I 463 146 190 203 234 Cl-F 253 Cl-C1 242 Br-F 237 Br-Cl 218 Br-Br 193 Average Bond Enthalpies (kJ/mol) Single Bonds C-H 413 N-H 391 C-C 348 N-N 163 C-N 293 N-0 201 C-0 358 N-F 272 C-F 485 N-CI 200 C-C1328 N-Br 243 C-Br 276 C-1 240 H-H 436 C-S 259 H-F 567...

  • + H-0-0-H Η Η H-0-C-C-0-H Η Η Τ (b) Η - " CEC H + H-CENT}...

    + H-0-0-H Η Η H-0-C-C-0-H Η Η Τ (b) Η - " CEC H + H-CENT} των H-C-C-C=N Exercises 333 (c) 201-N- C ot N =N + 3C1-C1 w ese 8.70 Using Table 8.3. estimate AH for the falla 8.69 Using Table 8.3, estimate AH for each of the following gas-phase reactions (note that lone pairs on atoms are not shown): 8.69 Using Table 8.3, estimate AH for each of the following gas-phase reactions (note that lone pairs on atoms...

  • < Chapter 8 HW Problem 8.70 - Enhanced - with Feedback < 12 of 15 >...

    < Chapter 8 HW Problem 8.70 - Enhanced - with Feedback < 12 of 15 > Using bond enthalpies in the table, estimate Al for the following gas-phase reactions. un Review | Constants Periodic Table Part A Estimate AH for the reaction. Br-c-H+CI-C1B -C-CI+H-CI 463 146 190 203 234 Express your answer using three significant figures. IVO AL O 2 ? Average Bond Enthalpies (kJ/mol) Single Bonds C-H 413 N-H 391 0-H C-C 348 N-N 163 0-0 C-N 293 N-...

  • .The enthalpy change for the following reaction is -137 kJ. The enthalpy change for the following...

    .The enthalpy change for the following reaction is -137 kJ. The enthalpy change for the following reaction is -137 kJ. C2H4(g) + H2(g) -> C2H6(g) To analyze the reaction, first draw Lewis structures for all reactant and product molecules. Estimate the C-C bond energy in C2H6(g) , using tabulated bond energies (linked above) for the remaining bonds H C N O F Si P S Cl Br I H 436 413 391 463 565 318 322 347 432 366 299...

  • Using Table 9.4, calculate an approximate enthalpy (in kJ) for the reaction of 1.10 g gaseous...

    Using Table 9.4, calculate an approximate enthalpy (in kJ) for the reaction of 1.10 g gaseous methanol (CH3OH) in excess molecular oxygen to form gaseous carbon dioxide and gaseous water. (Hint, remember to first write the balanced equation.) TABLE 9.4 Bond Energies (kJ/mol)* Single Bonds C-H 414 C-C 348 C-N 293 C-O 351 C-F 439 C-CI 328 C-Br 276 C-1 238 C-S 259 N-H 889O H 463 FF 159 N-N 163OO 146 C F 253 N-O 201O-F 190 CCI 242...

  • please answer these two questions with detailed answers. thank you! elu Table 8.3, estimate AH for...

    please answer these two questions with detailed answers. thank you! elu Table 8.3, estimate AH for each of the following hase reactions (note that lone pairs on atoms are not 8.69 Using Table 8.3. e gas-phase reactions (no shown): H (a) H H C=C + H-0-0-H - Η Η Η Η D H-0-C-C-0-H mo molt bottobre nosotros t oolubglomano (b) H H orario C=C + H-CEN by H ºH movitontalo molto H H re. como noso 4-C-C-CEN H H (c)...

  • Bond Energies and Heat of Reaction Use the given bond energy values to estimate AH for...

    Bond Energies and Heat of Reaction Use the given bond energy values to estimate AH for the following gas-phase reaction. H2N + HN_NH, + H2N— NH2 - * | - + HO Học HAC CH H₃C CH₂ (Simple energy units required for the answer.) 142 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 Dec = 839 DC-N = 305 DC-N = 615 DCEN...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT