Using the table of average bond enthalpies, what is the ∆H for the following gas phase...
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Using the table of average bond enthalpies, what is the ∆H for the following gas phase reaction (in kJ/mol)?
Bond Ave. Bond Enthalpy (kJ/mol) C – C 348 C = C 614 C ≡ C 839 C – H 413 C – Br 276 H – Br 366 H – H 436 a - 304
b + 304
c - 2134
d - 57
e + 3292
Homework Answers
![Again . E (BE) product = (5x C-H bond enthalpy) + (1xc-c bond enthalpy) + (1x c-Br bond enthalpy) = [(5x 413) + 348 + 276] kJ](http://img.homeworklib.com/questions/f7531c00-78db-11ea-b1cd-af97d064bf79.png?x-oss-process=image/resize,w_560)
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Using the table of average bond enthalpies, what is the ∆H for
the following gas phase...
Part A. Find the average enthalpy of the PF bond in PF5(g) from the following standard...
Part A. Find the average enthalpy of the PF bond in PF5(g) from
the following standard molar enthalpies of formation (in kJ/mol):
PF5(g) (–1595), P(g) (315), F(g) (79).
Part B.
Using the bond energies from the table below estimate AH for the following reaction C2H2(g) + H2(g) → C2H4(g) Bond Bond energy [kJ/mol] [C-H 413 H-H 436 |C-C 348 C=C 614 csc 839
Using the table of bond energies below, the delta H for the reaction is? H2C =...
Using the table of bond energies below, the delta H for the reaction is? H2C = CH2 + H-Br -> H3C - CH2Br This is ethylene plus hydrogen going to ethyl bromide. Bond C-C C = C C - H H - Br C - Br D (kj/mol) 348 614 413 366 276 SHOW WORK
Use the bond enthalpy data given to estimate the enthalpy of reaction for the addition of...
Use the bond enthalpy data given to estimate the enthalpy of reaction for the addition of HBr to acetylene gas, C2H2 to form C2H4Br2 (with the condensed structural formula Br-CH2-CH2-Br ) at 25°C. BE(C-C) = 348 kJ/mol; BE(CC triple bond) = 839 kJ/mol; BE(C-H) = 413 kJ/mol; BE(H-Br) = 366 kJ/mol; BE(C-Br) = 276 kJ/mol -581 kJ/mol -4949 kJ/mol +155 kJ/mol -887 kJ/mol +887 kJ/mol
Problem 5.83 Use bond enthalpies in the table below to estimate ?H for each of the...
Problem 5.83
Use bond enthalpies in the table below to estimate ?H
for each of the following reactions.
Problem 5.83 Part A Use bond enthalpies in the table below to estimate ? 1 for each of the following reactions H-H(g) + Br-Br(g) ? 2H-Br(g) Express your answer in kilojoules to 3 significant figures Average Bond Enthalpies (kJ/mol) 103 kJ C-H 413 N-H 391 O-H 463 F-F 155 C-C 348 N-N 163 O-O 146 C-C 614 N-O 201 O O 495...
Use bond enthalpies (in kJ/mol): C-C 348 C=C 614 C≡C 839 H-H 436 C-H 413 O-H...
Use bond enthalpies (in kJ/mol): C-C 348 C=C 614 C≡C 839 H-H 436 C-H 413 O-H 463 C-O 358 C=O 799 to estimate ΔH for the reaction H2C=CH–CH2–OH (g) = > HC≡C–CH=O(g) + 2 H2(g)
Using the bond energies from the table below estimate ∆H for the following reaction C2H2(g) +...
Using the bond energies from the table below estimate ∆H for the following reaction C2H2(g) + H2(g) → C2H4(g) C-H (413), H-H (436), C-C (348), C=C (614), C≡C (839) A) +165 kJ/mol B) -390. kJ/mol C) +390. kJ/mol D) –124 kJ/mol E) –165 kJ/mol
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...
Using average bond enthalpies (linked above), estimate the enthalpy change for the following reaction: 2CO(g) +...
Using average bond enthalpies (linked above), estimate the enthalpy change for the following reaction: 2CO(g) + 2NO(g)2CO2(g) + N2(g) kJ Bond Bond Energy (kJ/mol) C=C 602 H-H 436 C-H 413 C-C 346 Using average bond enthalpies (linked above), estimate the enthalpy change for the following reaction: I2(g) + Cl2(g)2ICl(g) kJ Using the values of bond energy from the table above, estimate the enthalpy change for the following reaction: C2H4(g) + H2(g) C2H6(g) kJ
Using bond enthalpies given in the following table, determine the change in enthalpy (H) for the...
Using bond enthalpies given in the following table, determine
the change in enthalpy (H) for the decomposition of 2 moles of
ammonia in the gas phase to its constituent elements. Show your
work. 2NH3(g)-->N2(g)+3H2(g)
Question 16 (4 points) Using bond enthalpies given in the following table, determine the change in enthalpy (H) for the decomposition of 2 moles of ammonia in the gas phase to its constituent elements. Show your work. 2 NH3(g) >N2(g) + 3 H2(g) Bond Bond enthalpy...
Constants Periodic Table Consider the reaction: H2(g) +12(s) + 2HI(g) Average Bond Enthalpies (kJ/mol) Part A...
Constants Periodic Table Consider the reaction: H2(g) +12(s) + 2HI(g) Average Bond Enthalpies (kJ/mol) Part A Use the bond enthalpies in the table to estimate AH for this reaction, ignoring the fact that iodine is in the solid state. Express your answer in kilojoules to two significant figures. IVO AQ R o 21 ? C-H 413 N-H 391 0-H 463 F-F 155 C-C 348 N-N 163 0-0 146 C=C 614 N-O 201 0=0 495 Cl-F 253 C-N 293 N-F 272...
Part A. Find the average enthalpy of the PF bond in PF5(g) from
the following standard molar enthalpies of formation (in kJ/mol):
PF5(g) (–1595), P(g) (315), F(g) (79).
Part B.
Using the bond energies from the table below estimate AH for the following reaction C2H2(g) + H2(g) → C2H4(g) Bond Bond energy [kJ/mol] [C-H 413 H-H 436 |C-C 348 C=C 614 csc 839
Problem 5.83
Use bond enthalpies in the table below to estimate ?H
for each of the following reactions.
Problem 5.83 Part A Use bond enthalpies in the table below to estimate ? 1 for each of the following reactions H-H(g) + Br-Br(g) ? 2H-Br(g) Express your answer in kilojoules to 3 significant figures Average Bond Enthalpies (kJ/mol) 103 kJ C-H 413 N-H 391 O-H 463 F-F 155 C-C 348 N-N 163 O-O 146 C-C 614 N-O 201 O O 495...
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...
Using bond enthalpies given in the following table, determine
the change in enthalpy (H) for the decomposition of 2 moles of
ammonia in the gas phase to its constituent elements. Show your
work. 2NH3(g)-->N2(g)+3H2(g)
Question 16 (4 points) Using bond enthalpies given in the following table, determine the change in enthalpy (H) for the decomposition of 2 moles of ammonia in the gas phase to its constituent elements. Show your work. 2 NH3(g) >N2(g) + 3 H2(g) Bond Bond enthalpy...
Constants Periodic Table Consider the reaction: H2(g) +12(s) + 2HI(g) Average Bond Enthalpies (kJ/mol) Part A Use the bond enthalpies in the table to estimate AH for this reaction, ignoring the fact that iodine is in the solid state. Express your answer in kilojoules to two significant figures. IVO AQ R o 21 ? C-H 413 N-H 391 0-H 463 F-F 155 C-C 348 N-N 163 0-0 146 C=C 614 N-O 201 0=0 495 Cl-F 253 C-N 293 N-F 272...
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