Question 4 1 pts Use the given average bond energies to calculate Arxn for the following...
Using the table of average bond energies below, the AH for the reaction is kJ. нн H-CEC-H(g) 2HI (g) I-CC-I(g) нн Bond: CECC-C H-1 C-IC-H D (kJ/mol): 839 348 299 240 413 -63 -160 +160 +63 -217 B. Are the following statements true or false? Consider the hypothetical molecule B A Drag the appropriate statements to their respective bins. Help Reset If resonance was important, the molecule would have identical A bond lengths. This molecule cannot exist true false
13. (12 pts) Using the following bond dissociation energies, estimate the enthalpy of the reaction for the reaction between acetylene and hydroiodic acid to generate 1,2-diiodoethane. нн H-CEC-H 2 H- Bond Bond Enthalpy (kJ/mol) Bond Bond Enthalpy (kJ/mol) 839 C-H 413 С-С сс 348 C-I 240 Н-1 299 7
17. A valid Lewis structure of a. SO2 b. CF. cannot be drawn without violating the octet rule? C. CO; d. Nr3 c. Bell, 18. (ACS question) What is the formal charge on N in this molecule? :0: N a. +1 b. +2 C. -1 d. 0 e. -2 19. (ACS question) How many equivalent resonance structures that follow the octet rule can be drawn for SeO;? a. three b. two c. one d. four e. This molecule has no...
Question 4 1 pts Use the given average bond energies to calculate AHrxn for the following chemical reaction. Н н 20 c= o 3 0 O + зн—о—Н C Н Н Bond Bond energy (kJ/mol) C-O 360 C O 707 O O 498 464 Н-о C-H 414 +242 kJ O +914 kJ -914 kJ -242 kJ -2106 kJ
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
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
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...
Name: Quiz 9 CHE 1030 1. Using the following bond energies Bond Energy (kJ/mol) 839 413 495 799 467 Bond C-H O-0 C-O O-H estimate the heat of combustion for 1 mol of acetylene: C2H2(g)+ O2(g) → 2CO2(g)+H2O(g) 2. Using the following data reactions: H2(g) + Cl2(g) → 2HCl(g) H2(g) → 2H(g) Cl2(g) 2CIg) AP (kJ) -184 432 239 calculate the energy of an H-Cl bond.
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 =...
Use the bond energies given below to calculate the enthalpy change for the reaction, HCN(g) + 2 H2(g) → CH3NH2(g) Bond Bond Energy (kJ/mol) Bond Bond Energy (kJ/mol) H-H 432 C-H 413 C-N 305 C=N 615 C:N 891 N-H 391