4. From the AH acerate. in question 3, calculate the J/g and J/mol of the solid...
Question 19 of 21 > Attempt 3 Indicate the direction of polarity of each of the covalent bonds by placing the appropriate delta notation next to each end of the bond. Answer Bank o C- 0 0— 1 0—F C—N C1— S- H S-C1
Indicate the direction of polarity of each of the covalent bonds by placing the appropriate delta notation next to each end of the bond. 0- 0 Answer Bank 0401 C- N S— H S- C1
Indicate the direction of polarity of each of the covalent bonds by placing the appropriate delta notation next to e the bond. Answer Bank B0—F B —No s-H DB s—C1 o -
Indicate the direction of polarity of each of the following covalent bonds by dragging the appropriate delta notation to each end of the bond. C-O O-CL O-F C-N CL-C S-H S-CL
11. Given the values for H (2.1) and Cl (3.0), calculate the electronegativity difference in a hydrogen chloride bond, HCl. 36) ______ A) -0.9 B) 0.9 C) 5.1 D) -5.1 E) none of the above 12 A sample of krypton gas at 75.0 psi expands from 0.100 L to 0.450 L. If the temperature remains constant, what is the final pressure in psi? 37) ______ A) 0.167 psi B) 16.7 psi C) 3.38 psi D) 75.0 psi E) 338 psi 13. Which of the following...
Estimate AH for the reaction. 201-N-—N=N + 3C1-C1 190 AED O a ? AH = - 1067 Submit Previous Answers Request Answer 146 190 Average Bond Enthalpies (kJ/mol) Single Bonds C-H 413 N- 391 0-H 463 C-C 348 N-N 163 0-0 C-N 293 N-0 2010-F C-0 358 N-F 272 0- 203 C-F 485 N-C 200 0-1 234 C-C 328 N-Br 243 C-Br 276 H-H 436 C-I 240 H-C 431 C-S 259 C1-C1 242 Multiple Bonds C=C 614 N=N 418 0=0...
24. Calculate the change in AH kJ mol enthalpy (in J per mole of NaHCO (5) -947.7 CO) for the decomposition Na.co.(s) -1130.9 of sodium hydrogen H.00) -241.8 carbonate from CO.() -393.5 the standard enthalpies of formation 2 NaHCO3(5) - Na.CO() + H2009) + COUP) (A) 129.2 (B) -818.5 (C) -1766.2 (D) -3661.6
Classify the following bonds as pure covalent, polar covalent or ionic. If polar covalent, indicate the polarity of the bond with 8- and 8+. The element with the lower electronegativity is labeled with a 8+. (A) H-CI (E) C-C (B) N-Br (F) S-0 (C) H-C (G) 1- Br (D) K-CI (H) S-B
1. Calculate the bond energy of the CI-F bond using the following data: Cl2(g) + F2(g) → 2CIF(g) AH = -108 kJ Bond enthalpies (kJ/mol): CI-CI (239); F-F (159) CI-C1 = 239 F.F : 159 1 2. Find the experimental Lattice energy of aluminum oxide using a Born-Haber cycle using the following information: AH® (aluminum oxide) = -1676 kJ/mol IE, (aluminum) = 577.6 kJ/mol IE, (aluminum) =1816.7 kJ/mol IE(aluminum) = 2744.8 kJ/mol AH® (aluminum atom, g) = 329.7 kJ/mol AHⓇEAI...
Problem #3 Calculate AH° for the following reaction using the bond energies found in Table 6.1 on page 228. Is this reaction spontaneous? (CH3)3C-H + 12 (CH3)3C-1 + HI TABLE 6.1 BOND DISSOCIATION ENERGIES (AH) OF COMMON BONDS KJ/MOL KCAL/MOL H2C=CH-CH3 HC-C-CH KJ/MOL KCAL/MOL 385 92 489117 KJ/MOL KCAL/MOL 444 106 335 80 285 Bonds to H. H-H H-CH3 H-CH2CH3 H-CH(CH3)2 H-C(CH3)3 (CH3)2CH-F (CH3)2CH-CI (CH3)2CH-Br (CH3)2CH- (CH3)2CH-OH 68 222 435 104 435 104 41098 39795 91 473 113 53 381...