Which covalent bonds would need to be broken for these reactions to occur? A B H-X (covalent bond between hydrogen and the halide F, Cl, Br, or I) H - O (covalent bond between hydrogen and the oxygen)
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- enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator%3Dassignment-take [References] Acetic acia is responsibie for the sour taste or vihegar. it can be manuracturea using the following reaction: |3| 2 CH3C-OH(g) 2 CH3C-H(g) + O2(g) Use tabulated values of bond energies from the table below to estimate AH for this reaction. Average Bond Energies Single Bonds Bond Bond Energy (kJ/mol) C-C 347 C-H 413 C-O 358 0-H 467 Multiple Bonds Bond Bond Energy (kJ/mol) C=0 1072 C=0 745 O=0 to 495 kJ %3DYou will not find “hydroxide” in the stockroom, but you will find sodium hydroxide (NaOH) andpotassium hydroxide (KOH). Lithium hydroxide (LiOH) is expensive and used in spacecraft airfilters since hydroxide reacts with carbon dioxide, and lithium is lighter than sodium or potassium.Cesium and francium hydroxides are very expensive and little used. Is this information consistentwith your answer to the previous question?10. The following Lewis structures for (a) HCN, (b) C3H;, (c) SnOz, (d) BF3, (e)HOF are incorrect. Explain what is wrong with each one and give a correct structure for the molecule. (Relative positions of atoms are shown correctly.) (a) H-ëN (b) HCC-H (c) 0-Sn-0 (d) :F B :F: (e) H-O-F:
- Thiocyanic acid (HSCN) is an inorganic acid (pKa = 1.1 at 25 °C) that can be classified as “strong” largely due to resonance stabilization of its conjugate base, thiocyanate (SCN– ). In the space provided below, draw Lewis electron dot structures of SCN- and all of its important resonance forms.Using the table of bond dissociation energies, the AH for the following reaction is CH4 + 20 2→ CO 2 + 2 H2O Bond D (kJ/mol) C-H 413 O=O 495 =0 799 463 -52 154 -1246 684 -808 kJ.I need this solution, Calculate the Enthalpy Change (ΔH) from average bond energies, which have been listed below in KJ/mol, for the following reaction and identify the nature of the reaction: CH3COOH + CH3OH → CH3COOCH3 + H2O [C‒H: 413; C‒C: 347; C=O: 745; C=C: 614; Cl‒Cl: 239, C‒O: 358; O‒H: 467
- Draw the Lewis-Acid base adduct with formal charges for the reaction of BH3 with THFBond Energies and Heat of Reaction Use the given bond energy values to estimate AH for the following gas-phase reaction. 0 OH OH - - H₂O (Simple energy units required for the answer.) D-values in kJ/mol -Br=363 DH-432 DH-N-391 DH-0-467 Dc-c-614 Dec - 839 DC-N 615 DCIN- 891 Dc-0745 Dco (co₂) -799 Der 276 DN-N160. DNON 941 Do-o = 146 DN-0-201 DN-0=607 De-a 339 DH-CI 427 DH-C-413 Dc-c-347 DC-305 Dco 358 Dcao-1072 DN-N-418 Do-o-495 Dar- 193 Da-a-239JA H;° of H2O(1) is -285.8 kJ/mol. calculate A H;° of MgO. The relevant reactions for these two heats of formation are: H2(g) + ½ O2(g) H20(1) and Mg(s) + ½ O2(g) - MgO(s) > -141.3 kj/mol a) -306.6 kj/mol b) -447.9 kj/mol c) d) -592.4 kj/mol 141.3 kj/mol f) Not even information given
- How does molecular property of salicylic acid contributes to the bulk property of the carboxylic acid?species H (g) O(g) H2O (g) H2O2 (g) AH:° (kJ/mole) +218.0 +249.1 -241.8 1. (3H – ®YH¾ -136.4 Calculate the O-H bond energy in H2O. Use this to calculate the O-O bond energy in hydrogen peroxide, H-O-O-H. What is the bond energy in molecular oxygen? How does itcompare with that of H2O2? Comment.Complete the scheme, write formulas: S CISO3H - 15°C konc. HNO3 H₂O A B C4H3NSO₂ 40°C to