Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 1. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) Ostable O Ostable Ounstable Ounstable Undo OH Ostable OH Ostable HO Ounstable Ounstable Click and drag to start drawing a structure. ? S 區 000 13 Ar B
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- Starting from the following alkene, which products will be obtained upon the action by the following reagents? Match the letter for the product, if found in the list, to each reagent. A НО. E Br reagent НО. B Br F t C Br G OH Br D H BrUsing 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.Many free radicals combine to form molecules that do not contain any unpaired electrons. The driving force for the radical- radical combination reaction is the formation of a new electron-pair bond. Consider the formation of hydrogen peroxide. 2 OH(g) → H₂O₂(g) Write Lewis formulas for the reactant and product species in the chemical equation. Include nonbonding electrons. OH(g) Select Draw Rings More / ||| ||| Erase Q2 Q H₂O₂(g) Select Draw Rings More 3 S H Erase Q2 Q Question Source: McQuarrie, Rock, And Gallogly 4e - General Chemistry Publisher: University Science B
- Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance A B C D H chemical symbol, chemical formula or Lewis structure H :0: 44 - C- C-H H - H 1 C I Ar H H | | - C - | 1 H H H Ag H CIO : 0: H boiling point ✓ (Choose one) 1 (highest) 2 3 4 (lowest) (Choose one) ✓ (Choose one) ✓1. Draw Lewis structures for ozone and for dioxygen. Using the data given below, qualitatively compare the bond enthalpies, bond orders, and bond lengths of these two compounds. O₂ (g) 20 (g) AH" = +498 kJ O(g) + O₂(g) →O, (g) AH-105 kJRank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance A B C chemical symbol, chemical formula or Lewis structure :0: || H-C-H Co H₂ H-C-H || H-C-H boiling point (Choose one) (Choose one) (Choose one) ✓ (Choose one) X Ś V 0 E
- Using bond energies from the table, estimate ΔH for the reaction below. The OH group on the product side is attached to a carbon.CH2=CH2(g) + H2O(g) ↔ CH3CH2OH(g) Bond Energies, kJ/mol Single Bonds H C N O S F Cl Br I H 432 C 411 346 N 386 305 167 O 459 358 201 142 S 363 272 --- --- 286 F 565 485 283 190 284 155 Cl 428 327 313 218 255 249 240 Br 362 285 243 201 217 249 216 190 I 295 213 --- 201 --- 278 208 175 149 Multiple Bonds C=C 602 C=N 615 C=O 799 CºC 835 CºN 887 CºO 1072 N=N 418 N=O 607 S=O (in SO2) 532 NºN 942 O2 494 S=O (in SO3) 469CO₂H -OH -OH heat 1. SOCI 2, A 2. NaO,CCH2CH3 ?Explain why the following reaction is exothermic based on your knowledge of both bond enthalpy and exothermic reaction profile. Draw the exothermic reaction profile to help. H2 + Cl2 à 2HCl DH = negative
- Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on.Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance A B C D chemical symbol, chemical formula or Lewis structure H :O: H | || | H-C-C-C-H H | | H Ar | | H H Ag H H | | H-C-C-C-O-H 1 H | H boiling point (Choose one) (Choose one) (Choose one) X (Choose one 1 (highest) 2 3 4 (lowest) 5Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance A B C D chemical symbol, chemical formula or Lewis structure N₁₂ :0: || H-CN-H NO :0: | H H H-C-C-H I H boiling point (Choose one) (Choose one) (Choose one) (Choose one)