e) H₁₂O* = widehat(H₂O*) H₂O : cl:o. H₂O* Select to Add Arrows Select to Add Arrows H2O* Select to Add Arrows draw reasonance arrows to show electron flow
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- Consider the base hydroxylamine, NH₂ OH. Part B There are two atoms in hydroxylamine that have nónbonding electron pairs that could act as proton acceptors. Draw two structures of protonated hydroxylamine. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. gspecies 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.½ O +†^: Show the curved arrows between propan-2-ide and water. COP + D.. :I Jil See Periodic Table See Hint Н HUZ C N 0 S F P CI Br I
- Which of the following features the correct use of curved arrows to describe the chemical changes occurring? H NH₂ NH₂ NH₂ NH₂ 0:0 + + + NH3 NH3 NH3 NH3Calculate AH for the reaction CH4 (g) + NH3 (g) → HCN (g) + 3 H2 (g)1₁ 9) CNN B G O Bond H-O C=C H-C C-C C-O This question has multiple parts. Work all the parts to get the Enthalpy change COWLV2... 2-Propanol can be made by the reaction of propene and water: CH3-HC=CH₂(g) + H₂O(g) → CH3 CH(OH)CH3(g) a Use bond dissociation enthalpies to estimate the enthalpy change in this reaction. ΔΗ (kJ/mol) Substance 463 610 413 346 358 CH3 CH(OH)CH3(g) Enthalpy change = b Calculate the enthalpy change for this reaction from enthalpies of formation. Af H (kJ/mol) H₂O(g) CH3-H₂C=CH₂(g) KJ * prod03-cnow-owl.cengagenow.c -272.8 -241.83 20.42 kJ Referens
- Consider the molecules of furan and benzene. The dominant Lewis structure of furan and the two resonance structures of benzene are shown below: H K Book H What is the meaning of the double-sided arrow () connecting the two structures of benzene? Furan Benzene H It indicates that electrons in benzene rapidly change their positions corresponding to the two structures. It indicates that there are two independent coexisting forms of benzene. It indicates a chemical equilibrium between the two distinct structures. It indicates that the second structure can be obtained as a mirror image of the first one. It indicates that benzene exists in a single form, which is an average of the two structures.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) 5of the compound and molecules of ter. name fluoromethane formic acid acetic acid compound formula or Lewis structure CH,F :0: || H-C-0-H H :O: | || H-C-C-O-H H Between molecules of the compound? O O 00 yes no yes no yes hydrogen-bonding force no Between molecules of the compound and molecules of water? 00 00 yes no yes no yes X no
- Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. Mg.. o Br CO₂ :0: Select to Add Arrows THF :0:You 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?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 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
