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Chapter 4 Solutions
Organic Chemistry (9th Edition)
- NOTICE THAT BOND 2 IS AN INCORRECT ANSWER.arrow_forwardUse bond-dissociation enthalpies to calculate the AH° for each of the following reactions. CH3CH2CH3+H2 → CH3CH3+CH4 CH3CH2CL+HI → CH3CH2I+HCIarrow_forwardEstimate the heat released when 1-butene(CH3CH2CHCH2) reacts with bromine to give CH3CH2CHBrCH2Br. Bond enthalpies are CH : 412 kJ/mol; CC : 348 kJ/mol;CC : 612 kJ/mol; CBr : 276 kJ/mol;BrBr : 193 kJ/mol. 1.317 kJ/mol 2.507 kJ/mol 3.95 kJ/mol 4.288 kJ/mol 5.181 kJ/molarrow_forward
- The superoxide ion, O2- , plays an important role in the ageing processes that take place in organisms. Judge whether O2- is likely to have a higher or lower dissociation energy than O2 .arrow_forwardwhy do you have -k2 in the L.H.S and -(-w)2 in the R.H.S ?arrow_forwardsketch a PE diagram for the following reactions: 2NO(g) = N2(g) + O2(g) C2H2(g) = 2C(s) + H2(g)arrow_forward
- The reaction between methanol and hydrochloric acid yields chloromethane and water. What is the enthalpy for the reaction using the given bond energies (kJ mol-1)? C-Cl = 326 H-O = 463 H-Cl = 431 C-O = 335 -511 kJ mol-1 -59 kJ mol-1 -23 kJ mol-1 -42 kJ mol-1 The reaction between methanol and hydrochloric acid yields chloromethane and water. What is the enthalpy for the reaction using the given bond energies (kJ mol-1)? C-Cl = 326 H-O = 463 H-Cl = 431 C-O = 335 -511 kJ mol-1 -59 kJ mol-1 -23 kJ mol-1 -42 kJ mol-1arrow_forwardGiven:P4(s) + 5O2(g)⟶P4O10(s) ΔG°298 = −2697.0 kJ/mol2H2(g) + O2(g)⟶2H2O(g) ΔG°298 = −457.18 kJ/mol6H2O(g) + P4O10(s)⟶4H3 PO4(l) ΔG°298 = −428.66 kJ/molDetermine the standard free energy of formation, ΔG°f , for phosphoric acid.arrow_forwardAccording to the conventions above, what is the sign ( + or ) of the P.E. change (H) for Rxn 3?arrow_forward
- 1,1'-diethyl-2,2'-carbocyanine chloride 1. What is the value of "n" for the HOMO for the molecule? n=# bondsarrow_forwardCalculate the enthalpy of formation of propane from:a. Combustion data (ΔHc = –2217 kJ mol–1; ΔHf (CO2) = –393.4 kJ mol–1, ΔHf (H2O) =–285.2 kJ mol–1);b. Bond enthalpies (C–C 348 kJ mol–1; C–H 413 kJ mol–1; H–H 436 kJ mol–1; ΔHvap forcarbon = –717 kJ mol–1).arrow_forward1 ethel 2 isopropylcyclohexane Which structure would be most stable cis?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning