Organic Chemistry - Standalone book
10th Edition
ISBN: 9780073511214
Author: Francis A Carey Dr., Robert M. Giuliano
Publisher: McGraw-Hill Education
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Chapter 17.2, Problem 2P
The heats of combustion of 1, 2-epoxybutane (2-ethyloxirane) and tetrahydrofuran have been measured: one is 2499 kJ/mol; the other is 2546 kJ/mol. Match the heats of combustion with the respective compounds.
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21.) Calculate the enthalpy of hydrogenation of benzene to cyclohexane from the following
reactions
A,H (kJ/mol)
C6H6 (1) + 15/2 02 (g) → 6 CO2 (g) + 3 H20 (1)
C6H12 (1) + 9 02 (g) → 6 CO2 (g) + 6 H20 (1)
H2 (g) + ½ 02 (g) → H2O (1)
-3268
-3920
-285.83
a.) -205 kJ/mol
b.) -1507 kJ/mol
c.) -938 kJ/mol
d.) -366 kJ/mol
Calculate the amount of heat released in the combustion of 0.5 mole of acetylene (C2H2) by the given reaction: C2H2 + 5/2 O2 --> 2 CO2 + H2O , releases 1800 kJ
(a) Calculate the standard enthalpy change for the combustion of 1 mol of benzene, C6H61l2, to CO21g2 and H2O1l2.(b) Compare the quantity of heat produced by combustion of 1.00 g propane with that produced by 1.00 g benzene.
Chapter 17 Solutions
Organic Chemistry - Standalone book
Ch. 17.1 - Prob. 1PCh. 17.2 - The heats of combustion of 1, 2-epoxybutane...Ch. 17.3 - Prob. 3PCh. 17.4 - Prob. 4PCh. 17.5 - Prob. 5PCh. 17.6 - Problem 17.6 (a) Write equations describing two...Ch. 17.6 - Problem 17.7 Only one combination of alkyl halide...Ch. 17.6 - Prob. 8PCh. 17.8 - Prob. 9PCh. 17.8 - Prob. 10P
Ch. 17.9 - Prob. 11PCh. 17.10 - Problem 17.12 Classify the bromohydrins formed...Ch. 17.11 - Prob. 13PCh. 17.11 - Prob. 14PCh. 17.12 - Prob. 15PCh. 17.12 - Prob. 16PCh. 17.14 - Prob. 17PCh. 17.15 - Prob. 18PCh. 17.16 - Prob. 19PCh. 17.17 - Problem 17.20 There is another oxygen-stabilized...Ch. 17 - Prob. 21PCh. 17 - Many ethers, including diethyl ether, are...Ch. 17 - Although epoxides are always considered to have...Ch. 17 - The name of the parent six-membered...Ch. 17 - Prob. 25PCh. 17 - Prob. 26PCh. 17 - Prob. 27PCh. 17 - Prob. 28PCh. 17 - Prob. 29PCh. 17 - Given that: does the product of the analogous...Ch. 17 - Prob. 31PCh. 17 - Prob. 32PCh. 17 - Prob. 33PCh. 17 - Prob. 34PCh. 17 - Prob. 35PCh. 17 - Prob. 36PCh. 17 - When (R)-(+)-2-phenyl-2-butanol is allowed to...Ch. 17 - Prob. 38PCh. 17 - Prob. 39PCh. 17 - Write a mechanism for the following reaction.Ch. 17 - Prob. 41PCh. 17 - Prob. 42PCh. 17 - Prob. 43PCh. 17 - Prob. 44PCh. 17 - Prob. 45PCh. 17 - Prob. 46DSPCh. 17 - Prob. 47DSPCh. 17 - Prob. 48DSPCh. 17 - Prob. 49DSPCh. 17 - Epoxide Rearrangements and the NIH Shift This...Ch. 17 - Epoxide Rearrangements and the NIH Shift This...
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- Given that 2.5 x 10^-2 moles of a hydrocarbon experience full combustion, resulting in the release of 104.1 kJ of heat, what is the molar enthalpy of combustion for said hydrocarbon?arrow_forwardFollowing are heats of combustion per mole for methane, propane, and 2,2,4-trimeth- ylpentane. Each is a major source of energy. On a gram-for-gram basis, which of these hydrocarbons is the best source of heat energy? AHO [kJ (kcal)/mol] Hydrocarbon Component of CH, Natural gas -891 (-213) CH,CH,CH, LPG - 2220 (-531) CH3 CH3 CH,CCH,CHCH3 1. ČH3 Gasoline -5452 (-1304)arrow_forwardThe heat of combustion of 2-methylheptane, C8H18, is 5464 kJ/mol. How much energy is released during the complete combustion of 399 grams of 2-methylheptane ? a) 19,100 kJ b) 21,800 kJ c) 16,200 kJ d) 20,100 kJarrow_forward
- The combustion of isoctane reaction produces -5099.5 kJ of heat per mole of C8H18 (g) consumed, under standard conditions. The enthalpy of formation (DHf) for CO2(g) and H2O (g) are -393.5 kJ/mol and -241.8 kJ/mol, respectively. Find the standard enthalpy of formation (DHf) of this isomer of C8H18 (g)? (Show work) C8H18 (g) + O2(g) -> 8CO2(g) + 9H2O(g) DHrxn = -5099.5 kJarrow_forwardEstimate the heat released when ethene(CH2=CH2) reacts with HBr to giveCH3CH2Br. Bond enthalpies areC-H : 412 kJ/mol; C-C : 348 kJ/mol;C=C : 612 kJ/mol; C-Br : 276 kJ/mol;Br-Br : 193 kJ/mol; H-Br : 366 kJ/mol. Choose the correct answer:1. 1036 kJ/mol2. 58 kJ/mol3. 424 kJ/mol4. 200 kJ/mol5. 470 kJ/molarrow_forwardGiven that there are three possible cis-dimethylcyclohexanes, if the same amount of these compounds were each combusted in a calorimeter, which one pf the three would be expected to release the least amount of heat?arrow_forward
- Estimate 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_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_forwardWrite the balanced chemical equation for the complete combustion of ethane. Reactants Products C2H6 (g) + → Formulate (skeletal formula) the main products for the oxidation and dehydration reactions of the following compound: Reactant Oxidation product Dehydration products | OH CH3―CH2―CH―CH2―CH3arrow_forward
- Using the table of bond energies estimate the heat of combustion of one mole of 2,4-dimethyl-1,3-pentadiene.arrow_forwardPlease answer the following question: The combustion of isoctane reaction produces -5099.5 kJ of heat per mole of C8H18(g) consumed, under standard conditons. The enthalpy of formation (DHf) for CO2(g) and H2O(g) are -393.5 kJ/mol and -241.8 kJ/mol, repspectively. Find the standard enthalpy of formation (DHf) of this isomer of C8H18(g)? (Show work) C8H18(g) + O2(g) -> 8CO2(g) + 9H2O(g) DHrxn = -5099.5 kJarrow_forwardFind the butanol combustion enthalpy using bond energy and calculate the value of the change in heat of combustion due to the addition of a CH2 unit in the given alcoholarrow_forward
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