ORGANIC CHEMISTRY 2 YEAR CONNECT ACCES
10th Edition
ISBN: 9781260025309
Author: Carey
Publisher: MCG/CREATE
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Chapter 7.6, Problem 11P
Standard enthalpies of formation are known for all
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C2H5OH combustion releases 1200 kJ/mol. How many giving off of C2H5OH is to be burned to generate 6200 kJ energy?
Estimate 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/mol
What is the net energy associated on complete combustion of propane (C3H8)? Assume that you are at a temperature where average bond energies are given below.
H-H
648
C-H
619.5
C-C
520.5
C=C
921
C≡C
1258.5
C-O
537
C=O (not in CO2)
1117.5
C=O (In CO2)
1198.5
C≡O
1608
O-H
700.5
O-O
219
O=O
742.5
(Do not include units in your answer. If you round during your calculation make sure to keep at least 3 decimal places. Report your answer to nearest whole number.)
Chapter 7 Solutions
ORGANIC CHEMISTRY 2 YEAR CONNECT ACCES
Ch. 7.1 - Name each of the following using IUPAC...Ch. 7.1 - Prob. 2PCh. 7.2 - How many carbon atoms are sp2-hybridized in the...Ch. 7.3 - Prob. 4PCh. 7.3 - Are cis-2-hexene and trans-3-hexene stereoisomers?...Ch. 7.4 - Prob. 6PCh. 7.4 - Prob. 7PCh. 7.4 - Give the IUPAC name of each of the compounds in...Ch. 7.5 - Arrange the following in order of increasing...Ch. 7.6 - Prob. 10P
Ch. 7.6 - Standard enthalpies of formation are known for all...Ch. 7.6 - Prob. 12PCh. 7.6 - Despite numerous attempts, the alkene...Ch. 7.6 - Write structural formulas for the six isomeric...Ch. 7.7 - Place a double bond in the carbon skeleton shown...Ch. 7.9 - Identify the alkene obtained on dehydration of...Ch. 7.10 - Prob. 17PCh. 7.11 - Prob. 18PCh. 7.12 - Prob. 19PCh. 7.13 - The alkene mixture obtained on dehydration of...Ch. 7.14 - Write the structures of all the alkenes that can...Ch. 7.14 - Write structural formulas for all the alkenes that...Ch. 7.15 - A study of the hydrolysis behavior of...Ch. 7.15 - Use curved arrows to illustrate the electron flow...Ch. 7.15 - Predict the major product of the reaction shown.Ch. 7.16 - Prob. 26PCh. 7.17 - Prob. 27PCh. 7.18 - Prob. 28PCh. 7.19 - Predict the major organic product of each of the...Ch. 7.19 - A standard method for the synthesis of ethers is...Ch. 7 - Write structural formulas for each of the...Ch. 7 - Prob. 32PCh. 7 - Give an IUPAC name for each of the following...Ch. 7 - A hydrocarbon isolated from fish oil and from...Ch. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Choose the more stable alkene in each of the...Ch. 7 - Suggest an explanation for the fact that...Ch. 7 - Prob. 41PCh. 7 - Write structural formulas for all the alkene...Ch. 7 - Prob. 43PCh. 7 - Prob. 44PCh. 7 - Predict the major organic product of each of the...Ch. 7 - Prob. 46PCh. 7 - Prob. 47PCh. 7 - The rate of the reaction In the first order in...Ch. 7 - Prob. 49PCh. 7 - Prob. 50PCh. 7 - You have available 2,2-dimethylcyclopentanol (A)...Ch. 7 - Prob. 52PCh. 7 - Prob. 53PCh. 7 - Prob. 54PCh. 7 - Acid-catalyzed dehydration of...Ch. 7 - The ratio of elimination to substitution is...Ch. 7 - Prob. 57PCh. 7 - Prob. 58DSPCh. 7 - Prob. 59DSPCh. 7 - Prob. 60DSPCh. 7 - Prob. 61DSPCh. 7 - A Mechanistic Preview of Addition Reactions The...Ch. 7 - Prob. 63DSPCh. 7 - Prob. 64DSPCh. 7 - Prob. 65DSP
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- Following 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?arrow_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_forwardThe 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_forward
- Given the following for the oxidation of 1-decanol. CH3(CH2)8CH2OH(l) + O2(g) → CO2(g) + H2O(l) a) Calculate the work done when 1 mole is oxidized at 1 atm pressure.arrow_forwardHow much heat is produced by the complete combustion of 237 g of methane by the equation below. The enthalpy change is 802.3 KJ. CH4 + 2 O2 ---> CO2 + 2 H2O Is this reaction exothermic or endothermic? Draw an energy diagram to illustrate this reactionarrow_forwardCalculate the enthalpy change when 1.0(1 g of methane is burned in excess oxygen according to the reaction CH,(g) 4- 2O2(g) ->CO2(g) + H-CH/) 1H = -891 kJ/molarrow_forward
- Given 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_forwardHow much heat is produced if 8.0 moles of ethane undergo complete combustion?The heat of combustion for ethane, C2H6, is 45.7 kJ/g.arrow_forwardPropane (C3H8, seen here) is a common fuel used for cooking on outside grills. 1) Which bonds are broken in the combustion of propane? a) C-O b) C-C c) O-H d) C-H e) O-Oarrow_forward
- Explain why the bond dissociation enthalpy of a C-H bond in benzene is significantly greater than that in alkanesarrow_forward(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.arrow_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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