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 7.6, Problem 11P
Standard enthalpies of formation are known for all
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For the complete combustion of 1.000 mole of propane gas at 298 K and 1 atm pressure, ∆H° = -2220 kJ/mol. What will be the heat released when 4.13 g of propane is combusted under these conditions? The chemical formula for propane is C3H8.
What is the heat of combustion of ethane, C₂H, in kilojoules per mole of ethane? Enthalpy of formation values can be found in
this list of thermodynamic properties.
AH =
kJ/mol ethane
Calculate the enthalpy change for the reaction below.
Compound
Нeat Value
-> 3NO(s) ,0,ls)
AH +174 k
(belONH2 -(aloH (2Fo+ ('N
AH -183 k
AH =-128 k)
2NO(g)
O-137 kJ
O-128 kJ
-174kJ
270KJ
Chapter 7 Solutions
Organic Chemistry - Standalone book
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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- Camping stoves are fueled by propane (C3H8), butane [C4H10(g), fH = 127.1 kJ/mol]. gasoline. or ethanol (C2H5OH). Calculate the enthalpy of combustion per gram of each of these fuels. [Assume that gasoline is represented by isooctane, C8H18(), with fH = 259.3 kJ/mol.) Do you notice any great differences among these fuels? How are these differences related to their composition?arrow_forwardDetermine the enthalpy of formation of acetone, C3H6O(l)C3H6O(l) + 4O2(g) -> 3CO2(g) +3H2O(l) ΔHrxn = -1790 kJΔH°f of the ff: CO2(g) = -393.5 kJ/mol; H2O(l) = -285.83 kJ/molarrow_forwardCalculate the ΔH for the following reaction using the given bond energies. (H - C = 414; C - C = 347; C = C = 619; H - H = 435). CH2 = CH2(g) + H2(g) => CH3 - CH3(g)arrow_forward
- Use the following equations to calculate the heat of the reaction for the synthesis of diborane. 2B(s) + 3/2 O2(g) → B2O3(s) ∆ Ho = -1273 kJ B2H6(g) + 3 O2(g) → B2O3(s) + 3H2O(g) ∆ Ho = -2035 kJ H2(g) + 1/2 O2(g) → H2O(l) ∆ Ho = -286 kJ H2O (l) → H2O (g) Δ Ho = 44 kJ Calculate ∆Ho for the following reaction:2B(s) + 3H2(g) → B2H6(g)arrow_forwardUse the following equations to calculate the heat of the reaction for the synthesis of diborane. 2B(s) + 3/2 O2(g) → B2O3(s) ∆ Ho = -1273 kJ B2H6(g) + 3 O2(g) → B2O3(s) + 3H2O(g) ∆ Ho = -2035 kJ H2(g) + 1/2 O2(g) → H2O(l) ∆ Ho = -286 kJ H2O (l) → H2O (g) Δ Ho = 44 kJ Calculate ∆Ho for the following reaction:2B(s) + 3H2(g) → B2H6(g)Use kJ for your answer.arrow_forwardThe enthalpy (or heat) of combustion of acetone, (CH3)2CO, is - 1657.8 kJ. The reaction is (CH3)2CO (1) +4 0₂ (g) →3 CO₂(g) + 3 H₂O (g). Given the values of AH-393.5 kJ/mol for CO₂ (g) and AH-241.8 kJ/mol for H₂O(g), the calculated value of AH; for acetone O equals - 3563.7 kJ/mol O equals - 1022.5 kJ/mol O equals-248.1 kJ/mol O equals 1202.7 kJ/molarrow_forward
- CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g) → CO2 (g), ΔH = - 393.5 KJ/mol H2 (g) + ½ O2 (g) → H2O (l), ΔH = - 285.8 KJ/mol Calculate the enthalpy of formation of methanol from its elements: C (graphite) + 2 H2 (g) + ½ O2 (g) → CH3OH (l)arrow_forwardpowo 72 3. Calculate the heat of combustion (kJ) of propane, C3H8 using the listed standard enthalpy of reaction data: C3H8(g) + 5 O2(g) →3 CO2(g) + 4 H₂O(g) AH° = -103.8 kJ AH = -393.5 kJ AHO = -241.8 kJ 3 C(s) + 4 H₂(g) →→ C3H8(g) C(s) + O2(g) → CO2(g) H₂(g) + 1/2 O2(g) → H₂O(g) 4. Given the following equations and Ho values given below, determine the heat of reaction at 298 K for the reaction: 2 N₂(g) + 5 O₂(g) →2 N₂O5(g) AHO=-571.6 kJ AH°= -73.7 kJ AH°=-348.2 kJ (24 2 H₂(g) + O2(g) → 2 H₂O(1) N₂Os(g) + H₂O(1)→ 2 HNO3(1) N2(g) + 3 O2(g) + H₂(g) → 2 HNO3(1) HAarrow_forwardGiven that ∆H° for the reaction is -42 kcal/mol and the bond dissociation enthalpies for the C - H, C - Cl, and O - H bonds are 101, 85, and 105 kcal/mol respectively, calculate the bond dissociation enthalpy of the O - Cl bond.arrow_forward
- Calculate the standard enthalpy difference between 2-ethyl-1-butene and 1-hexene to determine which molecule is more stable. The heats of formation are -55.8 kJ/mol for 2-ethyl-1-butene and -40.5 kJ/mol for 1-hexene. O a. 2-ethyl-1-butene is more stable by 15.3 kJ/mol O b. The two stabilities can't be compared because the molecules are not isomers. O c. 1-Hexene is more stable by 15.3 kJ/molarrow_forwardEstimate the enthalpy change for the combustion of one mole of acetylene, C2H2, to formcarbon dioxide and water vapor. (C2H2 is ). 2 C2H2 + 5 O2 -----> 2 H2O + 4 CO2 BE(C–H) = 456 kJ/mol BE= 962 kJ/mol BE(O=O) = 499 kJ/mol BE(C=O) = 802 kJ/mol BE(O–H) = 462 kJ/molarrow_forwardO Macmillan Learning For a particular isomer of Cg H₁g, the combustion reaction produces 5108.7 kJ of heat per mole of Cg H₁ (g) consumed, under standard conditions. 18⁹ 18 C8H₁8 (g) + 25/ 02(g) 8 CO₂(g) + 9 H₂O(g) 2 AH; = ΔΗ AH ixn = -5108.7 kJ/mol What is the standard enthalpy of formation of this isomer of Cg H₁8 (g)? Standard enthalpy of formation values can be found in this table of thermodynamic values. 8 18 kJ/molarrow_forward
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