Question

In: Chemistry

The hydrocarbon butane has the structure Use the average bond enthalpies from the table below to...

The hydrocarbon butane has the structure



Use the average bond enthalpies from the table below to estimate the change in enthalpy ΔH° for the reaction

  • 2 C4H10(g) + 13 O2(g)8 CO2(g) + 10 H2O(g)   ΔH° =
  • kJ
bond kJ/mol bond kJ/mol

C-H

413

C-O

351

C-C

348

C=O

728

C=C

615

O-H

463

C≡C

812

O=O

498

Solutions

Expert Solution


Related Solutions

The table below lists the average bond energies that you would need to determine reaction enthalpies
Find the displacement thickness, momentum thickness and energy thickness for the velocity distribution in boundary layer given by: \( \frac{u}{U}=2(\frac{y}{\delta})-(\frac{y}{\delta})^2 \)
Use the enthalpies of formation in the table below to answer the following questions. Substance Enthalpy...
Use the enthalpies of formation in the table below to answer the following questions. Substance Enthalpy of Formation (kJ/mol), 298 K Oxygen (O2)(g) 0 Methane (CH4)(g) -74.8 Carbon Dioxide (CO2)(g) -393.5 Water (H2O)(g) -241.8 Water (H2O)(l) -285.8 A) Calculate the change in enthalpy for the combustion of methane using the values in the table above (assuming that the system remains at 298 K) for the combustion of methane to form carbon dioxide and gaseous water. B) Repeat this calculation assuming...
Find the average enthalpy of the SO bond in SO3(g) from the following standard molar enthalpies...
Find the average enthalpy of the SO bond in SO3(g) from the following standard molar enthalpies of formation (in kJ/mol): SO3(g) (–395.72), S(g) (278.81), O(g) (249.17). a. 474.0 kJ/mol b. 264.9 kJ/mol c. 923.7 kJ/mol d. 307.9 kJ/mol e. 630.6 kJ/mol
Use the data from the table below to estimate the weighted average cost of capital for...
Use the data from the table below to estimate the weighted average cost of capital for ABC, Inc.   Show and label your work. Justify and explain each of your estimates. Current T-Bill Yield 1.06% Current 30 Year Treasury Yield 2.75% 1926-2011 Arithmetic Average T-Bill Return 3.62% 1926-2011 Arithmetic Average 30 Year Treasury Return 6.14% 1926-2011 Geometric Average T-Bill Return 3.58% 1926-2011 Geometric Average 30 Year Treasury Return 5.72% 1926-2011 Arithmetic Average of S&P500 less T-Bill Return 8.14% 1926-2011 Geometric Average...
A table of enthalpies of solvation in water is given below for various substances at 298...
A table of enthalpies of solvation in water is given below for various substances at 298 K and 1 bar. Which of these substances release heat when dissolved (exothermic) and which absorb heat when dissolved (endothermic)? If you dissolved 5 mol of each of these in water at 298 K, how much heat would be absorbed or released? Assume the enthalpy of solvation is constant for all solute concentrations. Calculate the temperature change if 1 L of liquid water at...
Use bond enthalpies to estimate a) the enthalpy of the anaerobic breakdown of glucose to lactic...
Use bond enthalpies to estimate a) the enthalpy of the anaerobic breakdown of glucose to lactic acid in cells that are starved of oxygen, C6H12O6(aq) → 2 CH3CH(OH)COOH(aq), b) the enthalpy of combustion of glucose. Ignore the contributions of enthalpies of fusion and vaporization.
Problem 8.71 Using bond enthalpies (Table 8.4 in the textbook), estimate ΔH for each of the...
Problem 8.71 Using bond enthalpies (Table 8.4 in the textbook), estimate ΔH for each of the following reactions. Part A 2CH4(g)+O2(g)→2CH3OH(g) ΔH = -321   kJ   SubmitMy AnswersGive Up Correct Part B H2(g)+Br2(g)→2HBr(g) ΔH = -103   kJ   SubmitMy AnswersGive Up Correct Part C 2H2O2(g)→2H2O(g)+O2(g) ΔH = 495   kJ   SubmitMy AnswersGive Up Incorrect; Try Again
Consider the Lewis structure of aminomethanol (NH2CH2OH) below, for each chemical bond in the table, determine the type of the chemical bond and bond polarity
Consider the Lewis structure of aminomethanol (NH2CH2OH) below, for each chemical bond in the table, determine the type of the chemical bond and bond polarityAnswer choices for each:Pure nonpolar covalent bond or polar covalent and the partial negative charge is on the _____1) N―H2) N―C3) C―H4) C―O5) O―H
1) determine the heat of reaction from the bond enthalpies for the reaction given H2      +    ...
1) determine the heat of reaction from the bond enthalpies for the reaction given H2      +     Br2   >>    2 HBr 436.4         192.5            366.1 2) calculate the formal charges in the phosphate ion. 3) what elements can have "expanded octets" and how many electrons can they carry?
1)Using average bond enthalpies, predict which of the following reactions will be most exothermic: a) C(g)...
1)Using average bond enthalpies, predict which of the following reactions will be most exothermic: a) C(g) + 2 F2(g) b) CO(g) +3 F2(g) CF4(g) + OF2(g) c) CO2(g) + 4 F2(g) CF4(g) + 2 OF2(g) 2) Ammonia is produced directly from nitrogen and hydrogen. The chemical reaction is N2(g) + 3 H2(g) 2 NH3(g) N≡N a) Use Table 8.4 p 326 in textbook (or you can find the table in the chapter 5 slides on the UR course), to estimate...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT