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Calculate the delta H reaction for the combustion of glucose(C6H12O6) using delta H(f knot) values. Calculate the delta H(fknot) of glucose to be used in the above calculation using thefollowing information. (must be calculated, not looked up).

6CO2(g) + 6H2O(l) = C6H12O6(s) + 6O2(g) Delta H (rxn)= 2826 kJ

* Please show all work and steps so I can understand how to dosimilar probelms*

Thank you!

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Reid Wolff
Reid WolffLv2
30 Sep 2019

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Joey Tang
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19 May 2020

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Related questions

Consider the formation of glucose from carbon dioxide and water (i.e., the reaction of the photosynthetic process): 6CO2(g)+6H2O(l)→C6H12O6(s)+6O2(g)

The following table of information will be useful in working this problem:

T= 298 K CO2(g) H2O(l) C6H12O6(s) O2(g)
ΔH∘f (kJ mol−1) -393.5 -285.8 -1273.1 0.0
S∘ (J mol−1 K−1) 213.8 70.0 209.2 205.2
C∘P,m (J mol−1 K−1) 37.1 75.3 219.2 29.4

Part A: Calculate the entropy change for this chemical system at 316 K .

Express your answer to four significant figures and include the appropriate units.

Part B:

Calculate the enthalpy change for this chemical system at 316 K .

Express your answer to four significant figures and include the appropriate units.

Part C:

Calculate the entropy change of the surroundings at 316 K .

Express your answer to three significant figures and include the appropriate units.

Part D:

Calculate the entropy change of the universe at 316 K .

Express your answer to three significant figures and include the appropriate units.

show all steps

  1. Glucose (C6H12O6) is the primary source of metabolic energy forvertebrates.

    1. Write a balanced chemical reaction for the combustion ofglucose. The products of the combustion are carbon dioxide andliquid water.

    2. Using tabulated Gfo values, calculate the free energy ofreaction for the combustion of glucose.

    3. A normal human body requires approximately 2000 kJ of energy tosustain itself. Assuming that glucose is the primary source ofmetabolic energy, how many grams of glucose must be consumed inorder to provide 2000 kJ of energy?

    4. The metabolism of glucose in vertebrate systems requires anumber of steps, which when added together result in the reactionfrom part (a). Explain why it is possible to calculate themetabolic energy even though there is more than one step in theprocess.

  2. Write reactions that correspond to the following changes.

    1. Gof for solid Aluminum oxide

    2. the standard free energy of combustion of liquid ethanol,C2H5OH(l).

    3. the standard enthalpy of neutralization of barium hydroxidesolution by aqueous hydrochloric acid.

    4. Gof for gaseous vinyl chloride, C2H3Cl(g)

  3. Using tabulated data from the end of this exam, calculate the, , and for the reactions givenbelow.

  4. Using the figure below, answer the following questions.

  1. Using the data provided, calculate ,for all of the possibleconversions at 298K outlined above (There are sixpossibilities)

  2. Determine the K values for each reaction.

  3. Determine the Gibbs energy for each of the reactions (forwardand reverse) at 1000 K.

  1. Glucose (C6H12O6) is the primary source of metabolic energy forvertebrates.

    1. Write a balanced chemical reaction for the combustion ofglucose. The products of the combustion are carbon dioxide andliquid water.

    2. Using tabulated Gfo values, calculate the free energy ofreaction for the combustion of glucose.

    3. A normal human body requires approximately 2000 kJ of energy tosustain itself. Assuming that glucose is the primary source ofmetabolic energy, how many grams of glucose must be consumed inorder to provide 2000 kJ of energy?

    4. The metabolism of glucose in vertebrate systems requires anumber of steps, which when added together result in the reactionfrom part (a). Explain why it is possible to calculate themetabolic energy even though there is more than one step in theprocess.

  2. Write reactions that correspond to the following changes.

    1. Gof for solid Aluminum oxide

    2. the standard free energy of combustion of liquid ethanol,C2H5OH(l).

    3. the standard enthalpy of neutralization of barium hydroxidesolution by aqueous hydrochloric acid.

    4. Gof for gaseous vinyl chloride, C2H3Cl(g)

  3. Using tabulated data from the end of this exam, calculate the, , and for the reactions givenbelow.

  4. Using the figure below, answer the following questions.

  1. Using the data provided, calculate ,for all of the possibleconversions at 298K outlined above (There are sixpossibilities)

  2. Determine the K values for each reaction.

  3. Determine the Gibbs energy for each of the reactions (forwardand reverse) at 1000 K.

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