Combustion of glucose (C6H12O6) is the main source of energy for animal cells:CHO) +60, (e) 600, (e) 6H,O)+ (1)rxnAG (37 °C)=-2872. kJOne of the most important uses to which this energy is put is the assembly of proteins out of amino acid building blocks. The Gibbs free energy of formation ofone peptide bond, joining one amino acid to another, is 21 kJ/mol.Suppose some cells are assembling a certain protein made of 27 amino acids. (Note that the number of peptide bonds in the protein will be one less than thenumber of amino acids.) Calculate the minimum mass of glucose that must be burned to assemble 250. umol of this protein.Round your answer to 2 significant digits.g0E

(0.00855501 g of glucose)Rounded to two significant figures0.0086 g of glucoseExplanation:Given the…

Answered: Combustion of glucose (C6H12O6) is the…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter10: Fuels, Organic Chemicals, And Polymers

Section: Chapter Questions

Problem 119QRT

See similar textbooks

Similar questions

Plants synthesize carbohydrates from CO2 and H2O by the process of photosynthesis. For example, 6CO2(g)+6H2O(l)C6H12O6(aq)+6O2(g) G=2.87103 kJ at pH 7.0 and 25°C. What is K for the reaction at 25°C?
Combustion of glucose (CH,0 is the main source of energy for animal cells: CH,0,) + 60,(g) -- 6CO,(g) + 6H,o) AG,(37 C) =- 2872. kI One of the most important uses to which this energy is put is the assembly of proteins out of amino acid building blocks. The Gibbs free energy of formation of one peptide bond, joining one amino acid to another, is 21 k/mol. Suppose some cells are assembling a certain protein made of 84 amino acids. (Note that the number of peptide bonds in the protein will be one less than the number of amino acids.) Calculate the minimum mass of glucose that must be burned to assemble 400. umol of this protein. Round your answer to 2 significant digits.
Gibbs free energy (G) is a measure of the spontaneity of a chemical reaction. It is the chemical potential for a reaction, and is minimized at equilibrium. It is defined as G=H-TS where H is enthalpy, T is temperature, and S is entropy. The chemical reaction that causes iron to corrode in air is given by 4Fe +302-2Fe2O3 in which at 298 K, AH = - 1684 kJ and ASixn - 543.7 J/K. = Part C At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium? Express your answer as an integer and include the appropriate units. ► View Available Hint(s) Teq = Submit 14 μÅ Value Units ?
Calculate the equilibrium constant for the phosphorylation of glucose to glucose 6-phosphate at 37.0 °C. 4.74 x10¬3 M-1 eq In the rat hepatocyte, the physiological concentrations of glucose and P; are maintained at approximately 4.8 mM. What is the equilibrium concentration of glucose 6-phosphate (G6P) obtained by the direct phosphorylation of glucose by P;? 8.75 x10-8 [G6P] = M Incorrect
Combustion of glucose (C₂H₂O₂) is the main source of energy for animal cells: C₂H₁0()+60₂(g) 6CO₂(g) + 6H₂O() AG,(37 "C)--2872. kJ One of the most important uses to which this energy is put is the assembly of proteins out of amino acid building blocks. The Gibbs free energy of formation of one peptide bond, joining one amino acid to another, is 21 kJ/mol. Suppose some cells are assembling a certain protein made of 82 amino acids. (Note that the number of peptide bonds in the protein will be one less than the number of amino acids.) Calculate the minimum mass of glucose that must be burned to assemble 800. umol of this protein. Round your answer to 2 significant digits. 08 D.P X 1426
73. Given the following data Ca(s) + 2C(graphite) Ca(s) + ¿O,(g) CaO(s) + H,O(1) C,H,(2) + 0,(g) Clgraphite) + O,(g) CaC,(s) ΔΗ--62.8 k → CaO(s) AH = -635.5 kJ Ca(OH), (aq) AH = -653.1 kJ 2CO,(g) + H,O(1) AH = -1300. kJ CO,(g) AH = -393.5 kJ calculate AH the reaction CaC,(s) + 2H,O(1) → Ca(OH),(aq) + C,H¿(g) IS ONIA
Calculate AH for the reaction, N2H4(1) + O2(g) -----> N2(g) + 2H2O(1), from the following data: 2NH3(g) = 3N20(g) -----> 4N2(g) + 3H2O(1) N20(g) = 3H2(g) 2NH3(g0 + 1/2O2(g) -----> N2H4(1) + H2O(1) H2(g) + 1/2O2(g) AH = -1010 KJ -----> N2H4(1) + H2O(1) AH = -317 KJ AH = -143 KJ %3D -----> H2O(1) AH = -286 KJ
Which of the following reactions would have the most positive AS° value? A) SO,(g) + Na¸O(s) Na SO,(s) B) CO,(s) → CO,(g) C) Fe®*(aq) + SCN(aq) FESCN²"(aq) D) N,(g) + 3 H,(g) 2 NH,(g) E) 2 NO(g) + CI,(g) 2 NOCI(g)
17.) A protein's enthalpy of denaturation (AH) at its denaturation temperature is 80.9 kcal/mol. The protein's Tm is 68 °C, and its AC, is 1650 cal/(mol K). (a) Calculate AS (Tm), ASd(37 °C) and AS (15 °C). (b) At what temperature is AS = 0?
Continue rotating the molecule along the C-C bonds by dicking the other degrees tabs from 120° to 360°. EXIT TO HOMEPAGE ETHANE CHLOROETHANE 12 - DBROMOETHANE TUTORIAL BUTANE 20 REPRESENTATION HH HH Click to rotate along the C-C bond by intervals of 60°. CONFORMATION STRAIN OTAD D VPMD Notice the changes in the potential energy of the ethane conformations as one methyl (-CH:) group moves relative to the other about the C-C single bonds can be shown diagrammatically.
What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298 K. Express your answer as an integer and include the appropriate units. ► View Available Hint(s) Submit AGixn = 6.24. 10¹¹ Part B AGrxn= xa Submit Part C μÅ Xb b Teq = Previous Answers X Incorrect; Try Again; 5 attempts remaining Enter your answer with a different unit type. Review a list of acceptable units. What is the Gibbs free energy for this reaction at 5975 K ? Assume that AH and AS do not change with temperature. Express your answer to two decimal places and include the appropriate units. ► View Available Hint(s) Value μА Value . μA X.10n J K X Units At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium? Express your answer as an integer and include the appropriate units. ► View Available Hint(s) Units ? ?
Calculate the Gibbs free energy change (AG) for the following chemical reaction: glutamate + NH3 glutamine +H2O The reaction occurs at 68 °F, the change in heat (AH) = 4103 Cal, and the change in entropy (AS)= 2.4 Cal/K. %3D

SEE MORE QUESTIONS

Recommended textbooks for you

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

Publisher:

Cengage Learning

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS