Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
9th Edition
ISBN: 9781305968707
Author: Spencer L. Seager
Publisher: Brooks Cole
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Chapter 22, Problem 22.37E
Using symbolic formulas such as ADP and
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For a given acid HA, it was determined that at pH 6.0 the concentration of the conjugate base [A]
was 0.075 M and the acid [HA] was 0.025 M.
What percent of this acid is ionized at pH 6.0?
What is the pKa of this acid?
What pH would this acid be 50% lonized?
Use the following information corresponding to 1 Molar concentrations of reactants and products for Questions 7 -13.
ΔHo’ = -63.39 kJ/mol and ΔS o’ = -0.1255 kJ/molK.
Glycerol + ATP → ADP + 3-Phosphoglycerate:
ΔHo’ = -63.39 kJ/mol and ΔS o’ = -0.1255 kJ/molK.
At what temperature (if any) is this reaction excergonic?
Report your answer in Kelvin using inequality signs with out and extra spaces added in.
For example
T=100.00K
T>100.00K
T<100.00K
T</=100.00K less than or equal to
T>/=100.00K greater than or equal to
The reaction for “activation” of a fatty acid (RCOO−), ATP + CoA + RCOO−⇌ RCOOCoA + AMP + PPi has ΔG°′ = +4.6 kJ · mol−1. What is the thermo dynamic driving force for this reaction?
Chapter 22 Solutions
Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
Ch. 22 - Prob. 22.1ECh. 22 - Prob. 22.2ECh. 22 - Prob. 22.3ECh. 22 - List two general functions in the body for each of...Ch. 22 - Prob. 22.5ECh. 22 - Prob. 22.6ECh. 22 - Prob. 22.7ECh. 22 - Prob. 22.8ECh. 22 - Prob. 22.9ECh. 22 - Identify each of the following vitamins as...
Ch. 22 - Prob. 22.11ECh. 22 - Prob. 22.12ECh. 22 - Prob. 22.13ECh. 22 - Prob. 22.14ECh. 22 - Prob. 22.15ECh. 22 - Prob. 22.16ECh. 22 - Prob. 22.17ECh. 22 - What are the general functions of trace minerals...Ch. 22 - Prob. 22.19ECh. 22 - Prob. 22.20ECh. 22 - Prob. 22.21ECh. 22 - Prob. 22.22ECh. 22 - Prob. 22.23ECh. 22 - Prob. 22.24ECh. 22 - What is a metabolic pathway?Ch. 22 - Prob. 22.26ECh. 22 - Prob. 22.27ECh. 22 - Prob. 22.28ECh. 22 - Prob. 22.29ECh. 22 - Prob. 22.30ECh. 22 - Prob. 22.31ECh. 22 - Prob. 22.32ECh. 22 - Prob. 22.33ECh. 22 - Prob. 22.34ECh. 22 - Prob. 22.35ECh. 22 - Prob. 22.36ECh. 22 - Using symbolic formulas such as ADP and PPi, write...Ch. 22 - Prob. 22.38ECh. 22 - Prob. 22.39ECh. 22 - Prob. 22.40ECh. 22 - Prob. 22.41ECh. 22 - Prob. 22.42ECh. 22 - Prob. 22.43ECh. 22 - Prob. 22.44ECh. 22 - Prob. 22.45ECh. 22 - Prob. 22.46ECh. 22 - Prob. 22.47ECh. 22 - Prob. 22.48ECh. 22 - Prob. 22.49ECh. 22 - Prob. 22.50ECh. 22 - Prob. 22.51ECh. 22 - Prob. 22.52ECh. 22 - Prob. 22.53ECh. 22 - Prob. 22.54ECh. 22 - Prob. 22.55ECh. 22 - Prob. 22.56ECh. 22 - Prob. 22.57ECh. 22 - Prob. 22.58ECh. 22 - Prob. 22.59ECh. 22 - Prob. 22.60ECh. 22 - Prob. 22.61ECh. 22 - Prob. 22.62ECh. 22 - Prob. 22.63ECh. 22 - Prob. 22.64ECh. 22 - Prob. 22.65ECh. 22 - Prob. 22.66ECh. 22 - Prob. 22.67ECh. 22 - Prob. 22.68ECh. 22 - Which of the following are not a requirement for...Ch. 22 - Prob. 22.70ECh. 22 - Prob. 22.71ECh. 22 - Outline the three stages in the extraction of...Ch. 22 - Prob. 22.73ECh. 22 - Prob. 22.74ECh. 22 - Prob. 22.75ECh. 22 - Prob. 22.76ECh. 22 - Prob. 22.77E
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- Write a generalized chemical equation, containing acronyms, for the hydrolysis of ATP to ADP.arrow_forwardThe first step of the metabolic process known as glycolysis is the conversion of glucose to glucose- 6-phosphate. This process has a positive value for rG' Glucose + Pi Glucose-6-phosphate + H2O rG' = +13.8 kJ/mol-rxn This reaction is coupled to the hydrolysis of ATP ATP + H2O ADP + Pi rG' = -30.5 kJ/mol-rxn What is the sum of these two equations and the value of rG' for the coupled reaction? Is the coupled reaction product-favored at equilibrium?arrow_forwardhys 19-58 A food package label lists an oil as “partially hydrogen- ated." What does this mean? will regct with one moleculearrow_forward
- The metabolism of glucose produces CO2 and H2O, how does the human body expect these reaction products?arrow_forwardDetermine the direction that each of the reactions will progress. Assume that the reactants and products are present in equimolar amounts. The standard free energy of hydrolysis of ATP is –30.5 kJ/mol. fructose+ATP ____fructose 6‑phosphate+ADP The standard free energy of hydrolysis for fructose 6‑phosphate is −15.9 kJ/mol. 3‑phosphoglycerate+ATP___1,3‑bisphosphoglycerate+ADP The standard free energy of hydrolysis for 1,3‑bisphosphoglycerate is −49.3 kJ/mol. creatine+ATP___creatine phosphate+ADP The standard free energy of hydrolysis for creatine phosphate is –43.0 kJ/mol.arrow_forwardThe average adult consumes approximately 11,700 kJ per day. Assuming that the metabolic pathways leading to ATP synthesis operate at 50% thermodynamic efficiency, about 5850 kJ ends up in the form of synthesized ATP. The average adult consumes approximately 11,700 kJ per day. Assuming that the metabolic pathways leading to ATP synthesis operate at 50% thermodynamic efficiency, about 5850 kJ ends up in the form of synthesized ATP. Imagine that creatine phosphate, rather than ATP, is the universal energy carrier molecule in the human body. Assume that the cellular concentrations of creatine phosphate, creatine, and phosphate are 21.7 mM, 2.17×10-3 mM, and 6.30 mM, respectively. Calculate the weight of creatine phosphate that would need to be consumed each day by a typical adult human if creatine phosphate could not be recycled. Estimate the free energy of hyrdolysis of creatine phosphate under cellular conditions to determine how many moles are required. Use the standard…arrow_forward
- Why are some metabolic reactions coupled to the hydrolysis of ATP? To drive the nonspontaneous reaction To extend the half-life of enzymes To increase the equilibrium constant To bypass metabolic regulationarrow_forwardATP is produced during synthesis of compounds. O True O Falsearrow_forwardIn our cells, the energy released from the oxidation of the food we eat is stored in the form of a "high-energy" compound called adenosine triphosphate (ATP). ATP is composed of + + adenine, ribose, and 2 phosphate groups O adenine, ribose, and 3 phosphate groups O thymine, ribose, and 3 phosphate groups adenine, galactose, and 3 phosphate groupsarrow_forward
- The value of ΔG° for the conversion of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate (GAP) is 7.53 kJ/mol. If the concentration of dihydroxyacetone phosphate at equilibrium is 2.85 mM, what is the concentration of glyceraldehyde-3-phosphate?Assume a temperature of 25.0 °C.[GAP] = ???? mM Please type answerarrow_forward- Part A When blood glucose levels rise following a meal, the events listed below occur. Arrange these events in the appropriate sequence. Arrange the events from earliest to latest. Reset Help Glycogen synthesis Glycolysis replenishes ATP supplies. (glycogenesis) occurs with excess Blood levels pass through normal to below normal Glucose is absorbed by cells. Glucagon is secreted. Insulin levels rise. glucose. (hypoglycemic). The liver releases glucose into the bloodstream. earliest latestarrow_forwardAll are true of the Embden-Myerhof pathway EXCEPT Question 88 options: A) the products pyruvic acid and ATP under aerobic conditions enter the Krebb's (TCA) cycle to produce more ATP B) the products pyruvic acid and ATP under anaerobic conditions are converted to lactic acid and two additional ATP C) Cells use this pathway when they have no energy needs D) Begins with the conversion of glucose into glucose-6-phosphatearrow_forward
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