3. Which of the following reactions is unfavorable at low temperatures but becomesfavorable as the temperature increases?2 CO(g) + O2(g) → CO2(g); AH° = -566 kJb. 2 H20(g) → 2 H2(g) + O2(g); AH° = 484 kJc. 2 N20(g) → 2 N2(g) + O2(g); AH° = -164 kJd. 2 B(s) + 3 O2(g) → B2H6(g); AH° = 36 kJ

ΔH (Enthalpy change): Enthalpy represents the total internal energy of the system. The formula to…

Answered: 3. Which of the following reactions is…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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4. Anammox bacteria are known to obtain energy from the anaerobic autotrophic oxidation of one mole of NH4+ with N02- to form one mole of N2. (1) Develop an electron equivalent energy reaction for the anammox organisms. (2) Calculate ΔGr (kJ/1nol) for this reaction. (3) Calculate fs° for the anammox autotrophic reaction, assuming ε =0.4, N02- is the N source, inorganic carbon is the carbon source and Y is in g VSS/g N.
12. Find the ΔH for the reaction below, given the following reactions and subsequent ΔH values: b. FeO(s) + CO(g) ⟶⟶ Fe(s) + CO2(g) ΔH = __________ 3Fe2O3(s) +CO(g) ⟶⟶ 2Fe3O4 +CO2 (g) ΔH = -68.26 kJ Eq 1 Fe2O3(s) + 3CO(g) ⟶⟶ 2Fe(s) + 3 CO2(g) ΔH = -23.44 kJ Eq 2 Fe3O4(s) + CO(g) ⟶⟶ 3FeO(s) + CO2(g) ΔH = +21.79 kJ Eq 3
2. a. Label the following structures as ATP, ADP, AMP, P₁, PPi, or Adenosine. Place your answers in the boxes provided. HO H OH H OH OH O N. H H OH + ATP NH₂ . + ADP 01210 ++++++ O-AMP O O Adenosine *+-+ O 0=210 HO b. Put an "X" in the box for the reaction that is thermodynamically most favorable. OH OPP OPP Adenine + AMP + Adenosine
1:04 O • + Screenshot (11... / Checkpoint Which of the following are redox reactions? A. NH3 + HCI → NH,CI B. SO3 + H,O → H,SO4 C. Fe,03(s) + CO(g) → Fe(s) + CO2(g) For C... "What is reduced? What is oxidized?"
On the energy diagram below, which arrows represent the activation energy? ergy sland Bun bann gran M 1 reaction coordinate 2 3 A. Arrow 1 is the activation energy for both the forward and reverse reactions B. Arrow 1 is the activation energy for the forward reaction and arrow 2 is the activation energy for the reverse reaction C. Arrow 1 is the activation energy for the forward reaction and arrow 3 is the activation energy for the reverse reaction D. Arrow 3 is the activation for the forward reaction and arrow 2 is the activation energy for the reverse reaction
draw the products formed when triacylglycerol is treated with: a. H2O, H+
Classification of flavonoids is based on: Select one: a. The oxidation state of the heterocyclic ring C b. The position of ring B c. The number of oxygen atoms in the cycle d. Two choices are true
3. Show the calculation of (1) the expected grams of alum (KAI(SO4)2 12 H2O) formed from the reaction of 1.4 grams of aluminum metal and then show the calculation of (2) the % yield if the actual yield of alum is 21.31 grams. Overall reaction is shown below: 2 Al + 2 KOH + 10 H2O + 4 H2SO4 →2 KAI(SO4)2 12 H2O + 3 H2(g)T
What is the oxidation state of the metal centres in the [Pt(SCN)2)(NH3)2]3×[Fe(C2O4)3]2 complex? a.Pt(II), Fe(II) b.Pt(II), Fe(III) c.Pt(IV), Fe(II) d.Pt(IV), Fe(III)
Label the following equation. The parentheses represent the choices for each label (A-D). A. (Water, glucose, Carbon dioxide, Oxygen). B. (Water, glucose, Carbon dioxide, Oxygen) C. (Water, glucose, Carbon dioxide, Oxygen) D. (Water, glucose, Carbon dioxide, Oxygen)
Chemistry CO(g) + 3H2(g) ⇌ CH4(g) + H2O(g) Happens @ 300degrees Celsius The equilibrium concentrations of CO, H2, CH4 and H2O are 12.6 Pa, 7.6 Pa 6.06 Pa and 15.5 Pa respectively. The Kp value is 0.017. a) Determine the value of Kc at 300 °C (Gas constant = 8.315 Pa m3 K-1 mol-1) and calculate the Kp value @ 800 degrees Celsius if the equilibrium concentration of CH4 @ 800 degrees Celsius is 4.6 Pa b) What is the forward reaction exothermic or endothermic? Give a reason
1. A reaction in which a substrate is converted to a product is catalyzed by an enzyme. The reaction was determined to have ket = 10,000. s', KM = 90.0 µM, and a standard Gibbs free energy change of -13.8 kJ mol. Answer the following questions about experiments performed with 2.00 nM enzyme. R= 8.3145 J mol K. !3! a) Calculate the change in free energy for this reaction at room temperature (25.0°C) under the following conditions, and indicate whether the forward reaction is favored or not. i. [(S] = 2.00 µM and [P] = 2.00 nM. !! it. [S] = 2.00 uM and (P) = 2.00 uM.

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