Given the balanced equation with an unknown compound represented by X, which compound is represented by X? * enzyme C6 H12O6 (aq) 2X + 2CO2 (g)
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Given the balanced equation with an unknown compound represented by X, which compound is represented by X?
Sugars such as glucose, sucrose, fructose, etc., can be converted to alcohol (ethanol) by a biochemical process called ethanol/alcohol fermentation. Alcohol fermentation occurs in yeast in the absence of oxygen. Hence, this process is called an anaerobic process.
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- Consider the following chemical equation whose delta(G) = 9kcal/mol: AC + BD ---> AB + CD what are the reactants and what are the products is this reaction spontaneous? How do you know? Is energy released or consumed by this reaction? If an enzyme, which catalyzes this reaction is added, what will happen to delta (G) If this reaction is coupled to another reaction, whose delta(G) is -12 kcal/mol, what will be the net delta(G) value? will the overall reaction be spontaneousConsider a transition of X → y. assume that the only difference between X and y is the presence of three hydrogen bonds in y that are absent in X. What is the ratio of X to y when the reaction is in equilibrium?When the following equation of a redox reaction in acidic solution is properly balanced, what are the coefficients for Cr2O72–, Fe2+ H+, Cr3+, Fe3+, and H2O, respectively? __Cr2O72– + __Fe2+ + __H+ --> __Cr3+ + __Fe3+ + __H2O (A) 1, 3, 14, 2, 3, 7; (B) 1, 6, 14, 2, 6, 7; (C) 2, 10, 14, 2, 10, 7; (D) 2, 12, 28, 4, 12, 14
- Consider the reaction A + 2B ----> C. If the molar mass of C is twice the molar mass of A, what mass of C is produced by the complete reaction of 10.0 g A?(a) 10.0 g(b) 30.0 g(c) 60.0 gPotassium nitrate is widely used in industries. The reaction for the industrial production of KNO3 is summarized in the equation below; 4KCl + 4 HNO3 + O2 → 4 KNO3 + 2 Cl2 + 2 H2O Which of the following statements below is correct about the production of KNO3? a. A redox reaction; KCl is a reducing agent and O2 is an oxidizing agent b. A redox reaction; HNO3 is a reducing agent and Cl is an oxidizing agent c. Not a redox reaction d. A redox reaction; KCl is a reducing agent and KNO3 is an oxidizing agent e. A redox reaction; HNO3 is a reducing agent and KNO3 is an oxidizing agentFor this reaction: 6CO2 + 6H2O → C6H12O6 + 6O2, the products have 2760 kJ/mole more free energy than the reactants. So, which of the following statements best describes the reaction? a The reaction is endergonic because it converts molecules with less free energy to those with more free energy. b The reaction is exergonic because it converts molecules with less free energy to those with more free energy. c The reaction is exergonic because it converts molecules with more free energy to those with less free energy d The reaction is endergonic because it converts molecules with more free energy to those with less free energy.
- Which concept is illustrated by the reaction shown in the diagram?Shown below are reduction potentials for four half-reactions. Which of the coupled reactions is favorable? (Note that for Cytochrome c you must multiply the reduction potential by 2 for each coupled reaction because only one electron is involved) a) 2 Cytochrome c (Fe3+) + H2O ó 2 Cytochrome c (Fe2+) + O2 b) NADH + Succinate- ó NAD+ + Fumarate- c) Fumarate- + H2O ó Succinate- + O2 d) All of the aboveConsider the following endothermic reaction at equilibrium: H2(g) + Zn2+(aq) ⇌ Zn(s) + 2 H+(aq) Which of the following disturbances will result in the reaction going forward to re-establish equilibrium? (Select all that apply.) None of these Correct Answer Increase temperature at constant pressure. Correct! Add liquid water. Decrease in partial pressure of H2(g). Decrease container volume at constant temperature. Adding the strong acid, HNO3. (Consider any change in solution volume is negligible.) Removing some solid zinc. Adding the soluble salt, magnesium nitrate, Zn(NO3)2. Adding the soluble salt, sodium sulfide, Na2S.
- The following is an example of a _____________________reaction.CH3CH2OH CH2 => CH2 + H2Odiscuss the following statement: “Whether the ΔG for a reaction is larger, smaller, or the same as ΔG° depends on the concentration of the compounds that participate in the reaction.”Give a reaction equation for the qualitative and quantitative determination of I2.