Given the reaction 2Fe2+ + O3 + 5H2O -> 2Fe(OH)3 + O2 + 4H+, estimate the loss rate of Fe2+ and production rate of O2 when the rate of loss of O3 is 0.1 μmol/L·min.
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Given the reaction 2Fe2+ + O3 + 5H2O -> 2Fe(OH)3 + O2 + 4H+, estimate the loss
rate of Fe2+ and production rate of O2 when the rate of loss of O3 is 0.1 μmol/L·min.
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- Translate the following reaction completely into English words using no symbols: 4NH3 + 5O2 --> 4NO + 6H2OOne of the many remarkable enzymes in the human body is carbonic anhydrase, which catalyzes the interconversion of carbonic acid with carbon dioxide and water. If it were not for this enzyme, the body could not rid itself rapidly enough of the CO₂2 accumulated by cell metabolism. The enzyme catalyzes the dehydration (release to air) of up to 10 CO₂ molecules per second. Part A Which component of this description corresponds to the term enzyme? Spell out the full name of the enzyme. Submit Part B Request Answer What is the chemical formula for the component of this description that corresponds to the term substrate? Express your answer as a chemical formula. °= | ΑΣΦ 4 Submit Request Answer Part C O A chemical reaction does not occur for this question. ? Which component of this description corresponds to the term turnover number? Express your answer using one significant figure. [Π| ΑΣΦ ? CO₂ molecules per secondName the major organic compound formed by the following reaction: OCH 3 x OCH 3 acid (hydrolysis)
- (b) Which chemicals are listed as hazardous? O HCI O NAOH O CH;CO,H O NaCH;CO2(b) Calculate the pH of 0.0005 mol dm-3 ethanoic acid when its pKa = 4.75 and explain the assumptions made in the calculations CH3COOH(aq) CH3COO-(aq) + H+(aq) Ka = pH =The pyridinium ion (C5H4NH+) is a weak acid (Ka = 5.60 x 10–6). Calculate the pH of a solution that results from adding 1.00 mL of 0.158 M KOH to 27.7 mL of 0.174 M C5H4NH+ solution. The decomposition of a single compound at 378 K has a rate constant of 8.19 x 10-3 M-1 s-1. If the initial concentration of the reactant is 1.478 M, what is the concentration of the reactant after 87.22 seconds? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 12.3 and 120. and -123) If 3.47 grams of silver have been plated on a piece of metal from an AgNO3 solution after 6.95 minutes, what was the current (in amps) used to accomplish this? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3)
- Given the following equilibrium: 2 SO2(g) + O2(g) ↔ 2 SO3(g) + heat State 3 conditions that will favour a high concentration of SO3 at equilibrium.2 NaN3(5) 2 Na(s) + 3 N2(g) --> One of the products of this reaction is nitrogen gas (N2). Look closely: For every one molecule of sodium azide that ignites, how many molecules of gas are formed?Classify each of these reactions. Reaction 2 NaOH(aq) + Pb(CIO3)₂(aq) - C₂H₂(g) + 30₂(g) - 2 AgNO3(aq) + Zn(s) HI(aq) + LiOH(aq) 2 NaC1O3(aq) + Pb(OH)₂ (s) 2 CO₂(g) + 2 H₂O(1) Zn(NO3)₂(aq) + 2 Ag(s) H₂O(1) + Lil(aq) redox Answer Bank acid-base neutralization Type precipitation
- We are designing a new system to disinfect and remove Lf from water in a single step via ozonation and the precipitation of Lf(OH)3 (s) via the following reactions: peo Eho, mv O3 (g) + 2H* + 2e- +→ 02 (9) + H20 35.06 2074 Lf(OH)3(s) + 2H* + e +→ Lf2+ + 3H20 33.87 2005 (a) Write the balanced overall reaction. (b) Calculate the equilibrium constant for the reaction. (c) Ignoring the presence of any complexes, what is the required concentration of O3(g) to decrease the Lf concentration to below 1nM, assuming the pH remains constant at pH = 8 and the dissolved oxygen concentration (DO) is equal to 10 mg/L (Henry's constant for O2 is 769 atm/(mol/L) = 31.4 M/M.Hydrogen bromide is oxidated with manganese(IV) oxide in acidic solution producing bromine & manganese (II) bromide. The sum of stochiometric coefficients in the balanced molecular equation of this rxn is: (a) 5 (b) 7 (c) 9 (d) 11Why is carbon chemistry clearly complex?