Question: Consider this reaction: H2CO3 (aq) →H2O (aq) + CO2 (aq) At a certain temperature it obeys this rate law. rate = (2.23 s-1) [H2CO3] Suppose a vessel contains H2CO3 at a concentration of 0.920 M. Calculate the concentration of H2CO3 in the vessel 0.430 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits.

Science Chemistry Chemistry questions and answers In each of the following equations, identify the acid (proton donor) and base (proton acceptor) for the reactants. Which one is correct answer? H2CO3 (aq)+H2O (l)←−→H3O+ (aq)+HCO3− (aq) a)acid (proton donor) H2O, base (proton acceptor) H2CO3 b)acid (proton donor) H2CO3, base (proton ...

Question: HCO3 ^-1 (aq) + HF (aq) ⇌ H2CO3 (aq) + F ^-1 ( aq) A.) Identify each species above as an acid or base, and identify the conjugate acid-base pairs. B.) Identify the proton (H+1) donors and acceptors, as well as the electron pair (2e-1) acceptors and donors, on both sides of the reaction. (2 pts) C.) Determine which acid is stronger and which base

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Will it shift toward products or reactants? Explain. 6. How would increasing the pH influence the [CO 2 (g)]? Explain using Reactions A and D and Le Chatelier’s Principle. 7. Consider the following reaction: CO 32- (aq) + H 2 O (l) HCO 3- (aq) + OH - (aq) What is the pH of a 0.555 M solution of Na 2 CO 3 (aq)? 8.

Consider the following acidic equilibrium: H2CO3 (aq) + H2O (l) = HCO3- (aq) + H3O+ (aq). If you add NaHCO3 to this solution, which of the following will occur? A) The reaction quotient will decrease. B) The reaction will shift in the reverse direction. C) …

The Ka value for the equilibrium reaction: H2CO3 (aq) ⇌ H+ (aq) + HCO3- (aq) is a measure of the strength of the weak acid H2CO3. The exact value of Ka will depend on the temperature and ...

Question: Write the equilibrium constant expression for this reaction: H2CO3 (aq)2H (aq)+CO3 (aq)

Question: For the reaction H+ (aq) + HCO3- (aq) ↔ H2CO3 (aq), if the reaction is at equilibrium, which conditions must be maintained? A. [H2CO3] > [H+] [HCO3-] B ...

Question: H2CO3 (aq) → H20 (aq) + CO2 (aq) + He fills a reaction vessel with H2CO3 and measures its concentration as the reaction proceeds: time (minutes) [H,C03] 0 1.00M 1.0 0.505M 2.0 0.255 M 3.0 0.128M 4.0 0.0648M Use this data to answer the following questions.