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Given the standard reduction potentials below:  Half Rea…

Given the standard reduction potentials below:  Half Reaction E° red (V) Ag+ (aq)  + e–  →  Ag (s)  +0.80 Fe3+ (aq)  +   e–  → Fe2+ (aq)   +0.77 Cu2+ (aq)  + 2 e–  → Cu (s)    +0.34 Sn4+ (aq) + 2 e–  → Sn2+ (aq)   +0.15 2H+ (aq) + 2 e–  →  H2 (g)  0.00 Pb2+ (aq) + 2 e –  → Pb (s)  –0.13 Sn2+ (aq)  +  2 e–  → Sn (s)  –0.14 Ni2+ (aq) + 2 e –  → Ni (s)   –0.28 Cd2+ (aq) + 2 e –  → Cd (s)   –0.40 Fe2+ (aq) + 2 e –  → Fe (s) –0.44 Cr3+ (aq) + 3 e– →  Cr (s)      –0.74 Zn2+ (aq) + 2 e –  → Zn (s)  –0.76 Al3+ (aq) + 3 e– →  Al (s) –1.66   Which of the following substances would be the weakest oxidizing agent?  

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Consider the following voltaic cell with the overall cell re…

Consider the following voltaic cell with the overall cell reaction: Zn (s)   +   2 H+ (g)  ⟶ Zn2+ (g)   +    H2 (g) If the pressure of H2 gas is decreased in the cathode cell, the value of Q will                  and the value of Ecell will                   .

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Consider the following titration curve graphs:   Which plo…

Consider the following titration curve graphs:   Which plot shows the pH curve expected when NH3 is titrated by HNO3 ?

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The diagrams here represent solutions at various stages in t…

The diagrams here represent solutions at various stages in the titration of a weak base B (such as NH3) with HCl. Which image best represents the solution at the initial stage before the addition of HCl?                                                                   

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Consider a working voltaic cell based on the following redox…

Consider a working voltaic cell based on the following redox reaction:    

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If a reaction has a  ΔG = 0, this indicates that:

If a reaction has a  ΔG = 0, this indicates that:

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A 0.085 M solution of acetic acid (CH3COOH)  has a pH of 2.5…

A 0.085 M solution of acetic acid (CH3COOH)  has a pH of 2.55. What is the percent ionization of this solution?

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For the elementary reaction 2 NO (g)   →   N2O2(g)     the…

For the elementary reaction 2 NO (g)   →   N2O2(g)     the molecularity of the reaction is                           , and the rate law is, rate =                         .

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Consider the following aqueous reaction between ammonia (NH3…

Consider the following aqueous reaction between ammonia (NH3) and formic acid (HCOOH): NH4+ (aq)  + HCOO─ (aq)   ⇌    NH3 (aq)  +  HCOOH (aq)   Identify the stronger acid and predict whether the equilibrium lies to the left or to the right? Hint: The Ka of HCOOH is 1.8 x 10─4 Hint: The Ka of NH4+ is 5.5 x 10─10

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A 0.025 M solution of acetic acid (CH3COOH)  has a pH of 2.9…

A 0.025 M solution of acetic acid (CH3COOH)  has a pH of 2.98. What is the percent ionization of this solution?

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