Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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The equilibrium constant K for the overall reaction that takes place in the cell Pt|Sn2+, Sn4+||Ag+|Ag at 298 K is?
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- Topics: Cells and equilibrium; Competing equilibrium in cells Use general chemistry rules for significant figures. 2. Ecell for the cell below is 0.150 V. [H+] in the anode is unknown but kept constant by a buffer consisting of 0.10 F HA and 0.10 F A– . (These components are not shown in the cell notation but are present in the anode nonetheless.) Pt(s) | H+ (? M) | H2(g) (1.00 atm) || H+ (1.00 M) | H2(g) (1.00 atm) | Pt(s) Find the pH of the buffer and Ka for the monoprotic weak acid HA.arrow_forward6. Fill in the following table. Hint: the cell diagram as written contains spectator ions! Once you've picked them out, do NOT include them in the net ion equation. Ag(s), Ag:CrO4(s) | Na₂CrO4(aq) (2.00 M) | Mn(NO³)2(aq) (0.100 M), HNO:(aq) (2.00 M) | MnO₂(s) ** Ag:CrO4(s) + 2c¯ → Ag(s) + CrO² (aq) &°red=+0.45 V Net ionic equation: cell: Q: Ecell: Oxidizing agent:arrow_forwardWrite the equilibrium constant expression for this reaction: 2Li*(aq) +Co (aq) Li,CO,(s) X log, cos, K =arrow_forward
- Calculate K for the following reaction at 50 oC: 2 Li(s) + Ba2+(aq) ---> 2 Li+ + Ba(s) (need to calculate Ecell)arrow_forward7. The separate samples of nitric and acetic acids are both titrated with a 0.100 M solution of NaOH(aq). (Y) 25.0mL of 1.0 M HNO3(aq) (Z) 25.0 mL of 1.0 M CH3COOH(aq) Determine whether each of the following statements concerning this titration is true or false. (A) A larger volume of NaOH(aq) is needed to reach the equivalence point in the titration of HNO3 (B) The pH at the equivalence point in the HNO3 titration will be lower than the pH at the equivalence point in the CH3COOH titration (C) Phenolphthalein would be a suitable indicator for both titrations Group of answer choices a.) A) False B) True C) True b.) A) False B) False C) True c.) A) False B) True C) False d.) A) True B)True C)Truearrow_forwardCalculate AG° and K for the following reactions. Ag(S2O3)2* + Fe(CN)6* + Ag(s) + 2S20;? + Fe(CN)6*arrow_forward
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