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(27) What is the value of the equilibrium constant (Kea) when the following redox reaction takes place at 727"C? Mn (s) + Sn (aq) →Mn" (aq) + Sn² (aq) (A) 2.55 x 10 2.76 x 10¹ 7.62 x 10% 5.23 x 10-15 3.62 x 10-¹9 (8) (C) (D) (E)

(27) What is the value of the equilibrium constant (Kea) when the following redox reaction takes place at 727"C? Mn (s) + Sn (aq) →Mn" (aq) + Sn² (aq) (A) 2.55 x 10 2.76 x 10¹ 7.62 x 10% 5.23 x 10-15 3.62 x 10-¹9 (8) (C) (D) (E)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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(27) What is the value of the equilibrium constant (Kea) when the following redox reaction takes place at 727°C? Mn (s) + Sn (aq) → Mn² (aq) + Sn²+ (aq) (A) 2.55 x 10¹3 (B) 2.76 x 10¹8 (C) 7.62 x 10³ (D) 5.23 x 10-15 (E) 3.62 x 10-19 The most convenient form of the equation for this one might not be on your note sheet. I suggest using: ECELL == RT nF In K (28) An archaeologist claims that a bone in her collection is from a saber-toothed tiger that is believed to have lived 11,000 years ago. Given the half-life of carbon-14 is 5730 years, and the carbon-14 decay rate of living organisms is 15.3 disintegrations per minute per gram, if the archaeologist's claim is valid, what will be the decay rate (in disintegrations per minute per gram) of the bone? (A) 2.23 1.40 4.04 57.9 15.3 10 (B) (C) (D) (E)
Transcribed Image Text:(27) What is the value of the equilibrium constant (Kea) when the following redox reaction takes place at 727°C? Mn (s) + Sn (aq) → Mn² (aq) + Sn²+ (aq) (A) 2.55 x 10¹3 (B) 2.76 x 10¹8 (C) 7.62 x 10³ (D) 5.23 x 10-15 (E) 3.62 x 10-19 The most convenient form of the equation for this one might not be on your note sheet. I suggest using: ECELL == RT nF In K (28) An archaeologist claims that a bone in her collection is from a saber-toothed tiger that is believed to have lived 11,000 years ago. Given the half-life of carbon-14 is 5730 years, and the carbon-14 decay rate of living organisms is 15.3 disintegrations per minute per gram, if the archaeologist's claim is valid, what will be the decay rate (in disintegrations per minute per gram) of the bone? (A) 2.23 1.40 4.04 57.9 15.3 10 (B) (C) (D) (E)
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