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Given the Following Two Reactions and Their Corresponding Equilibrium Constants \circ

question 19

Essay

Given the following two reactions and their corresponding equilibrium constants at 25 \circ C,find Kc for
CN-(aq)+ H2O(  Given the following two reactions and their corresponding equilibrium constants at 25<sup> \circ </sup>C,find K<sub>c</sub> for CN<sup>-</sup>(aq)+ H<sub>2</sub>O(   ) \leftrightarrows  HCN(aq)+ OH<sup>-</sup>(aq). HCN(aq) \leftrightarrows   H<sup>+</sup>(aq)+ CN<sup>-</sup>(aq) K<sub>1</sub> = 6.2  \times 10<sup>-10</sup> H<sub>2</sub>O(   ) \leftrightarrows   H<sup>+</sup>(aq)+ OH<sup>-</sup>(aq) K<sub>2 </sub>= 1.0  \times 10<sup>-14</sup> ) \leftrightarrows HCN(aq)+ OH-(aq).
HCN(aq) \leftrightarrows H+(aq)+ CN-(aq)
K1 = 6.2 ×\times 10-10
H2O(  Given the following two reactions and their corresponding equilibrium constants at 25<sup> \circ </sup>C,find K<sub>c</sub> for CN<sup>-</sup>(aq)+ H<sub>2</sub>O(   ) \leftrightarrows  HCN(aq)+ OH<sup>-</sup>(aq). HCN(aq) \leftrightarrows   H<sup>+</sup>(aq)+ CN<sup>-</sup>(aq) K<sub>1</sub> = 6.2  \times 10<sup>-10</sup> H<sub>2</sub>O(   ) \leftrightarrows   H<sup>+</sup>(aq)+ OH<sup>-</sup>(aq) K<sub>2 </sub>= 1.0  \times 10<sup>-14</sup> ) \leftrightarrows H+(aq)+ OH-(aq)
K2 = 1.0 ×\times 10-14


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