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At 448°C the equilibrium constant Kc for the reaction given below is 50. If we start with 100M HI, 5M H2, and 10M of Iz in a 100 L container, H2(g) + I2(g) =2HI§) AH=120 kJ d) Determine the Kc value for the following reaction: HI 1/2 H, + 1/2 ,

At 448°C the equilibrium constant Kc for the reaction given below is 50. If we start with 100M HI, 5M H2, and 10M of Iz in a 100 L container, H2(g) + I2(g) =2HI§) AH=120 kJ d) Determine the Kc value for the following reaction: HI 1/2 H, + 1/2 ,

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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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At 448°C the equilibrium constant Kc for the reaction given below is 50. If we start with 100M HI, 5M H2, and 10M of Iz in a 100 L container, H2(g) + I2(g) =2HI§) AH=120 kJ d) Determine the Kc value for the following reaction: HI 1/2 H, + 1/2 ,
Transcribed Image Text:At 448°C the equilibrium constant Kc for the reaction given below is 50. If we start with 100M HI, 5M H2, and 10M of Iz in a 100 L container, H2(g) + I2(g) =2HI§) AH=120 kJ d) Determine the Kc value for the following reaction: HI 1/2 H, + 1/2 ,
Expert Solution
Step 1

The reaction given is 

Chemistry homework question answer, step 1, image 1

Hence the equilibrium constant Kc expression for the above reaction is

Chemistry homework question answer, step 1, image 2

where [HI] = equilibrium concentration of HI

[H2] = equilibrium concentration of H2 

[I2] = equilibrium concentration of I2

Step 2

The reaction for which we have to find equilibrium constant is 

Chemistry homework question answer, step 2, image 1

Hence the equilibrium constant expression for the above reaction i.e Kc (let's say Kc' ) is

Chemistry homework question answer, step 2, image 2

[HI] = equilibrium concentration of HI

[H2] = equilibrium concentration of H2 

[I2] = equilibrium concentration of I2

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