Open Question: What does K represent in the relationship delta S total = R ln K? Kc or Kp?
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Le Quang Member since:January 26, 2011Total points:75 (Level 1)The relationship between the equilibrium constant and the total entropy change is:
delta S total = R ln K
while "delta S total" is the total entropy change, R is the gas constant and K is the equilibrium constant. However, for gaseous reactions, K can be both Kc or Kp, and these 2 values can be different. So which one should I use for the relationship above? Surely Kc is different from Kp, but the delta S total can't have 2 different values right? Thus there must be only one K which can be used.
This is A-level chemistry, Edexcel. Please help.Answer QuestionBe the first to answer this question.
Le Quang Member since:January 26, 2011Total points:75 (Level 1)The relationship between the equilibrium constant and the total entropy change is: delta S total = R ln K
while "delta S total" is the total entropy change, R is the gas constant and K is the equilibrium constant. However, for gaseous reactions, K can be both Kc or Kp, and these 2 values can be different. So which one should I use for the relationship above? Surely Kc is different from Kp, but the delta S total can't have 2 different values right? Thus there must be only one K which can be used.
This is A-level chemistry, Edexcel. Please help.Answer QuestionBe the first to answer this question.
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