Gaseous Reactions
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1) For a chemical reaction of the type:
2 A = A_2 the equilibrium constant K(T) of the law of mass action at the temperature of 18 degrees C is 0.00017. The total pressure of the gaseous mixture is 1.0 atm. Find the percentage of dissociated molecules.
2) Knowing that the heat of reaction for the reaction considered in the first problem is 50,000 calories/mole, find the degree of dissociation at 19 degrees C and 1.0 atm.
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The expert examines physics in Gaseous Reactions.
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1) 2A A2
Given : K = 0.00017 at T=18 C
P = 1 atm
---this our equation 1
------this is our equation 2
Substitute equation 2 to equation 1
Solve using quadratic equation ...
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