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Equilibrium constant reaction

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The equilibrium constant for a gas phase reaction is measured at two temperatures. At 100 degrees Celsius, the equilibrium constant is 36. At 200 degrees Celsius, the equilibrium constant is 147. Which of the following statements is correct for this equilibrium?

a. the reaction is first order

b. the reaction is endothermic

c. the reaction is exothermic

d. each reactant molecule decomposes into two or more product molecules

e. both c and d are correct

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The equilibrium constant for a gas phase reaction is measured at two temperatures. At 100 degrees Celsius, the equilibrium constant is ...

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