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July 23, 2014

Homework Help: chemistry

Posted by cateye on Monday, April 23, 2012 at 8:22am.

following equilibrium system with a Kc of 1.23E-03:

C3H6O (aq) + 2C2H6O (aq)--> C7H16O2 (aq) + 2H2O (l)
pleas check to see I answer these correclty..

1.Is this an endothermic- or exothermic reaction, as written?answer: Exothermic

2.How would the equilibrium shift if the pressure of the system were doubled?answer: To the left

3.How would the equilibrium shift if C7H16O2 were added?answer: To the right

4.How would the equilibrium shift if the system were cooled? answer: No change

5.What would the Kc be for the reverse equilibrium? That is, for:C7H16O2 (aq) + 2H2O (l)---> C3H6O (aq) + 2C2H6O (aq). answer:813

6.For the reverse equilibrium, as depicted in #24, is this an endo- or exothermic process?answer:endothermic

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