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April 19, 2014

Homework Help: chem

Posted by HEATHER on Wednesday, February 1, 2012 at 9:26pm.

1) When a mixture of potassium chlorate and an appropriate catalyst is heated in an open test tube, potassium chloride and oxygen gas are produced. This reaction is not reversible, because

a. the system reaches equilibrium
b. the reaction does not go to completion
c. the system is closed
d. the oxygen escapes

2) What happens to a reaction at equilibrium when a product concentration is decreased?

a. the reaction makes more products
b. the reaction makes more reactants
c. the reaction is unchanged
d. it is impossible to tell

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