The following stresses are placed on the reaction below. Using Le Chatlier’s principle, predict the direction of the reaction (left, right, unchanged). 2 F2 (g)         +   2 C (s) C2F4 (g)    Exothermic reaction A catalyst is added                                ________________ The temperature is increased                 ________________ The volume is decreased                       ________________ More F2 is added to the vessel               ________________ More C is added to the vessel                ________________

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