Draw the resonance structures for the thiocynate ion then calculate the formal charges for the atoms and determine which one is more favorable structure with the explanation.
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We can't until we know what we are working with or on

Answer:

it was spontaneous.

explanation:

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If your on odysseyware i believe the answer would be c. 

The internal energy of the system we can term it as total potential energy and kinetic energy. energy flows out of the surrounding from the system then we can say that the internal energy of the final state is lower than its initials. the sign of  δesystem is negative.δesystem = efinal - einitial=-ve  efinal  ∠einitial.