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κεφ.2ο θερμοχημεία

ενδόθερμες εξώθερμες αντιδράσεις

QuestionAnswer
εξώθερμες αντιδράσεις το σύστημα αποβάλει θερμότητα στο περιβάλλον η ενέργεια (ενθαλπία) του συστήματος μειώνεται Ηαντ>Ηπρο=>Ηπρο-Ηαντ<0 ΔΗ=Ηπρο- Ηαντ, ΔΗ<0
ενδόθερμες αντιδράσεις το σύστημα απορροφά ενέργεια από το περιβάλλον η ενέργεια (ενθαλπία) του συστήματος αθξάνεται Ηαντ<Ηπρο=>Ηπρο-Ηαντ>0 ΔΗ=Ηπρο-Ηαντ, ΔΗ>0
νόμος Lavoisier-Laplace αν αντιστρέψουμε μία αντίδραση η ΔΗ γίνεται αντίθετη
νόμος Hess το ποσό της θερμότητας είναι το ίδιο σε όσα στάδια και αν πραγματοποιήται μια αντίδραση
Created by: SeyaV
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