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elena17051305y
@elena17051305y
December 2021
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Взаимодействие бериллия с хлором протекает по уравнению реакции:
Ве(тв)+Cl2(r)=BeCl2(тв)+494кДж.
Определить тепловые эффекты реакции:
а) 3Ве(тв)+3Cl2(r)=3BeCl2(тв).
б)ВеСl2(тв)=Ве(тв)+Cl2(r).
в) 1/2Ве(тв)+1/2Cl2(r)=1/2BeCl2(тв).
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