

Reacția de descompunere
Presentation
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Chemistry
•
8th Grade
•
Hard
Denisa Dumitru
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9 Slides • 0 Questions
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Reacția de neutralizare
By Denisa Dumitru
2
Introducere
Ce este reacția de neutralizare?
Reacția de schimb dintre un acid și o bază, în urma căreia se formează o sare și apă, se numește reacție de neutralizare.
În același timp, reacția de neutralizarea este una de schimb.
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Pentru ca o reacție de schimb să decurgă până la capăt, în urma reacției trebuie să se obțină un precipitat, să se elimine un gaz sau să se formeze apa.
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Na(OH) + HCl = NaCl + H2O
Solubil + solubil = Solubil
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Reacția cu bazele solubile
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2HCl + Cu(OH)2 = CuCL2 + 2H2O
Solubil + insolubil = Solubil
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Reacția cu bazele insolubile
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Concluzii
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Reacțiile de schimb decurg până la capăt deoarece sunt însoțite de formarea apei.
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Verificare rapidă
Răspunde la întrebări
1. Ce este reacția de neutralizare?
2. În ce constă reacția de schimb
3. Înainte de a arunca în canalizare resturi ce conțin acid clorhidric acestea trebuie neutralizate cu o bază alcalină. Determină bazele
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2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O
BAZĂ insolubilă + ACID TARE
2KOH + H2SO4 = K2SO4 + 2H2O
BAZA alcalină + ACID TARE
Interacțiunea bazelor cu acizii
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9
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Replace this with your body text. Duplicate this text as many times as you would like. All provided templates can be reused multiple times. Wish you a good day.
Happy teaching!
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Reacția de neutralizare
By Denisa Dumitru
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