Page 16 - Kimya 11 | Çalışma Defteri

P. 16

Açık Uçlu Sorular

C) Bulduğunuz sonuçları değerlendirerek tepkimenin ekzotermik veya endotermik olduğunu belirtiniz.
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Ç) Girenlerdeki ve ürünlerdeki bağ enerjilerinin tepkime entalpisine etkisini açıklayınız.

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3. I. 2C(k) + 2H₂(g) → C₂H₄(g) ∆Ho= +52 kJ

II. CO₂(g) → C(k) + O₂(g) ∆Ho= +393 kJ
III. H₂(g) + ½ O₂(g) → H₂O(g) ∆Ho= -242 kJ

Yukarıda bazı tepkimeler ve entalpi değişimleri verilmiştir.

Buna göre C₂H₄ (eten) gazının standart şartlarda molar yanma entalpisi kaç kJ’dür?

ORTAÖĞRETİM 16 KİMYA-11
GENEL MÜDÜRLÜĞÜ

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