25 POIN TOLONG GUYS CEPAT

x = E C rangkap dua C = 612 kj/mol-¹

y = E C rangkap satu Cl = 331 kj/mol-¹

Entalpi H reaksi = E pereaksi - E produk
= 612 kj/mol-¹ — 331 kj/mol-¹
= 281 kj/mol-¹

Trima kasih.