khu dân c g n c ố ễ ư� ở ư � � s s n xu t gang thép ở ả ấ BÀI 3 L p các PTHH c

Khu dân c g n c ố ễ ư? ở ư ? ? s s n xu t

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khu dân c g n c ươ ư ơ s s n xu t gang thép. ở ả

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BÀI 3 L p các PTHH c a nh ng ph n ng sau: 1. FeO + Mn Fe + MnO 2. Fe 2 O 3 + CO Fe + CO 2 3. FeO + Si Fe + SiO 2 4. FeO + C Fe + CO t o t o t o t o 3 3 2 2 2 Ph n ng x y ra trong quá trình luy n gang:……… Ph n ng x y ra trong quá trình luy n thép:……… 1,3,4 2
Híng dÉn vÒ nhµ - Làm bài 1,2,3,6 / 63 SGK - Chu n b thí nghi m nhóm: nh h ng c a ưở các ch t trong môi tr ng – Hình 2.19/SGK. ươ - Tìm hi u các bi n pháp b o v các đ v t b ng kim lo i không b ăn mòn.

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Híng dÉn vÒ nhµ PTHH : 3CO + Fe 2 O 3 ––> 2Fe + 3CO 2 m Fe cã trong 1 tÊn gang = 95% x 1 = 0,95 tÊn Tõ PT cø 160 g Fe 2 O 3 ph¶n øng t¹o thµnh 112 g Fe vËy x tÊn Fe 2 O 3 0,95 tÊn Fe mFe 2 O 3 cã trong quÆng = x . 100 / 80 (tÊn) Híng dÉn bµi tËp 6/ 63 t o
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