hợp chất x tạo bởi kim loại m

... Giặt bằng x phòng trong nước cứng sẽ tạo ra các muối không tan, các chất này b m trên bề m t vải sợi l m quần áo mau m c nát. - Nước cứng gây tác hại cho các nghành sản xuất, như tạo ra các ... sản xuất xi m ng, đất đèn, chất độn cho vật liệu cao su 3. Canxi sunfat, CaSO 4 a. Tính chất: - Canxi sunfat là chất rắn, m u trắng, ít tan trong nước. - Tuỳ theo lượng nước kết tinh trong muối ... sự x m thực của nước m a đối với đá vôi. Chiều (2): giải thích sự tạo thành thạch nhũ trong các hang động, sự tạo thành cặn đá vôi trong m đun nước. b. Ứng dụng: CaCO 3 dùng l m vật liệu x y...

Ngày tải lên: 11/12/2013, 19:15

... dầu m b m trên chi tiết m y trước khi sơn, tráng kim loại M T SỐ HỢP CHẤT QUAN TRỌNG CỦA KIM LOẠI KI M Thứ bảy, 01 Tháng 8 2009 06:53 Thầy Trung Hiếu I. NATRI HIĐROXIT, NaOH 1. Tính chất: - ... dịch axit: Tạo muối và nước. NaOH + HCl → NaCl + H 2 O c. Tác dụng với oxit axit: tạo muối trung hoà hoặc muối axit. NaOH + CO 2 →NaHCO 3 2NaOH + CO 2 →Na 2 CO 3 + H 2 O d. Tác dụng với kim loại, ... Al(OH) 3 → Na[Al(OH) 4] e. Tác dụng với dung dịch muối: Tạo muối m i và bazơ m i 2NaOH + CuSO 4 → Na 2 SO 4 + Cu(OH) 2 f. Tác dụng với m t số phi kim: 2NaOH + Cl 2 →NaCl + NaClO + H 2 O 2. Điều...

Ngày tải lên: 11/12/2013, 19:15

... sunfua kim loại thành oxit kim loại. Sau đó khử oxit kim loại bằng chất khử thích hợp. + Đối với những kim loại khó nóng chảy nhuwCr, người ta dùng Al l m chất khử. + Với những kim loại k m hoạt ... kim loại ki m: - 2MX 2M + X 2 Hoặc điện phân nóng chảy các hiđroxit kim loại ki m Điều Chế Kim Loại Chủ nhật, 12 Tháng 7 2009 19:45 Thầy Trung Hiếu I. NGUYÊN TÁC ĐIỀU CHẾ KIM LOẠI Khử ion kim ... không bị ăn m n - Kim loại Mg được dung để chế tạo những hợp kim có đặc tính cứng, nhẹ, bền Bột Mg trộn với chất oxi hoá dung để chế tạo chất chiếu sáng ban đ m. - Kim loại Ca dung l m chất khử...

Ngày tải lên: 05/07/2014, 09:20

... TÍNH CHẤT HÓA HỌC CỦA HỢP CHẤT KIM LOẠI KI M, KIM LOẠI KI M THỔ. Kim loại ki m (Li, Na, K,Rb, Cs) Kim loại ki m thổ (Be, Mg,Ca,Sr,Ba) Hidroxit Muối Câu 7: nung x mol Fe trong không khí m t ... thành Fe 2 + b Cu kim loại có oxihoá k m hơn sắt kim loại c Cu kim loại có tính khử m nh hơn sắt kim loại d Fe kim loại bị Cu đẩy ra khỏi dung dịch muối Câu 31/ Cho m t m nh Ba kim loại dư vào dung ... kim loại ki m và kim loại ki m thổ. – Viết các PTHH so sánh tính khử m nh của kim loại ki m với kim loại ki m thổ; so sánh tính baz của oxit, hidroxit cũng như tính chất hóa học của m t số muối...

Ngày tải lên: 05/07/2014, 16:20

... 6: KIM LOẠI KI M, KIM LOẠI KI M THỔ, NH M. Bài 25 : Kim loại ki m và hợp chất quan trọng của kim loại ki m A . M c tiêu 1. Kiến thức . +Học sinh n m được vị trí, cấu tạo nguyên tử ,tính chất ... khử m nh của kim loại ki m . 2. Kĩ năng . + Rèn cho học sinh cách l m thí nghi m đơn giản về kim loại ki m. + Tập cho học sinh cách nhận biết kim loại ki m . + Giải bài tập về kim loại ki m 3. ... chất của kim loại ki m + Học sinh biết được tính chất ứng dụng của m t số hợp chất quan trọng của kim loại ki m . + Học sinh biết được nguyên tắc và phương pháp điều chế kim loại ki m . + Học...

Ngày tải lên: 05/07/2014, 19:20

... – KIM LOẠI KI M THỔ - NH M Bài 25. KIM LOẠI KI M VÀ HỢP CHẤT QUAN TRỌNG CỦA KIM LOẠI KI M A. KIM LOẠI KI M B. M T SỐ HỢP CHẤT QUAN TRỌNG CỦA KIM LOẠI KI M IV – ỨNG DỤNG, TRẠNG THÁI THIÊN NHIÊN ... Nấu x phòng, chế ph m nhu m, tơ nhân tạo, tinh chế quặng nh m trong công nghiệp luyện nh m và dùng trong công nghiệp chế biến dầu m . Chương 6. KIM LOẠI KI M – KIM LOẠI KI M THỔ - NH M Bài ... ki m có năng lượng ion hoá nhỏ, vì vậy kim loại ki m có tính khử rất m nh. Tính khử tăng dần từ Li → Cs. M - 1e - → M + + Là kim loại có tính khử m nh nhất trong các kim loại. + Trong các hợp...

Ngày tải lên: 19/07/2014, 06:00

... Tiết 42 : KIM LOẠI KI M V HỢP CHẤT QUAN TRỌNG CỦA KIM LOẠI KI M (T2) I. M C TIU: 1. Kiến thức: HS biết được tính chất và ứng dụng m t số hợp chất quan trọng của kim loại ki m. 2. Kĩ ... 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... ki m. 2. Kĩ năng: - L m một số thí nghi m đơn giản về hợp chất của kim loại ki m. - Giải bi tập về hợp chất của kim loại ki m. 3. Thái độ: Cẩn thận trong cc thí nghi m hố học. II. CHUẨN...

Ngày tải lên: 24/07/2014, 17:22

... – Tiết 43 : KIM LOẠI KI M THỔ V HỢP CHẤT QUAN TRỌNG CỦA KIM LOẠI KI M THỔ (T1) I. M C TIU: 1. Kiến thức: HS biết: - Vị trí, cấu tạo nguyn tử, tính chất của kim loại ki m thổ. - Nguyên ... tính chất vật lí của kim loại ki m thổ như bên.  GV ?: Theo em, vì sao tính chất vật lí của cc kim loại ki m thổ lại biến đổi không theo m t quy luật nhất định giống như kim loại ki m ? ... 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/m6 Pf75+fnV0+bzWZRFEVRtNvtRqNhP6AWAFALVOFP3a1fM03T4XDY7XZbrZYNw5/hnUgAwAZYpEKWZU+ePLEN+GPqVgAA3LqVb2cdHR1dXFwsfr54G1Kn08myzNuQQC0AAFttPB5fXFzkeT4YDF6+fOkdR3DnfG4BYAvOeuc8G6Isy/v379fr/jcT1AIAagGAv5tPOQMAAGoBAABQCwAAgFoAAADUAgAAoBYAAAC1AAAAqAUAAEAtAAAAagEAAFALAACAWgAAAFALAACAWgAAANQCAACgFgAAALUAAACoBQAAQC0AAABqAQAAUAsAAIBaAAAA1AIAAKAWAAAA1AIAAKAWAAAAtQAAAKgFAABALQAAAGoBAABQCwAAgFoAAADUAgAAoBYAAAC1AAAAqAUAAAC1AAAAqAUAAEAtAAAAagEAAFALAACAWgAAANQCAACgFgAAALUAAACoBQAAQC0AAACoBQAAQC0AAABqAQAAUAsAAIBaA...

Ngày tải lên: 24/07/2014, 17:22

... bản – Tiết 44 : KIM LOẠI KI M THỔ V HỢP CHẤT QUAN TRỌNG CỦA KIM LOẠI KI M THỔ (T2) I. M C TIU: 1. Kiến thức: HS biết: Nước cứng là gì ? Nguyn tắc v cc phương pháp l m m m nước cứng. ... 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Ngày tải lên: 24/07/2014, 17:22

... học minh hoạ tính chất hoá học của kim loại ki m và m t số hợp chất của chúng, viết sơ đồ điện phân điều chế kim loại ki m.  Tính thành phần phần tr m về khối lượng muối kim loại ki m trong ... ki m trong hỗn hợp phản ứng. B. Trọng t m  Đặc đi m cấu tạo nguyên tử kim loại ki m và các phản ứng đặc trưng của kim loại ki m  Phương pháp điều chế kim loại ki m  Tính chất hoá học cơ ... Bài m i: HOẠT ĐỘNG CỦA THẦY VÀ TRÒ NỘI DUNG KIẾN THỨC Hoạt động 1  GV cho HS quan sát m t m u B. M T SỐ HỢP CHẤT QUAN TRỌNG CỦA KIM LOẠI KI M I – NATRI HIĐROXIT 1. Tính chất...

Ngày tải lên: 11/08/2014, 08:22

... tr m về khối lượng muối trong hỗn hợp phản ứng. B. Trọng t m  Đặc đi m cấu tạo nguyên tử kim loại ki m thổ và các phản ứng đặc trưng của kim loại ki m thổ  Phương pháp điều chế kim loại ... 85,49% & 14,51% D.17,6% & 82,4% 4. Cho 2 g m t kim loại nh m IIA tác dụng hết với dung dịch HCl tạo ra 5,55g muối clorua. Kim loại đó là kim loại nào sau đây ? A. Be B. Mg C. Ca ... giống như kim loại ki m ? loại ki m thổ tuy có cao hơn các kim loại ki m nhưng vẫn tương đối thấp. - Khối lượng riêng nhỏ, nhẹ hơn nh m (trừ Ba). Độ cứng cao hơn các kim loại ki m nhưng vẫn...

Ngày tải lên: 11/08/2014, 08:22

Ngày tải lên: 11/08/2014, 08:22

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Ngày tải lên: 08/11/2014, 00:20

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