{"id":567276,"date":"2026-07-23T09:32:13","date_gmt":"2026-07-23T02:32:13","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=567276"},"modified":"2026-07-23T09:38:55","modified_gmt":"2026-07-23T02:38:55","slug":"can-bang-phuong-trinh-hoa-hoc","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/can-bang-phuong-trinh-hoa-hoc\/","title":{"rendered":"C\u00e1ch c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc nhanh v\u00e0 ch\u00ednh x\u00e1c"},"content":{"rendered":"

C\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc<\/b> l\u00e0 vi\u1ec7c th\u00eam c\u00e1c h\u1ec7 s\u1ed1 th\u00edch h\u1ee3p v\u00e0o tr\u01b0\u1edbc c\u00f4ng th\u1ee9c c\u1ee7a c\u00e1c ch\u1ea5t, sao cho s\u1ed1 nguy\u00ean t\u1eed c\u1ee7a m\u1ed7i nguy\u00ean t\u1ed1 \u1edf hai v\u1ebf c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh b\u1eb1ng nhau, tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng. \u0110\u00e2y l\u00e0 k\u1ef9 n\u0103ng b\u1eaft bu\u1ed9c c\u1ee7a H\u00f3a h\u1ecdc l\u1edbp 8 v\u00e0 theo b\u1ea1n su\u1ed1t c\u00e1c l\u1edbp tr\u00ean. N\u1ebfu b\u1ea1n th\u01b0\u1eddng l\u00fang t\u00fang v\u00ec ph\u01b0\u01a1ng tr\u00ecnh c\u1ee9 l\u1ec7ch nguy\u00ean t\u1eed, \u0111\u1eebng lo: ch\u1ec9 c\u1ea7n n\u1eafm \u0111\u00fang th\u1ee9 t\u1ef1 c\u00e1c b\u01b0\u1edbc v\u00e0 m\u1ed9t v\u00e0i ph\u01b0\u01a1ng ph\u00e1p quen thu\u1ed9c, b\u1ea1n s\u1ebd c\u00e2n b\u1eb1ng nhanh v\u00e0 ch\u00ednh x\u00e1c. Khi gi\u1ea3i b\u00e0i to\u00e1n t\u00ednh l\u01b0\u1ee3ng ch\u1ea5t sau ph\u1ea3n \u1ee9ng, b\u1ea1n th\u01b0\u1eddng ph\u1ea3i k\u1ebft h\u1ee3p v\u1edbi n\u1ed3ng \u0111\u1ed9 mol<\/a> c\u1ee7a dung d\u1ecbch. N\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y l\u00fd do ph\u1ea3i c\u00e2n b\u1eb1ng, c\u00e1c b\u01b0\u1edbc, t\u1eebng ph\u01b0\u01a1ng ph\u00e1p c\u00f3 l\u1eddi gi\u1ea3i chi ti\u1ebft, b\u1ea3ng so s\u00e1nh, l\u1ed7i hay m\u1eafc v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng.<\/p>\n

V\u00ec sao ph\u1ea3i c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc?<\/b><\/h2>\n

C\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 c\u00e1ch b\u1ea3o \u0111\u1ea3m ph\u1ea3n \u1ee9ng tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng. Theo \u0111\u1ecbnh lu\u1eadt n\u00e0y, trong m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, c\u00e1c nguy\u00ean t\u1eed kh\u00f4ng t\u1ef1 sinh ra hay m\u1ea5t \u0111i m\u00e0 ch\u1ec9 li\u00ean k\u1ebft l\u1ea1i v\u1edbi nhau theo c\u00e1ch kh\u00e1c. V\u00ec v\u1eady, t\u1ed5ng s\u1ed1 nguy\u00ean t\u1eed c\u1ee7a m\u1ed7i nguy\u00ean t\u1ed1 tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng ph\u1ea3i b\u1eb1ng nhau. C\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh ch\u00ednh l\u00e0 b\u1ea3o \u0111\u1ea3m nguy\u00ean t\u1eafc n\u00e0y: s\u1ed1 nguy\u00ean t\u1eed m\u1ed7i nguy\u00ean t\u1ed1 \u1edf v\u1ebf tr\u00e1i ph\u1ea3i b\u1eb1ng s\u1ed1 nguy\u00ean t\u1eed nguy\u00ean t\u1ed1 \u0111\u00f3 \u1edf v\u1ebf ph\u1ea3i.<\/p>\n

\"can-bang-phuong-trinh-hoa-hoc-4\"<\/p>\n

C\u00e1c b\u01b0\u1edbc c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc<\/b><\/h2>\n

Quy tr\u00ecnh c\u00e2n b\u1eb1ng g\u1ed3m ba b\u01b0\u1edbc r\u00f5 r\u00e0ng, \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c cho h\u1ea7u h\u1ebft ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n:<\/p>\n

    \n
  • B\u01b0\u1edbc 1: Vi\u1ebft s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng, g\u1ed3m c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ch\u1ea5t tham gia ph\u1ea3n \u1ee9ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u1ea1o th\u00e0nh.<\/li>\n
  • B\u01b0\u1edbc 2: C\u00e2n b\u1eb1ng s\u1ed1 nguy\u00ean t\u1eed c\u1ee7a t\u1eebng nguy\u00ean t\u1ed1 b\u1eb1ng c\u00e1ch t\u00ecm v\u00e0 th\u00eam h\u1ec7 s\u1ed1 th\u00edch h\u1ee3p \u0111\u1eb7t tr\u01b0\u1edbc c\u00e1c c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc, sao cho s\u1ed1 nguy\u00ean t\u1eed c\u1ee7a m\u1ed7i nguy\u00ean t\u1ed1 \u1edf hai v\u1ebf b\u1eb1ng nhau.<\/li>\n
  • B\u01b0\u1edbc 3: Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc ho\u00e0n ch\u1ec9nh v\u1edbi c\u00e1c h\u1ec7 s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng ch\u00ednh x\u00e1c, ki\u1ec3m tra l\u1ea1i t\u1eebng nguy\u00ean t\u1ed1 \u1edf hai v\u1ebf v\u00e0 r\u00fat g\u1ecdn h\u1ec7 s\u1ed1 v\u1ec1 s\u1ed1 nguy\u00ean t\u1ed1i gi\u1ea3n.<\/li>\n<\/ul>\n

    C\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00e2n b\u1eb1ng th\u01b0\u1eddng d\u00f9ng<\/b><\/h2>\n

    T\u00f9y \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a ph\u1ea3n \u1ee9ng, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn m\u1ed9t trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn sau. V\u1edbi ph\u01b0\u01a1ng tr\u00ecnh \u0111\u01a1n gi\u1ea3n, ph\u01b0\u01a1ng ph\u00e1p ch\u1eb5n \u2013 l\u1ebb v\u00e0 b\u1ed9i chung nh\u1ecf nh\u1ea5t l\u00e0 nhanh nh\u1ea5t; v\u1edbi ph\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed ph\u1ee9c t\u1ea1p, ph\u01b0\u01a1ng ph\u00e1p th\u0103ng b\u1eb1ng electron m\u1edbi x\u1eed l\u00fd g\u1ecdn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n\n\n\n\n\n
    Ph\u01b0\u01a1ng ph\u00e1p<\/th>\nNguy\u00ean t\u1eafc<\/th>\nPh\u00f9 h\u1ee3p v\u1edbi<\/th>\n<\/tr>\n<\/thead>\n
    Ch\u1eb5n \u2013 l\u1ebb<\/td>\nN\u1ebfu m\u1ed9t nguy\u00ean t\u1ed1 c\u00f3 s\u1ed1 nguy\u00ean t\u1eed l\u1ebb \u1edf m\u1ed9t v\u1ebf, ch\u1eb5n \u1edf v\u1ebf kia th\u00ec nh\u00e2n \u0111\u00f4i \u0111\u1ec3 l\u00e0m ch\u1eb5n r\u1ed3i c\u00e2n b\u1eb1ng ti\u1ebfp.<\/td>\nPh\u1ea3n \u1ee9ng \u0111\u01a1n gi\u1ea3n, \u00edt ch\u1ea5t.<\/td>\n<\/tr>\n
    B\u1ed9i chung nh\u1ecf nh\u1ea5t<\/td>\nL\u1ea5y b\u1ed9i chung nh\u1ecf nh\u1ea5t s\u1ed1 nguy\u00ean t\u1eed c\u1ee7a nguy\u00ean t\u1ed1 xu\u1ea5t hi\u1ec7n nhi\u1ec1u nh\u1ea5t \u0111\u1ec3 suy ra h\u1ec7 s\u1ed1.<\/td>\nPh\u1ea3n \u1ee9ng t\u1ea1o oxit, mu\u1ed1i.<\/td>\n<\/tr>\n
    \u0110\u1ea1i s\u1ed1<\/td>\n\u0110\u1eb7t \u1ea9n s\u1ed1 cho c\u00e1c h\u1ec7 s\u1ed1, l\u1eadp h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh theo s\u1ed1 nguy\u00ean t\u1eed m\u1ed7i nguy\u00ean t\u1ed1 r\u1ed3i gi\u1ea3i.<\/td>\nPh\u01b0\u01a1ng tr\u00ecnh kh\u00f3, nhi\u1ec1u ch\u1ea5t.<\/td>\n<\/tr>\n
    Th\u0103ng b\u1eb1ng electron<\/td>\nC\u00e2n b\u1eb1ng s\u1ed1 electron nh\u01b0\u1eddng b\u1eb1ng s\u1ed1 electron nh\u1eadn gi\u1eefa ch\u1ea5t kh\u1eed v\u00e0 ch\u1ea5t oxi h\u00f3a.<\/td>\nPh\u1ea3n \u1ee9ng oxi h\u00f3a \u2013 kh\u1eed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \"can-bang-phuong-trinh-hoa-hoc-3\"<\/p>\n

    V\u00ed d\u1ee5 minh h\u1ecda c\u00f3 l\u1eddi gi\u1ea3i t\u1eebng b\u01b0\u1edbc<\/b><\/h2>\n

    Ba v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y minh h\u1ecda c\u00e1ch \u00e1p d\u1ee5ng t\u1eebng ph\u01b0\u01a1ng ph\u00e1p, gi\u1ea3i chi ti\u1ebft \u0111\u1ec3 b\u1ea1n theo d\u00f5i \u0111\u01b0\u1ee3c c\u00e1ch suy ra h\u1ec7 s\u1ed1.<\/p>\n

    V\u00ed d\u1ee5 1 \u2013 ph\u01b0\u01a1ng ph\u00e1p ch\u1eb5n \u2013 l\u1ebb: H\u2082 + O\u2082 \u2192 H\u2082O.<\/b><\/p>\n

      \n
    • V\u1ebf ph\u1ea3i c\u00f3 1 nguy\u00ean t\u1eed O (s\u1ed1 l\u1ebb), v\u1ebf tr\u00e1i O\u2082 c\u00f3 2 (s\u1ed1 ch\u1eb5n). Ta nh\u00e2n \u0111\u00f4i H\u2082O \u0111\u1ec3 O \u1edf v\u1ebf ph\u1ea3i th\u00e0nh ch\u1eb5n: H\u2082 + O\u2082 \u2192 2H\u2082O.<\/li>\n
    • L\u00fac n\u00e0y v\u1ebf ph\u1ea3i c\u00f3 4 H, n\u00ean \u0111\u1eb7t h\u1ec7 s\u1ed1 2 tr\u01b0\u1edbc H\u2082: 2H\u2082 + O\u2082 \u2192 2H\u2082O.<\/li>\n
    • Ki\u1ec3m tra: hai v\u1ebf \u0111\u1ec1u c\u00f3 4 H v\u00e0 2 O. K\u1ebft qu\u1ea3: 2H\u2082 + O\u2082 \u2192 2H\u2082O<\/b>.<\/li>\n<\/ul>\n

      V\u00ed d\u1ee5 2 \u2013 ph\u01b0\u01a1ng ph\u00e1p b\u1ed9i chung nh\u1ecf nh\u1ea5t: Fe + O\u2082 \u2192 Fe\u2082O\u2083.<\/b><\/p>\n

        \n
      • Nguy\u00ean t\u1ed1 O c\u00f3 2 (v\u1ebf tr\u00e1i) v\u00e0 3 (v\u1ebf ph\u1ea3i). B\u1ed9i chung nh\u1ecf nh\u1ea5t c\u1ee7a 2 v\u00e0 3 l\u00e0 6, n\u00ean \u0111\u1eb7t 3O\u2082 (6 O) v\u00e0 2Fe\u2082O\u2083 (6 O).<\/li>\n
      • V\u1ebf ph\u1ea3i gi\u1edd c\u00f3 4 Fe, n\u00ean \u0111\u1eb7t h\u1ec7 s\u1ed1 4 tr\u01b0\u1edbc Fe: 4Fe + 3O\u2082 \u2192 2Fe\u2082O\u2083.<\/li>\n
      • Ki\u1ec3m tra: hai v\u1ebf \u0111\u1ec1u c\u00f3 4 Fe v\u00e0 6 O. K\u1ebft qu\u1ea3: 4Fe + 3O\u2082 \u2192 2Fe\u2082O\u2083<\/b>.<\/li>\n<\/ul>\n

        V\u00ed d\u1ee5 3 \u2013 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea1i s\u1ed1: Al + HCl \u2192 AlCl\u2083 + H\u2082.<\/b><\/p>\n

          \n
        • \u0110\u1eb7t h\u1ec7 s\u1ed1: aAl + bHCl \u2192 cAlCl\u2083 + dH\u2082. C\u00e2n b\u1eb1ng Al: a = c; Cl: b = 3c; H: b = 2d.<\/li>\n
        • Ch\u1ecdn c = 2 th\u00ec a = 2, b = 6, v\u00e0 d = b\/2 = 3.<\/li>\n
        • Thay v\u00e0o v\u00e0 ki\u1ec3m tra: hai v\u1ebf \u0111\u1ec1u c\u00f3 2 Al, 6 H, 6 Cl. K\u1ebft qu\u1ea3: 2Al + 6HCl \u2192 2AlCl\u2083 + 3H\u2082<\/b>.<\/li>\n<\/ul>\n

          Nh\u1eefng l\u01b0u \u00fd khi c\u00e2n b\u1eb1ng<\/b><\/h2>\n

          Khi c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc<\/b>, c\u1ea7n ghi nh\u1edb m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh sai s\u00f3t:<\/p>\n

            \n
          • Ch\u1ec9 \u0111\u01b0\u1ee3c th\u00eam h\u1ec7 s\u1ed1 v\u00e0o tr\u01b0\u1edbc c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng thay \u0111\u1ed5i ch\u1ec9 s\u1ed1 trong c\u00f4ng th\u1ee9c. V\u00ed d\u1ee5, kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebfn H\u2082O th\u00e0nh H\u2082O\u2082.<\/li>\n
          • H\u1ec7 s\u1ed1 c\u00e2n b\u1eb1ng ph\u1ea3i l\u00e0 c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1i gi\u1ea3n, kh\u00f4ng gi\u1eef ph\u00e2n s\u1ed1 ho\u1eb7c c\u00e1c h\u1ec7 s\u1ed1 c\u00f3 th\u1ec3 r\u00fat g\u1ecdn th\u00eam.<\/li>\n
          • N\u00ean b\u1eaft \u0111\u1ea7u c\u00e2n b\u1eb1ng t\u1eeb nguy\u00ean t\u1ed1 xu\u1ea5t hi\u1ec7n trong \u00edt c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc nh\u1ea5t ho\u1eb7c nguy\u00ean t\u1ed1 c\u00f3 s\u1ed1 nguy\u00ean t\u1eed l\u1edbn nh\u1ea5t, v\u00ec c\u00e1ch n\u00e0y gi\u00fap qu\u00e1 tr\u00ecnh c\u00e2n b\u1eb1ng nhanh v\u00e0 ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n<\/ul>\n

            \"can-bang-phuong-trinh-hoa-hoc-2\"<\/p>\n

            C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi c\u00e2n b\u1eb1ng<\/b><\/h2>\n

            \u0110a s\u1ed1 sai s\u00f3t \u0111\u1ebfn t\u1eeb v\u00e0i th\u00f3i quen d\u1ec5 m\u1eafc d\u01b0\u1edbi \u0111\u00e2y; nh\u1eadn ra ch\u00fang s\u1ebd gi\u00fap b\u1ea1n ki\u1ec3m tra l\u1ea1i ph\u01b0\u01a1ng tr\u00ecnh nhanh h\u01a1n:<\/p>\n

              \n
            • S\u1eeda ch\u1ec9 s\u1ed1 thay v\u00ec th\u00eam h\u1ec7 s\u1ed1: bi\u1ebfn CO th\u00e0nh CO\u2082 \u0111\u1ec3 “cho kh\u1edbp” l\u00e0 l\u00e0m sai ch\u1ea5t, tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh.<\/li>\n
            • Qu\u00ean r\u00fat g\u1ecdn h\u1ec7 s\u1ed1: vi\u1ebft 4H\u2082 + 2O\u2082 \u2192 4H\u2082O m\u00e0 kh\u00f4ng r\u00fat v\u1ec1 2H\u2082 + O\u2082 \u2192 2H\u2082O.<\/li>\n
            • B\u1ecf s\u00f3t m\u1ed9t nguy\u00ean t\u1ed1: ch\u1ec9 c\u00e2n H v\u00e0 O m\u00e0 qu\u00ean ki\u1ec3m tra kim lo\u1ea1i ho\u1eb7c g\u1ed1c axit \u1edf hai v\u1ebf.<\/li>\n
            • \u0110\u1ec3 l\u1ea1i h\u1ec7 s\u1ed1 ph\u00e2n s\u1ed1 \u1edf k\u1ebft qu\u1ea3 cu\u1ed1i, v\u00ed d\u1ee5 d\u1eebng \u1edf H\u2082 + \u00bdO\u2082 \u2192 H\u2082O thay v\u00ec nh\u00e2n \u0111\u00f4i to\u00e0n b\u1ed9.<\/li>\n
            • Kh\u00f4ng ki\u1ec3m tra l\u1ea1i sau khi c\u00e2n b\u1eb1ng: lu\u00f4n \u0111\u1ebfm l\u1ea1i s\u1ed1 nguy\u00ean t\u1eed m\u1ed7i nguy\u00ean t\u1ed1 \u1edf hai v\u1ebf tr\u01b0\u1edbc khi k\u1ebft lu\u1eadn.<\/li>\n<\/ul>\n

              \u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng<\/b><\/h2>\n

              C\u01a1 s\u1edf c\u1ee7a vi\u1ec7c c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc<\/b> l\u00e0 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng: trong m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t s\u1ea3n ph\u1ea9m b\u1eb1ng t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t tham gia ph\u1ea3n \u1ee9ng. \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u00e1c nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng, ch\u1ec9 s\u1eafp x\u1ebfp l\u1ea1i c\u00e1ch li\u00ean k\u1ebft. Nh\u1edd \u0111\u1ecbnh lu\u1eadt n\u00e0y, ta c\u00f3 th\u1ec3 t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng m\u1ed9t ch\u1ea5t trong ph\u1ea3n \u1ee9ng khi bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t c\u00f2n l\u1ea1i.<\/p>\n

              B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng c\u00f3 l\u1eddi gi\u1ea3i<\/b><\/h2>\n

              H\u00e3y t\u1ef1 c\u00e2n b\u1eb1ng tr\u01b0\u1edbc r\u1ed3i \u0111\u1ed1i chi\u1ebfu v\u1edbi l\u1eddi gi\u1ea3i \u0111\u1ec3 luy\u1ec7n ph\u1ea3n x\u1ea1:<\/p>\n

              B\u00e0i 1: C\u00e2n b\u1eb1ng s\u01a1 \u0111\u1ed3 Na + O\u2082 \u2192 Na\u2082O. L\u1eddi gi\u1ea3i: 4Na + O\u2082 \u2192 2Na\u2082O (hai v\u1ebf \u0111\u1ec1u c\u00f3 4 Na, 2 O).<\/p>\n

              B\u00e0i 2: C\u00e2n b\u1eb1ng s\u01a1 \u0111\u1ed3 P + O\u2082 \u2192 P\u2082O\u2085. L\u1eddi gi\u1ea3i: 4P + 5O\u2082 \u2192 2P\u2082O\u2085 (hai v\u1ebf \u0111\u1ec1u c\u00f3 4 P, 10 O).<\/p>\n

              B\u00e0i 3: C\u00e2n b\u1eb1ng s\u01a1 \u0111\u1ed3 CH\u2084 + O\u2082 \u2192 CO\u2082 + H\u2082O. L\u1eddi gi\u1ea3i: CH\u2084 + 2O\u2082 \u2192 CO\u2082 + 2H\u2082O (hai v\u1ebf \u0111\u1ec1u c\u00f3 1 C, 4 H, 4 O).<\/p>\n

              B\u00e0i 4 (tr\u1eafc nghi\u1ec7m): Ph\u01b0\u01a1ng tr\u00ecnh 2H\u2082 + O\u2082 \u2192 2H\u2082O \u0111\u00e3 c\u00e2n b\u1eb1ng ch\u01b0a? A. Ch\u01b0a B. \u0110\u00e3 c\u00e2n b\u1eb1ng C. Th\u1eeba h\u1ec7 s\u1ed1 D. Sai c\u00f4ng th\u1ee9c. \u0110\u00e1p \u00e1n: B (hai v\u1ebf \u0111\u1ec1u c\u00f3 4 H v\u00e0 2 O).<\/p>\n

              \"can-bang-phuong-trinh-hoa-hoc-1\"<\/p>\n

              C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc<\/b><\/h2>\n

              C\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc l\u00e0 g\u00ec?<\/b><\/h3>\n

              L\u00e0 th\u00eam h\u1ec7 s\u1ed1 th\u00edch h\u1ee3p tr\u01b0\u1edbc c\u00e1c c\u00f4ng th\u1ee9c \u0111\u1ec3 s\u1ed1 nguy\u00ean t\u1eed m\u1ed7i nguy\u00ean t\u1ed1 \u1edf hai v\u1ebf b\u1eb1ng nhau.<\/p>\n

              C\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc g\u1ed3m m\u1ea5y b\u01b0\u1edbc?<\/b><\/h3>\n

              Ba b\u01b0\u1edbc: vi\u1ebft s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng, c\u00e2n b\u1eb1ng s\u1ed1 nguy\u00ean t\u1eed b\u1eb1ng c\u00e1ch th\u00eam h\u1ec7 s\u1ed1, r\u1ed3i vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e0n ch\u1ec9nh.<\/p>\n

              V\u00ec sao ph\u1ea3i c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc?<\/b><\/h3>\n

              \u0110\u1ec3 tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng: s\u1ed1 nguy\u00ean t\u1eed m\u1ed7i nguy\u00ean t\u1ed1 \u1edf hai v\u1ebf ph\u1ea3i b\u1eb1ng nhau.<\/p>\n

              C\u00f3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i ch\u1ec9 s\u1ed1 khi c\u00e2n b\u1eb1ng kh\u00f4ng?<\/b><\/h3>\n

              Kh\u00f4ng, ch\u1ec9 \u0111\u01b0\u1ee3c th\u00eam h\u1ec7 s\u1ed1 tr\u01b0\u1edbc c\u00f4ng th\u1ee9c, kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5i ch\u1ec9 s\u1ed1 trong c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc.<\/p>\n

              N\u00ean b\u1eaft \u0111\u1ea7u c\u00e2n b\u1eb1ng t\u1eeb nguy\u00ean t\u1ed1 n\u00e0o?<\/b><\/h3>\n

              N\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb nguy\u00ean t\u1ed1 xu\u1ea5t hi\u1ec7n trong \u00edt c\u00f4ng th\u1ee9c nh\u1ea5t ho\u1eb7c c\u00f3 s\u1ed1 nguy\u00ean t\u1eed l\u1edbn nh\u1ea5t \u0111\u1ec3 nhanh h\u01a1n.<\/p>\n

              Ph\u01b0\u01a1ng tr\u00ecnh 2H\u2082 + O\u2082 \u2192 2H\u2082O \u0111\u00e3 c\u00e2n b\u1eb1ng ch\u01b0a?<\/b><\/h3>\n

              \u0110\u00e3 c\u00e2n b\u1eb1ng: hai v\u1ebf \u0111\u1ec1u c\u00f3 4 nguy\u00ean t\u1eed H v\u00e0 2 nguy\u00ean t\u1eed O.<\/p>\n

              K\u1ebft lu\u1eadn<\/b><\/h2>\n

              T\u00f3m l\u1ea1i, c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc<\/b> l\u00e0 th\u00eam h\u1ec7 s\u1ed1 \u0111\u1ec3 s\u1ed1 nguy\u00ean t\u1eed m\u1ed7i nguy\u00ean t\u1ed1 \u1edf hai v\u1ebf b\u1eb1ng nhau, theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng. Ch\u1ecdn \u0111\u00fang ph\u01b0\u01a1ng ph\u00e1p, luy\u1ec7n nhi\u1ec1u v\u00ed d\u1ee5 v\u00e0 lu\u00f4n ki\u1ec3m tra l\u1ea1i s\u1ebd gi\u00fap b\u1ea1n c\u00e2n b\u1eb1ng nhanh v\u00e0 ch\u00ednh x\u00e1c. \u0110\u1ec3 h\u1ecdc th\u00eam, m\u1eddi b\u1ea1n tham kh\u1ea3o c\u00e1c b\u00e0i 1 kg b\u1eb1ng bao nhi\u00eau gam<\/a>, 1 l\u00edt b\u1eb1ng bao nhi\u00eau ml<\/a> v\u00e0 m\u1ed9t n\u0103m \u00e1nh s\u00e1ng b\u1eb1ng bao nhi\u00eau km<\/a> tr\u00ean chuy\u00ean m\u1ee5c tin t\u1ee9c c\u1ee7a Ho\u00e0ng H\u00e0 Mobile.<\/p>\n

              Xem th\u00eam:<\/b><\/p>\n

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              • \n

                C\u1ea5u h\u00ecnh electron l\u00e0 g\u00ec? C\u00e1ch vi\u1ebft v\u00e0 v\u00ed d\u1ee5 chi ti\u1ebft<\/a><\/p>\n<\/li>\n

              • \n

                H\u00f3a tr\u1ecb l\u00e0 g\u00ec? Quy t\u1eafc h\u00f3a tr\u1ecb v\u00e0 b\u1ea3ng h\u00f3a tr\u1ecb c\u00e1c nguy\u00ean t\u1ed1<\/a><\/p>\n<\/li>\n<\/ul>\n