[...]... 02:06 02:07 02: 08 02:10 02:11 02:14 02:15 02:16 02:17 02: 18 02:40 02:41 02:44 02:45 02:46 02:47 02: 48 02:50 02:51 02:54 02:55 02:56 02:57 02: 58 03:00 00:00 00:01 00:04 00:05 00:06 00:07 00: 08 00:10 00:11 00:14 00:15 00:16 00:17 00: 18 00:40 00:41 00:44 00:45 00:46 00:47 00: 48 00:50 00:51 00:54 00:55 00:56 00:57 00: 58 01:00 01:01 01:04 01:05 01:06 01:07 01: 08 01:10 01:11 01:14 01:15 01:17 01: 18 01:40 01:41... 02:26 02:27 02: 28 02:29 02:30 02:31 02:32 02:33 02:34 02:35 02:36 02:37 02: 38 02:39 02:42 02:43 02:49 02:52 02:53 02:59 00:02 00:03 00:09 00:12 00:13 00:19 00:20 00:21 00:24 00:25 00:26 00:27 00: 28 00:30 00:31 00:34 00:35 00:36 00:37 00: 38 00:42 00:43 00:49 00:52 00:53 00:59 01:02 01:03 01:09 01:12 01:13 01:19 01:20 01:21 01:24 01:25 01:26 01:27 01: 28 01:30 01:31 01:34 01:35 01:36 01:37 01: 38 01:42 01:43... 00:45 00:46 00:47 00: 48 00:50 00:51 00:54 00:55 00:56 00:57 00: 58 01:00 01:01 01:04 01:05 01:06 01:07 01: 08 01:10 01:11 01:14 01:15 01:17 01: 18 01:40 01:41 01:44 01:45 01:46 01:47 01: 48 01:50 01:51 01:54 01:55 01:56 01:57 01: 58 01:16 1 Phương trình hóa học: 2 Các bước lập phương trình hóa học: Bài tập: Cho các sơ đồ phản ứng hóa học sau, hãy lập thành phương trình hóa học: 4 Na + Al2O3 4 CO + O2 2 Na2O . hóa học: 03:0002:5902: 580 2:5702:5602:5502:5402:5302:5202:5102:5002:4902: 480 2:4702:4602:4502:4402:4302:4202:4102:4002:3902: 380 2:3702:3602:3502:3402:3302:3202:3102:3002:2902: 280 2:2702:2602:2502:2402:2302:2202:2102:2002:1902: 180 2:1702:1602:1502:1402:1302:1202:1102:1002:0902: 080 2:0702:0602:0502:0402:0302:0202:0102:0001:5901: 580 1:5701:5601:5501:5401:5301:5201:5101:5001:4901: 480 1:4701:4601:4501:4401:4301:4201:4101:4001:3901: 380 1:3701:3601:3501:3401:3301:3201:31 3. học: 03:0002:5902: 580 2:5702:5602:5502:5402:5302:5202:5102:5002:4902: 480 2:4702:4602:4502:4402:4302:4202:4102:4002:3902: 380 2:3702:3602:3502:3402:3302:3202:3102:3002:2902: 280 2:2702:2602:2502:2402:2302:2202:2102:2002:1902: 180 2:1702:1602:1502:1402:1302:1202:1102:1002:0902: 080 2:0702:0602:0502:0402:0302:0202:0102:0001:5901: 580 1:5701:5601:5501:5401:5301:5201:5101:5001:4901: 480 1:4701:4601:4501:4401:4301:4201:4101:4001:3901: 380 1:3701:3601:3501:3401:3301:3201:31 3. học: 03:0002:5902: 580 2:5702:5602:5502:5402:5302:5202:5102:5002:4902: 480 2:4702:4602:4502:4402:4302:4202:4102:4002:3902: 380 2:3702:3602:3502:3402:3302:3202:3102:3002:2902: 280 2:2702:2602:2502:2402:2302:2202:2102:2002:1902: 180 2:1702:1602:1502:1402:1302:1202:1102:1002:0902: 080 2:0702:0602:0502:0402:0302:0202:0102:0001:5901: 580 1:5701:5601:5501:5401:5301:5201:5101:5001:4901: 480 1:4701:4601:4501:4401:4301:4201:4101:4001:3901: 380 1:3701:3601:3501:3401:3301:3201:31 3 phút 01:3001:2901: 280 1:2701:2601:2501:2401:2301:2201:2101:2001:1901: 180 1:17 01:16 01:1501:1401:1301:1201:1101:1001:0901: 080 1:0701:0601:0501:0401:0301:0201:0101:0000:5900: 580 0:5700:5600:5500:5400:5300:5200:5100:5000:4900: 480 0:4700:4600:4500:4400:4300:4200:4100:4000:3900: 380 0:3700:3600:3500:3400:3300:3200:3100:3000:2900: 280 0:2700:2600:2500:2400:2300:2200:2100:2000:1900: 180 0:1700:1600:1500:1400:1300:1200:1100:1000:0900: 080 0:0700:0600:0500:0400:0300:0200:0100:00 4 4