天气预报15天查询> 其他> 铝铜氢气与氧气反应的现象

铝铜氢气与氧气反应的现象

更新时间: 2020-06-29 00:00:00     

1、铝与氧气的反应:铝在氧气中燃烧,产生耀眼的强光,并放出大量的热,生成灰色固体;

2、铜在加热的条件下先变红,氧化为黑色的氧化铜,铜丝表面黑色物质生成;

3、纯净的氢气在氧气中燃烧生成水,并释放出大量的热,火焰呈淡蓝色,将干净的烧杯置于火焰上方,内壁会出现水珠。

关键词: 氢气 氧气 反应 现象

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2642940/ | 耗时:0.9608 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2642940 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2642940 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2642940 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1083100,1044609,1115311,1100899,1107965,1118543,1076029,1081195,1065049,1100583,1102156,1118771,1104941,1105502,1117652,1072797,1042959,1118981,1074334,1079131,1073832,1100849,1084307,1061610,1097575,1086730,1051135,1107261,1083059,1086592) ORDER BY field (ArticleID,1083100,1044609,1115311,1100899,1107965,1118543,1076029,1081195,1065049,1100583,1102156,1118771,1104941,1105502,1117652,1072797,1042959,1118981,1074334,1079131,1073832,1100849,1084307,1061610,1097575,1086730,1051135,1107261,1083059,1086592)