天气预报15天查询> 其他> 铁在氧气中燃烧为什么要加水

铁在氧气中燃烧为什么要加水

更新时间: 2020-10-31 00:00:00     

因为加水能吸收反应中散发的热量,否则容易致使实验器具炸裂。

通常反应速度在高速进行时,其反应热大且有发光现象时称为燃烧。燃烧常以瓦斯状进行,如液态之重油、固态之木材、煤炭等在燃烧之前需经过蒸发或受热分解产生可燃性多种瓦斯,与空气形成易燃性混合气,有火源时则起火燃烧。

关键词: 氧气 燃烧 为什么

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-1278975/ | 耗时:0.9426 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=1278975 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1278975 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1278975 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1111734,1119546,1305322,1104483,1132523,1048360,1128799,1129585,1114870,1121764,1077756,2098304,1096703,1124997,3386206,1104033,1089526,1132537,275420,1131345,1917270,1129603,1119888,1126194,1336700,712556,1087825,1127381,2237086,846072) ORDER BY field (ArticleID,1111734,1119546,1305322,1104483,1132523,1048360,1128799,1129585,1114870,1121764,1077756,2098304,1096703,1124997,3386206,1104033,1089526,1132537,275420,1131345,1917270,1129603,1119888,1126194,1336700,712556,1087825,1127381,2237086,846072)