第1057章 想得太美了(2 / 2)
欧皇崛起
太上老牛
1158 字
2023-04-01
“什么?腐蚀速度很慢?而且都流到底部地面上去了?”马林大吃一惊——难道自己的计划要破产?
“是的,这种酸根本无法在竖立的大铁门外表停留。一旦泼上去,就会顺着光滑的城门表面往下流。即使在酸液汇集的底部,貌似腐蚀速度也很慢。”
“腐蚀速度很慢?”马林想了想,然后恍然大悟……
“我这脑子,这记性!”
马林忽然想起来,在前世,化学老师曾说过,实验室制取氢气,一般使用金属锌。这是因为,锌的活泼性比铁高多了。用铁和稀硫酸反应,是可行,可是速度很慢。所以,为了展示出生成氢气的现象,一般使用活泼度较高的锌金属和稀硫酸或稀盐酸反应制取氢气,可以看到很明显的气泡上升的过程。若是采用铁,貌似会慢不少。
而且,往大铁门上泼稀硫酸和把铁放进稀硫酸里反应完全是两码事。把铁泡在硫酸里,接触面积充足,就算速度慢点比不上锌,可时间长了,效果也是明显的。可是,往铁门上泼稀硫酸,那就不一样了。首先,铁城门是竖立的啊,稀硫酸泼上去,根本不会停留在门上,而是会顺着城门往下流到地上。还没来得及慢慢接触反应呢,就落地了。加上稀硫酸和铁反应速度本来就不快,非常浪费硫酸。
此外,锡耶纳人有钱,弄出来的铁城门也足够厚。若是想靠这100罐稀硫酸就腐蚀坏掉铁城门,好像可行性不高啊……
还有,马林又想起来——貌似前世就算是用锌金属制取氢气,也是把锌磨成锌粉的,为的就是尽可能增大接触面积。若是整块的,则要慢很多。因为,你想腐蚀里面的金属,得先把外面的部分腐蚀光了先……
铁本来和稀硫酸反应就不快,再加上是整块的大铁门,还不能把铁门丢进稀硫酸池子里……所以,用稀硫酸想腐蚀坏掉朝后大铁门是很难做到的……至少,这一车稀硫酸不够用……
此外,马林还想到了一个很严重的问题——就算他能在厚重的铁城门上腐蚀出一个大洞来,塞入火药桶也炸不坏城门……
为啥呢?因为铁城门和橡木做的木城门不是一回事啊……
一般而言,若是木头城门,只要在城门上弄出破洞,塞入火药桶,就能把城门炸坏,得到进入城中的道路。
可是,那是橡木城门才容易被炸坏,并出现进入城中的道路啊。而如今,现在的城门是极为厚重的铁城门。就算埋入的火药桶爆炸了,也未必能炸开厚重的钢铁城门。若是城门炸不坏,将铁城门腐蚀出可塞入火药桶的小洞又有什么意义呢?
就算再大铁门上腐蚀出来的那个洞恰好是城门锁闩的位置也没用,因为,在城市攻防战的时候,城市的城门洞往往是被堵死了的。只要城门本身被没炸坏,早就被堵死的城门洞,未必能完全炸得开啊……所以说,之前靠稀硫酸就能破坏厚重的铁城门的想法,想得太美了……
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