the guy Posted December 2, 2008 Share Posted December 2, 2008 will acids/ alkalis attack a metal when the metal is molten? e.g will hydrochloric acid attack molten iron? Link to comment Share on other sites More sharing options...
YT2095 Posted December 2, 2008 Share Posted December 2, 2008 yes, explosively so. Link to comment Share on other sites More sharing options...
the guy Posted December 2, 2008 Author Share Posted December 2, 2008 how explosively and why? Link to comment Share on other sites More sharing options...
YT2095 Posted December 2, 2008 Share Posted December 2, 2008 Very, and why don`t You try and figure out why, trust me, it`s not that hard to work out Link to comment Share on other sites More sharing options...
DrP Posted December 2, 2008 Share Posted December 2, 2008 HOW explosively would depend upon the metal. Link to comment Share on other sites More sharing options...
John Cuthber Posted December 2, 2008 Share Posted December 2, 2008 Just to be a PITA ;-) Mercury, which is generally a molten metal in my experience, does not react all that vigorously with most acids- in fact, with a lot of acids the reaction is rather slow. However, for the example given (iron and HCl) I wouldn't want to be there when someone tried it. Every now and again there are explosions in metal foundries when the white hot metal comes into contact with water. The water flashes to steam and expands a couple of thousand times. In doing so it sprays molten metal everywhere. In the circumstances, the reactivity of the metal with the water isn't the issue (and molten iron does react with steam BTW) http://news.bbc.co.uk/1/hi/wales/south_west/4716918.stm Adding acid would not make that any nicer. Link to comment Share on other sites More sharing options...
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