Google Answers: basic school experiment with unexpected hazardous response

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Q: basic school experiment with unexpected hazardous response ( No Answer, 2 Comments )

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Subject: basic school experiment with unexpected hazardous response
Category: Science
Asked by: chrisolite-ga
List Price: $2.00

Posted: 06 Mar 2003 20:11 PST
Expires: 05 Apr 2003 20:11 PST
Question ID: 173015

What gas is created when sulphur is combined with iron filings and
hydrochloric acid and then heated?

Answer

There is no answer at this time.

Comments

Subject: Re: basic school experiment with unexpected hazardous response
From: magnesium-ga on 06 Mar 2003 20:20 PST

Hydrogen sulphide.

http://www.saburchill.com/chemistry/chapters/chap035.html

Subject: Re: basic school experiment with unexpected hazardous response
From: iang-ga on 07 Mar 2003 12:32 PST

What does "combined" mean? If the iron filings and sulphur were just
mixed together the gas would have been hydrogen. Even if they had
formed ferrous sulphide it's possible there would have been unreacted
iron, in which case there would have been a mixture of hydrogen
sulphide and hydrogen.

Ian G.

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