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Klaus-Dieter Warzecha

  • Chemist
  • Python enthusiast

profile for Klaus-Dieter Warzecha on Stack Exchange, a network of free, community-driven Q&A sites

825
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Top Tags (193)

Score 1,316
Posts 291
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Top Posts (825) All Questions Answers | Votes Newest

71 Why does CaCO3 react with HCl, but not with H2SO4? Feb 27 '16
40 How do I extract cyanide from apple seeds? Feb 2 '15
39 Ortho-effect in substituted aromatic acids and bases Jan 6 '14
36 Does water really 'go bad' after a couple of days? Mar 23 '14
30 How can carbon dioxide be converted into carbon and oxygen? Aug 10 '12
22 How do you create primary amines from alcohols? Apr 2 '14
22 Why did the salt on the skin of my turkey react with the aluminum foil it was touching? Dec 28 '14
21 How to separate HCl and NaOH from salt and water solution? Mar 6 '14
20 Can metals have a net negative charge Mar 16 '15
19 Do acids really donate a proton? Mar 11 '17
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