Chemistry
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Joseph Hirsch

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 2 years, 7 months
  • 376 profile views
  • Last seen May 24 at 17:47

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Top posts (37) All Questions Answers | Votes Newest

6 How can I tell whether or not a molecule is planar? Dec 1 '16
6 Is iron(III) carbonate stable in water? Dec 12 '16
6 Why doesn't a fractured salt crystal stick back together? [duplicate] Dec 7 '16
5 What is the “smell” of solid sulfur Dec 9 '16
5 Do we lose significant figures with digital instruments? Dec 12 '16
3 How does selenium protect against mercury poisoning? Dec 11 '16
3 Can a reaction of the form A + B → AB ever be endothermic? [duplicate] Dec 7 '16
3 Heating 2% solution to get 4% solution May 15
3 On a periodic table it shows that Zn and Cd and Hg all have 0 electron affinity. Why is that? Dec 8 '16
3 Is phosphoric acid to be considered a hazardous waste? Dec 3 '16
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