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tschoppi
  • Member for 10 years, 6 months
  • Last seen more than a month ago
253 votes
3 answers
41k views

Why is gold golden?

22 votes
4 answers
27k views

How can I clean my lab coat?

16 votes
1 answer
8k views

What are these crystals on my champagne cork?

16 votes
1 answer
12k views

Why is there sulfur in black powder / gun powder?

12 votes
1 answer
5k views

How are point group character tables typeset correctly?

11 votes
2 answers
27k views

At what amount is digesting soap unhealthy?

8 votes
3 answers
2k views

How is the bond length calculated from the total electronic energy?

7 votes
1 answer
151 views

How can we recreate old pharaos' perfumes?

5 votes
2 answers
10k views

What's the composition of gun smoke and is it dangerous?

4 votes
3 answers
686 views

How does one calculate the pH of an aqueous solution of a weak acid and a weak base?

3 votes
2 answers
470 views

Is it possible to cut yourself on pyrite?

3 votes
1 answer
355 views

Solve this mole fraction calculation with incomplete information

2 votes
1 answer
3k views

Memorize Transition Metal Electronic Ground State

1 vote
1 answer
143 views

What are aryl chlorides currently used for?