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matt_black
  • Member for 11 years, 5 months
  • Last seen this week
  • London, United Kingdom
10 votes
Accepted

What chemical properties that allow for colour exist in the dark?

10 votes

Is there a simple and inexpensive way to generate nitrogen gas?

10 votes

Solving carbon black

10 votes
Accepted

Ozone catalysis

10 votes
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How to read a given chemical formula?

10 votes
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Why were elements discovered "out of order" after 1950?

9 votes
Accepted

Why is a conformer of hydrogen peroxide rotationally inactive?

9 votes

Is there any substance that's a 4-4-4 on the NFPA diamond?

9 votes
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How many carbon, hydrogen, oxygen, nitrogen, and phosphorus atoms are there in the observable universe?

9 votes
Accepted

Why does radioactive matter decay in series of half-lives?

9 votes

What is Resonance, exactly?

9 votes
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How does resonance fail in approximating chemical structures?

9 votes

Why is it ill advised to eat the solid aspirine formed from salicylic acid + acetic anhydride

9 votes

Material that absorbs only in NIR and emits in visible

9 votes
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Can we goldify metals?

9 votes
Accepted

Alloys for inkless metal pen

9 votes

Why does microwave heat up things so much more quickly than visible light?

9 votes

Does a first order reaction really get completed only at infinity?

9 votes
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Can ethanol alone be used as Fuel?

8 votes

Isotopes of Elements

8 votes

How are Uranium and such materials made

8 votes
Accepted

Why are rare earth metals and platinum group metals are often found clustered together in ores

8 votes

Why do electrons jump back after absorbing energy and moving to a higher energy level?

8 votes

How would I make a basic protein folding algorithm?

8 votes
Accepted

How explosive is benzene compared to TNT?

8 votes
Accepted

When styrofoam shrinks from pressure, why doesn't it go back to normal after decreasing the pressure?

8 votes

Why does the vapour pressure not depend on the surface area and volume of a liquid?

8 votes

Why is chemistry based on rules and exceptions when everything can be simulated?

8 votes
Accepted

Are coke (solid fuel from coal) and charcoal same thing obtained from different sources?

8 votes

Where does the energy in coal bonds come from?

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