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Chemistry
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matt_black
  • Member for 12 years, 4 months
  • Last seen this week
  • London, United Kingdom
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545 Answers

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8 votes
Accepted

Why do steel and iron not passivate the way aluminum does?

8 votes

What is the IUPAC name of kerosene?

8 votes
Accepted

What could possibly cause a "melting" reaction between vinyl and plastic?

8 votes
Accepted

Would standing next to a pool of mercury do you any harm?

8 votes
Accepted

Why don't salt crystals attract each other?

8 votes
Accepted

Is there a flame which doesn't produce smoke?

8 votes

Why is fermentation of cellulose to produce biofuel and nutrients so difficult?

8 votes
Accepted

Raman transition and IR transition

8 votes

Isotopes of Elements

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

Where does the energy in coal bonds come from?

8 votes
Accepted

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

8 votes

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

8 votes
Accepted

What is 'spray foam' or 'expanding foam'?

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?

7 votes
Accepted

Does a chiral allene have stereogenic centres?

7 votes
Accepted

Can Adding Alcohol Create Potable Water?

7 votes

Why does a electron lose energy when it enters an energy level compared to the free state?

7 votes

Does smoking drugs degrade them?

7 votes

Why did we introduce the concept of oxidation number in chemistry?

7 votes

How odorless is "odorless"?

7 votes
Accepted

In the Gold Foil experiment, did Ernest Rutherford's alpha particles hit the same spot every time or did he direct the emitter to different spots?

7 votes

How does refrigerator actually work?

7 votes
Accepted

Why is graphite brittle?

7 votes

How to make elemental silicon?

7 votes

Does energy come from fuel or oxygen? (surprise?)

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