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Chemistry
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theorist
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200 Answers

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60 votes
Accepted

What's the biggest organic molecule that could have a smell?

57 votes
Accepted

Why isn't the American nickel magnetic?

30 votes
Accepted

Placed in equivalent freezers, would a liter of water or a liter of lava turn from liquid to solid first? (question from a 6 year old)

30 votes
Accepted

What substances do humans consume that are caloric but neither protein, carb, nor fat?

27 votes
Accepted

Are food calorie values really integers?

23 votes

Why is chemistry unpredictable?

23 votes
Accepted

How can a thermometer ever show the actual temperature of an object if the object loses heat to the thermometer?

21 votes

Why is milk not sold in food-grade stainless steel bottles?

18 votes

Is the carbon atom in the carbon dioxide molecule partially positive?

17 votes
Accepted

Is it better to use a smaller, more accurate measuring cylinder several times or a larger, less accurate one for the same volume?

15 votes
Accepted

Can the equilbrium constant ever be exactly 1?

14 votes

Why do chemists work with common logarithms (base 10)?

13 votes
Accepted

What is the maximum osmotic pressure that can be exerted with water as the solvent at room temperature?

13 votes
Accepted

The connection of the "R" in the ideal gas law and osmotic pressure

12 votes

Which is a more accurate scale for a chemistry high school lab - a triple beam balance or a digital balance and why?

11 votes
Accepted

What is the cheapest way to give someone 1 mol of gold?

11 votes
Accepted

The Evasive Ether: Existence of diethynyl ether?

11 votes

How does steam prevent oxidation in tea leaves?

11 votes

How to use Google’s Alpha-fold to predict the structure of a two-protein complex?

11 votes
Accepted

Infinite Increase in Entropy when Energy added to Absolute Zero

11 votes
Accepted

The heat content of the products is more than that of the reactant in an ............. reaction

10 votes
Accepted

Pressure exerted by a particle of ideal gas

10 votes

Why does my sea salt have a best by date?

9 votes

What's the purpose of significant figures in measurements?

9 votes

Are there reactions where the stirring direction would make a difference?

9 votes

What exactly is temperature?

8 votes
Accepted

What is the entropy of mixing a gas into the whole atmosphere?

8 votes
Accepted

Why are there only 6 series (Lymen, Balmer, Paschen, Bracket, Pfund and H.Davy) in the hydrogen atomic spectrum? Why can't there be more?

8 votes

melting and boiling ...really equilibrium?

8 votes

Clarification on usage of dU =nCvdT

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