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Ed V's user avatar
Ed V's user avatar
Ed V's user avatar
Ed V
  • Member for 4 years, 11 months
  • Last seen this week
  • Massachusetts, USA
61 votes
Accepted

Can we fill potato chips bags with a gas other than nitrogen?

24 votes
Accepted

Why does a tetrahedral molecule like methane have a dipole moment of zero?

13 votes
Accepted

What is the difference between quantities reported as optical rotation and circular birefringence?

13 votes

Is there a simple way to distinguish grades of purity for copper metal?

11 votes
Accepted

Homemade diode working mechanism

9 votes
Accepted

Orientation of external cell when voltage is supplied by it to voltaic cell so as to oppose its cell potential

9 votes
Accepted

A question regarding excitation of electrons in atomic orbital

8 votes
Accepted

Balancing reactions algebraic method limitations

8 votes
Accepted

Determining stoichiometry in ICP-OES data analysis

8 votes

Why does the pH before the equivalence point of a titration depend on the initial concentration only when the acid is strong?

8 votes
Accepted

Reaction between copper (II)chloride and aluminium foil

7 votes

Why can't Carbon Dioxide be liquid at 1 atm?

7 votes

Why not use all the colours in colorimetry?

7 votes

In an emission spectrum, the limit of convergence at higher frequency corresponds to the first ionization energy

7 votes
Accepted

How do I balance this redox reaction?

7 votes
Accepted

What is the physical explanation driving current flow in a concentration cell?

6 votes

What is the role of a monochromator in atomic absorption spectrometer?

6 votes

How do I denote a measurement with a margin of error using ±?

6 votes
Accepted

How can I measure the amount of quinine in a home-made tonic water?

6 votes
Accepted

Electrode potentials in a potentiostat

6 votes
Accepted

Can the direction of electron flow in a voltaic cell be reversed?

6 votes

Is there a commercial liquid with refractive index greater than two?

5 votes
Accepted

Potential energy of electron in excited hydrogen atom

5 votes

What exactly is the Horwitz equation?

5 votes

Is there any way to chemically check sweetness level in any drink or water or tea etc?

5 votes
Accepted

Does a calibration curve of absorbance vs concentration need to pass exactly through the origin?

5 votes
Accepted

How to calculate the energy to dissociate a bond into neutral atoms?

5 votes

Proposed mechanism for the catalyzed oxidation of CO by O3: Are NO and NO2 catalysts or intermediates?

4 votes

laser diode problem

4 votes
Accepted

Accurate method to calculate the pH of a salt from a weak acid and weak base