Chemistry
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Rafael's user avatar
Rafael's user avatar
Rafael
  • Member for 5 years, 3 months
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All Questions Answers
Score Newest
question
4
Is cobalt (III) hexaaqua paramagnetic or diamagnetic?
Mar 20, 2019
question
3
Is the activation energy for vaporization equal to the enthalpy of vaporization?
May 4
question
2
Do different oxidation states of the same element have the same emission spectrum?
Aug 28, 2019
question
1
Absorption wavelength of nickel (II)
Nov 10, 2022
question
0
Why does phosphine have a dipole moment and a higher boiling point than carbon tetrafluoride?
Feb 5, 2019
question
0
Bonding in molten silicon dioxide
Jan 24, 2020
question
0
Why is effervescence endothermic?
May 25, 2022
question
0
Determining the concentration of ammonium nitrate by chemical means
2 days ago
question
-1
Convergence limit of emission spectra for atoms with multiple electrons
Sep 1
answer
-2
Why (SO4)^2- does not create 4 double bonds
Mar 20, 2019
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6
Using php://input and file_put_contents

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