# All Questions

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### Can hexadecanamide be toxic when ingested in tea? [closed]

This is an odd situation, but, at the advice of a doctor, I had some loose tea leaves tested for toxins and chemicals. The report came back and said that the tea leaves contained hexadecanamide, but ...
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### Are all geometrical isomers are diastereomers? [closed]

Till now I knew that all geometrical isomers are diastereomers. Is there any example of Geometrical isomers which are not diastereomers ?
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### Type of reaction involving hydrocarbon radicals and hydrogen ions [closed]

I've been analyzing how the percentage mass of hydrogen in the radical hydrocarbon affects the overall enthalpy change of the following reaction: $$\ce{C_xH_y^- + H^+ -> C_xH_{y+1}}$$ I have the ...
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### Contradiction to law of chemical equivalence in double titration [closed]

A common reaction which is studied in titration is $$\ce{Na2CO3 + 2HCl -> 2NaCl + H2O + CO2}$$ This reaction requires the use of two indicators (phenolphthalein and methyl orange) to mark two ...
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### NBO Calculation failing (ATDIAG DISCRD) [migrated]

I'm trying to perform NBO calculations on a bimetallic complex to evaluate bond orders. However, while I've previously done NBO calculations to obtain partial charges which worked without problems, ...
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### What is the number of 3d electrons of the transition metal ion in the following complex: [closed]

What is the number of 3d electrons of the transition metal ion in the following complex: [Cr(OH2)4Cl2] Im confused how to count the electron config if it is complex. is there a very easy way to ...
43 views

### Orbital angular momentum of an electron in s-orbital

I'm a beginner in quantum mechanics, and I'm pretty much confused with the orbital angular momentum of electron in s-orbital of hydrogen atom. I've read that average angular momentum of an electron in ...
24 views

### Find avg. Bond energy of Xe-F if enthalpy of formation for XeF2, XeF4 and XeF6 are given [closed]

FULL QUESTION : I) The standard enthalpies of formation of gaseous XeF2, XeF4, & XeF6, are -108, -216 , -294 kJ/mol respectively and the bond energy in F2, is 159 kJ/mol. Calculate the average Xe-...
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### Does pressure affect rate in equilibrium reactions? (in rxns where it causes a shift in position of equilibrium) [closed]

In the haber process if I increase the pressure, it will cause a shift in equilibrium to side with less gases, however is there any change in rate? Edit: I searched online before this question and ...
61 views

### Why do isosteric molecules have similar shapes? [closed]

Isosteres (Definition): Isosteres are atoms, molecules, or ions of similar size containing the same number of atoms and valence electrons.[1] Questions: A. Why ...