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Chakravarthy Kalyan

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58

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Are all lone pairs considered as π-electrons?

organic-chemistry electrons

Aug 25 at 4:34 Chakravarthy Kalyan 3,402

3

votes

2

answers

137

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Why is there a z² label for d orbitals, but no x² and y² labels with corresponding shapes?

physical-chemistry quantum-chemistry orbitals

Jun 30 at 12:24 orthocresol♦ 47.3k

6

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2

answers

9k

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A unit cell for graphene

crystal-structure molecular-structure

Jun 29 at 19:10 TommyWhite 33

6

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0

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Is there a reliable chemical theory that predicts pKa based on structure?

organic-chemistry acid-base quantum-chemistry molecular-orbital-theory theoretical-chemistry

Jun 27 at 15:31 andselisk♦ 25.5k

13

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2

answers

4k

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Why does ice crack when a drink is poured on it?

everyday-chemistry water phase

Feb 11 at 17:33 A.K. 11.1k

3

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Regioselectivity in Diels Alder reaction

organic-chemistry reaction-mechanism

Dec 9 '18 at 10:01 Community♦ 1

42

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1

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6k

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Why can we still breathe in valleys? [duplicate]

gas-laws applied-chemistry

Jun 10 '18 at 14:27 gerrit 105

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Mechanism for the conversion of an unsaturated alkyl halide to an alcohol

organic-chemistry reaction-mechanism halides alcohols nucleophilic-substitution

Apr 21 '18 at 15:14 orthocresol♦ 47.3k

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Refining Tin (Sn)

metallurgy purification

Dec 27 '17 at 22:57 Mithoron 4,017

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Reverse Friedel-Crafts mechanism

organic-chemistry reaction-mechanism

Mar 19 '15 at 19:36 jerepierre 9,599

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