Σ index Rxn set 8 Ledger /9 Σ#24 Ledger /3 Ledger /15 Σ#12 Matrix 11 Batch 22 Eq pack 19 Matrix 17 Eq pack 13 Batch 16 Ledger /27 Eq pack 7

Symbolic Index /sym/ea4bfa

id=1 · host=au.commstar.world · 2026-10-20 20:16Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

244K

det| 7 4 ; 4 8 | = 40

52K

6ω² + 3ω + 2 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

90K

11z² + 1z + 0 = 0

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

Fe₂O₃ + 3CO → 2Fe + 3CO₂

100K

det| 10 3 ; 4 11 | = 98

50K

det| 8 3 ; 4 9 | = 60

det| 2 7 ; 7 3 | = -43

137K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

197K

9x² + 3x + 6 = 0

N₂ + 3H₂ ⇌ 2NH₃

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

\frac{11}{6} \sum_{i=1}^{n} i^{2}

218K

∇ × E = −∂B/∂t

299K

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