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 14:00Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

244K

2H₂ + O₂ → 2H₂O

52K

det| 12 5 ; 4 13 | = 136

3n² + 2n + 4 = 0

90K

ΔS ≥ 0

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

100K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

50K

∑_{k=1}^{n} k = n(n+1)/2

137K

2H₂ + O₂ → 2H₂O

197K

det| 7 4 ; 4 8 | = 40

262K

det| 10 7 ; 3 11 | = 89

196K

∇²x = 0

218K

det| 12 9 ; 5 13 | = 111

299K

[ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27]