ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:08Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
302K
∇²ω = 0
det| 1 8 ; 4 2 | = -30
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 12 9 ; 5 13 | = 111
311K
2H₂ + O₂ → 2H₂O
\frac{8}{6} \sum_{i=1}^{n} i^{2}
39K
10r² + 7r + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃