ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:53Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
det| 9 5 ; 1 10 | = 85
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 1 ; 7 10 | = 83
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
311K
det| 4 8 ; 0 5 | = 20
264K
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
68K
∑_{k=1}^{n} k = n(n+1)/2
39K