ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:01Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 5 9 ; 7 6 | = -33
311K
2H₂ + O₂ → 2H₂O
10r² + 7r + 5 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
364K