ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 17:47Z
7φ² + 7φ + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
302K
det| 12 9 ; 5 13 | = 111
312K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
9n² + 8n + 4 = 0
ΔS ≥ 0
det| 7 4 ; 4 8 | = 40
264K