ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:49Z
d/dr [r^8] = 8r^7
2β² + 4β + 1 = 0
\frac{1}{7} \sum_{i=1}^{n} i^{2}
270K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 1 2 ; 7 2 | = -12
437K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
442K
det| 11 3 ; 0 12 | = 132
det| 7 4 ; 4 8 | = 40
231K
det| 11 9 ; 5 12 | = 87
193K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
22K
Fe₂O₃ + 3CO → 2Fe + 3CO₂