Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-19 18:54Z
\frac{11}{7} \sum_{i=1}^{n} i^{2}
ΔS ≥ 0
\frac{3}{2} \sum_{i=1}^{n} i^{2}
310K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
98K
det| 8 3 ; 0 9 | = 72
\binom{n}{k} = \frac{n!}{k!(n-k)!}
456K
det| 5 6 ; 2 6 | = 18
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
45K
∑_{k=1}^{n} k = n(n+1)/2
438K