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Al2O3 + 2 NaOH + 3 H2O = 2 NaAl(OH)4
CaCO3 + H2SO4 = CaCO3SO4 + H2 =>
CaCO3 + H2SO4 = CaCO3SO4 + H2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Pb2(aq) + SO4(aq) = PbSO4(s) =>
Pb2(aq) + 2 SO4(aq) = 2 PbSO4(s)
MgO2(s) + C(g) = MgO(s) + CO2(g) =>
2 MgO2(s) + C(g) = 2 MgO(s) + CO2(g)
H3C6H5O7(aq) + NaOH(aq) = Na3C6H5O7(aq) + H2O(l) =>
H3C6H5O7(aq) + 3 NaOH(aq) = Na3C6H5O7(aq) + 3 H2O(l)
H2SO4 + KI = I2 + H2S + KHSO4 + H2O =>
9 H2SO4 + 8 KI = 4 I2 + H2S + 8 KHSO4 + 4 H2O
C + KNO3 = K2CO3 + CO + N2 =>
4 C + 2 KNO3 = K2CO3 + 3 CO + N2
BaCl2 + H2SO4 = Ba(OH)2 + HCl + O + S =>
BaCl2 + 2 H2SO4 = Ba(OH)2 + 2 HCl + 6 O + 2 S
Ba3N2 + O2 = BaO + N2 =>
2 Ba3N2 + 3 O2 = 6 BaO + 2 N2
Hg + H2SO4 = HgSO4 + H2 =>
Hg + H2SO4 = HgSO4 + H2
CH3OH + H2SO4 = (CH3)2SO4 + H2O =>
2 CH3OH + H2SO4 = (CH3)2SO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
硫 + 臭氧 = 二氧化硫 =>
3 S + 2 O3 = 3 SO2
PPPP + OO = PPOOOOO =>
PPPP + 5 OO = 2 PPOOOOO
PI3 + OH{-} = I{-} + HPO3{2-} + H2O =>
PI3 + 5 OH{-} = 3 I{-} + HPO3{2-} + 2 H2O
Al(OH)6 + H3O = Al + H2O =>
Al(OH)6 + 6 H3O = Al + 12 H2O
FeO + H2SO3 = Fe(HSO3)2 + H2O =>
FeO + 2 H2SO3 = Fe(HSO3)2 + H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Li2S + Cl2 = Li + ClS =>
2 Li2S + Cl2 = 4 Li + 2 ClS
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
KMnO4 + HClO + H2O = MnO2 + HClO4 + KOH =>
2 KMnO4 + HClO + H2O = 2 MnO2 + HClO4 + 2 KOH
K + H2SO4 = K2SO4 + H2S + H2O =>
8 K + 5 H2SO4 = 4 K2SO4 + H2S + 4 H2O
K2O + SO2 = K2SO3 =>
K2O + SO2 = K2SO3
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
C2H8O + O2 = CO2 + H2O =>
2 C2H8O + 7 O2 = 4 CO2 + 8 H2O
K2S + Ag2S2O3 = K2S2O3 + Ag2S =>
K2S + Ag2S2O3 = K2S2O3 + Ag2S
K2CO3 + H3PO4 = K3PO4 + H2OCO2 =>
3 K2CO3 + 2 H3PO4 = 2 K3PO4 + 3 H2OCO2
Pb + HNO3 = Pb(NO3) + NO + H2O =>
3 Pb + 4 HNO3 = 3 Pb(NO3) + NO + 2 H2O
Sn(OH)4 = Sn + H2O2 =>
Sn(OH)4 = Sn + 2 H2O2
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
Li3N = Li + N2 =>
2 Li3N = 6 Li + N2
HCl + O = Cl2 + H2O =>
2 HCl + O = Cl2 + H2O
P + Ca = CaP =>
P + Ca = CaP
H2O + HCl = H2 + Cl2O =>
H2O + 2 HCl = 2 H2 + Cl2O
Na + KCI = K + NaCI =>
Na + KCI = K + NaCI
C4H8ONH2 + H2O = C4H8ONH + H3O =>
C4H8ONH2 + H2O = C4H8ONH + H3O
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
AgNo3 + MgCl2 = Mg(No3)2 + AgCl =>
2 AgNo3 + MgCl2 = Mg(No3)2 + 2 AgCl
C + O2 = CO2 =>
C + O2 = CO2
MgCl2 + Na2SO4 = NaCl + Mg2(SO4)2 =>
2 MgCl2 + 2 Na2SO4 = 4 NaCl + Mg2(SO4)2
CH3COOH = C2H4 + O2 =>
CH3COOH = C2H4 + O2
(CH3COO)2Ca = CH3COO + Ca =>
(CH3COO)2Ca = 2 CH3COO + Ca
H2S + Al(OH)3 = Al(S)3 + H2O + H =>
3 H2S + Al(OH)3 = Al(S)3 + 3 H2O + 3 H
Na3Cr(OH)6 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na3Cr(OH)6 + 3 Br2 + 4 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
Al2(SO4)3 + HCl = Al(HSO4)3 + AlCl3 =>
Al2(SO4)3 + 3 HCl = Al(HSO4)3 + AlCl3
Fe{2+} + SO4{2-} = FeSO4 =>
Fe{2+} + SO4{2-} = FeSO4
Zn(No3)2 + Fe = Zn + Fe(No3)2 =>
Zn(No3)2 + Fe = Zn + Fe(No3)2
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