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K2S(aq) + 2 HI(aq) = 2 KI + H2S
NaHSO3 + HOCl = NaHSO4 + HCl =>
NaHSO3 + HOCl = NaHSO4 + HCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
P2O3 + H2O = H3PO3 =>
P2O3 + 3 H2O = 2 H3PO3
FeCl3 + H2SO4 + KMnO4 = Cl2 + Fe2(SO4)3 + H2O + K2SO4 + MnSO4 =>
10 FeCl3 + 24 H2SO4 + 6 KMnO4 = 15 Cl2 + 5 Fe2(SO4)3 + 24 H2O + 3 K2SO4 + 6 MnSO4
H2C + Si(OH)4 = SiC2 + H2O =>
2 H2C + Si(OH)4 = SiC2 + 4 H2O
KC1O3 = KC1 + O2 =>
2 KC1O3 = 2 KC1 + 3 O2
(CH3COO)2Ni + K = CH3COOK + Ni =>
(CH3COO)2Ni + 2 K = 2 CH3COOK + Ni
Na2[B4O5(OH)4]8H2O + NaOH + H2O2 = Na2[B2(OH)4(O2)2]6H2O + H2O =>
3 Na2[B4O5(OH)4]8H2O + 10 NaOH + 115 H2O2 = 8 Na2[B2(OH)4(O2)2]6H2O + 67 H2O
UO2{2+} + Zn{+} + H{+} = U{4+} + Zn{2+} + H2O =>
UO2{2+} + 2 Zn{+} + 4 H{+} = U{4+} + 2 Zn{2+} + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KOH + NH4Cl = KCl + NH4OH =>
KOH + NH4Cl = KCl + NH4OH
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
KAu(CN)2 + Zn = K2Zn(CN)4 + Au =>
2 KAu(CN)2 + Zn = K2Zn(CN)4 + 2 Au
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
H3PO4 + K2SO4 = K3PO4 + H2SO4 =>
2 H3PO4 + 3 K2SO4 = 2 K3PO4 + 3 H2SO4
(CH3COO)2Ni + K = CH3COOK + Ni =>
(CH3COO)2Ni + 2 K = 2 CH3COOK + Ni
NaNO2 + HCl = NO + H2O + NaCl + NaNO3 =>
3 NaNO2 + 2 HCl = 2 NO + H2O + 2 NaCl + NaNO3
KCeO3 = KCe + O2 =>
2 KCeO3 = 2 KCe + 3 O2
Ca + H2 + S + O2 = Ca(HSO4)2 =>
Ca + H2 + 2 S + 4 O2 = Ca(HSO4)2
Ba(s) + HCl(aq) = BaCl2(aq) + H2(g) =>
Ba(s) + 2 HCl(aq) = BaCl2(aq) + H2(g)
KMnO4 + C2H2O4 = MnO2 + CO2 + KOH + H2O =>
2 KMnO4 + 3 C2H2O4 = 2 MnO2 + 6 CO2 + 2 KOH + 2 H2O
IO3 + HSO3 = I + H + SO4 =>
IO3 + 3 HSO3 = I + 3 H + 3 SO4
Ag + Ca(NO3)2 = Ag(NO3) + Ca =>
2 Ag + Ca(NO3)2 = 2 Ag(NO3) + Ca
NaCl(aq) + AgNO3 = AgCl(s) + NaNO3 =>
NaCl(aq) + AgNO3 = AgCl(s) + NaNO3
Pb + PtBr2 = Pt + PbBr4 =>
Pb + 2 PtBr2 = 2 Pt + PbBr4
AgNO3 + Al2S3 = Ag2S + Al(NO3)3 =>
6 AgNO3 + Al2S3 = 3 Ag2S + 2 Al(NO3)3
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
硫 + 臭氧 = 二氧化硫 =>
3 S + 2 O3 = 3 SO2
NaHCO3 + H2O = H2CO3 + OH + Na4 =>
4 NaHCO3 + 4 H2O = 4 H2CO3 + 4 OH + Na4
FeSi + NaOH + H2O = Na2SiO3 + Fe + H2 =>
FeSi + 2 NaOH + H2O = Na2SiO3 + Fe + 2 H2
Zn(NO3)2(aq) + H2S(aq) = ZnS + HNO3 =>
Zn(NO3)2(aq) + H2S(aq) = ZnS + 2 HNO3
氢氧化钙 + 二氧化碳 = 碳酸钙 + 水 =>
Ca(OH)2 + CO2 = CaCO3 + H2O
N2O5 + Na2O = NaNO3 =>
N2O5 + Na2O = 2 NaNO3
K2CrO4 + Na2S + H2O = Cr2(OH)3 + S + KOH + NaOH =>
4 K2CrO4 + 9 Na2S + 16 H2O = 2 Cr2(OH)3 + 9 S + 8 KOH + 18 NaOH
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
N4H8(g) + N2O4(g) = N6(g) + H4O4(g) =>
3 N4H8(g) + 6 N2O4(g) = 4 N6(g) + 6 H4O4(g)
HBrO2 + H2O = H2BrO2 + OH =>
HBrO2 + H2O = H2BrO2 + OH
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Fe + Al2O3 = Fe2O3 + Al =>
2 Fe + Al2O3 = Fe2O3 + 2 Al
Ca + P + H2O = PH3 + CaO =>
3 Ca + 2 P + 3 H2O = 2 PH3 + 3 CaO
AlBr3 + K2Cr2O7 + H2SO4 = Al2(SO4)3 + K2SO4 + Cr2(SO4)3 + Br2 + H2O =>
2 AlBr3 + K2Cr2O7 + 7 H2SO4 = Al2(SO4)3 + K2SO4 + Cr2(SO4)3 + 3 Br2 + 7 H2O
CuNO3 + K2SO4 = Cu2SO4 + KNO3 =>
2 CuNO3 + K2SO4 = Cu2SO4 + 2 KNO3
Mg + CO3 + H2O = (MgOH)2CO3 + CO2 =>
2 Mg + 2 CO3 + H2O = (MgOH)2CO3 + CO2
K2CO3 + Ca(OH)2 = KOH + CaCO3 =>
K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
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