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3 CaSe + 12 HBr + 2 HNO3 = 3 H2CaBr4 + 2 NO + 3 Se + 4 H2O
KMnO4 + SO2 + NaOH = MnO2 + Na2SO4 + H2O + KOH =>
2 KMnO4 + 3 SO2 + 6 NaOH = 2 MnO2 + 3 Na2SO4 + 2 H2O + 2 KOH
Zn + HNO2 = ZnNO2 + H2 =>
2 Zn + 2 HNO2 = 2 ZnNO2 + H2
H[SnCl3] + Br2 + Cl2 + H2O = H3[SnCl6] + HBrO3 =>
10 H[SnCl3] + 2 Br2 + 15 Cl2 + 12 H2O = 10 H3[SnCl6] + 4 HBrO3
MgCl2 + OH = Mg(OH)2 + Cl =>
MgCl2 + 2 OH = Mg(OH)2 + 2 Cl
Cr3SO4 + NaCO3 = NaSO4 + Cr3CO3 =>
Cr3SO4 + NaCO3 = NaSO4 + Cr3CO3
KHSO3 + KOH = K2SO3 + H2O =>
KHSO3 + KOH = K2SO3 + H2O
C8H16 + Br2 = C8H16Br2 =>
C8H16 + Br2 = C8H16Br2
SO3{2-} + H2O + I2 = H{+} + I{-} + SO4{2-} =>
SO3{2-} + H2O + I2 = 2 H{+} + 2 I{-} + SO4{2-}
NiSO4 + NaOH + HCl = NiCl2 + Na2SO4 + H2O =>
NiSO4 + 2 NaOH + 2 HCl = NiCl2 + Na2SO4 + 2 H2O
Pb + F = PbF2 =>
Pb + 2 F = PbF2
Pb(NO3)2 + HCl = PbCl2 + HNO3(classification) =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3(classification)
Fe2(SO4)3 + Na2O2 = Na2FeO4 + Na2SO4 + O2 =>
Fe2(SO4)3 + 5 Na2O2 = 2 Na2FeO4 + 3 Na2SO4 + O2
Fe{2}O{3} + AI = AI{2}O{3} + Fe =>
Fe{2}O{3} + AI = AI{2}O{3} + Fe
C6H6 + K = C6H5K + H2 =>
2 C6H6 + 2 K = 2 C6H5K + H2
C3H7NO2 + NH3 = C3H7NH2 + HNO2 =>
C3H7NO2 + NH3 = C3H7NH2 + HNO2
C6H12 + CrO3 + H2SO4 = CO2 + Cr2(SO4)3 + H2O =>
C6H12 + 12 CrO3 + 18 H2SO4 = 6 CO2 + 6 Cr2(SO4)3 + 24 H2O
Zn(OH)4 + HBr = Zn(Br)4 + H2O =>
Zn(OH)4 + 4 HBr = Zn(Br)4 + 4 H2O
CH4 + Cl2 = HCl2 + C =>
CH4 + 4 Cl2 = 4 HCl2 + C
H2SeMgCO3 = MgSeH2OCO2 =>
H2SeMgCO3 = MgSeH2OCO2
KCrS2O8 + NaOH = Cr(OH)3 + SO4{-2} + Na{+} + K{+} =>
KCrS2O8 + 3 NaOH = Cr(OH)3 + 2 SO4{-2} + 3 Na{+} + K{+}
Na{+} + H2O = NaOH + H{+} =>
Na{+} + H2O = NaOH + H{+}
CH3CHCH2 + KMnO4 = MnO2 + CH3CH2COOK + KOH + H2O =>
3 CH3CHCH2 + 4 KMnO4 = 4 MnO2 + 3 CH3CH2COOK + KOH + H2O
BrO{-} + Ag{+} + OH{-} = BrO3{-} + Ag + H2O =>
BrO{-} + 4 Ag{+} + 4 OH{-} = BrO3{-} + 4 Ag + 2 H2O
Cr + ClO3{-} + H{+} = Cr{3+} + HClO2 + H2O =>
2 Cr + 3 ClO3{-} + 9 H{+} = 2 Cr{3+} + 3 HClO2 + 3 H2O
AgNO3 + KClO3 = Ag(ClO3) + KNO3 =>
AgNO3 + KClO3 = Ag(ClO3) + KNO3
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
H[SnCl3] + Br2 + Cl2 + H2O = H3[SnCl6] + HBrO3 =>
10 H[SnCl3] + 2 Br2 + 15 Cl2 + 12 H2O = 10 H3[SnCl6] + 4 HBrO3
Fe(OH)2 + K2CrO4 + H2O = Fe(OH)3 + KCr(OH)4 + KOH =>
3 Fe(OH)2 + K2CrO4 + 4 H2O = 3 Fe(OH)3 + KCr(OH)4 + KOH
Ba2NO3 + Na2SO4 = Na2NO3 + Ba2SO4 =>
Ba2NO3 + Na2SO4 = Na2NO3 + Ba2SO4
P + KOH + H2O = PH3 + KHPO2 =>
5 P + 3 KOH + 3 H2O = 2 PH3 + 3 KHPO2
C12H24 + O2 = CO2 + H2 =>
C12H24 + 12 O2 = 12 CO2 + 12 H2
Na + H3PO4 = H2 + Na3PO4 =>
6 Na + 2 H3PO4 = 3 H2 + 2 Na3PO4
Ba3(PO4)2 + NaClO4 = Ba(ClO4)2 + Na3PO4 =>
Ba3(PO4)2 + 6 NaClO4 = 3 Ba(ClO4)2 + 2 Na3PO4
HBr + Fe = FeBr2 + H2 =>
2 HBr + Fe = FeBr2 + H2
FeC + O2 = CO + Fe =>
2 FeC + O2 = 2 CO + 2 Fe
O3 = O2 =>
2 O3 = 3 O2
Na2CO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
C17H35COONa + Ca(HCO3)2 = (C17H35COO)2Ca + NaHCO3 =>
2 C17H35COONa + Ca(HCO3)2 = (C17H35COO)2Ca + 2 NaHCO3
Fe + No2 = FeNo3 =>
2 Fe + 3 No2 = 2 FeNo3
Sb4O6 + NaOH = Na3SbO3 + H2O =>
Sb4O6 + 12 NaOH = 4 Na3SbO3 + 6 H2O
Ca(s) + S2(s) = CaS(s) =>
2 Ca(s) + S2(s) = 2 CaS(s)
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Ca + O3 = CaO =>
3 Ca + O3 = 3 CaO
HCl + Ag2O3 = AgCl3 + H2O =>
6 HCl + Ag2O3 = 2 AgCl3 + 3 H2O
N2(s) + F2(g) = NF4(g) =>
N2(s) + 4 F2(g) = 2 NF4(g)
Ca(NO3)2 + ZrO(NO3)2 + C3H7NO2 = CaZrO3 + CO2 + H2O + N2 =>
3 Ca(NO3)2 + 3 ZrO(NO3)2 + 4 C3H7NO2 = 3 CaZrO3 + 12 CO2 + 14 H2O + 8 N2
SO3 + H2 = SO2 + H2O =>
SO3 + H2 = SO2 + H2O
K2O + H2SO3 = K2SO3 + H2O =>
K2O + H2SO3 = K2SO3 + H2O
NaOH + N2S = Na2S + NOH =>
2 NaOH + N2S = Na2S + 2 NOH
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