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4 Al + 3 Zr{4+} = 4 Al{3+} + 3 Zr
Ca(SO4) = CaO + SO3 =>
Ca(SO4) = CaO + SO3
KCl + (NH4)2SO4 = K2SO4 + NH3 + HCl =>
2 KCl + (NH4)2SO4 = K2SO4 + 2 NH3 + 2 HCl
Si(OH)4 + NaBr = SiBr4 + NaOH =>
Si(OH)4 + 4 NaBr = SiBr4 + 4 NaOH
C3H6O3 + H2O = H3O + C3H5O3 =>
C3H6O3 + H2O = H3O + C3H5O3
Al + NaF = AlF3 + Na =>
Al + 3 NaF = AlF3 + 3 Na
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
NO2 + KOH = KNO3 + NO + H2O =>
3 NO2 + 2 KOH = 2 KNO3 + NO + H2O
NH4 + HClO4 = NH4ClO4 + H =>
NH4 + HClO4 = NH4ClO4 + H
(NH4)2CO3 + H3PO4 = (NH4)3PO4 + H2O + CO2 =>
3(NH4)2CO3 + 2 H3PO4 = 2(NH4)3PO4 + 3 H2O + 3 CO2
HgNH2Cl + Cl{-} + NO3{-} = OH{-} + HgCl4{-2} + N2 + H2O =>
5 HgNH2Cl + 15 Cl{-} + 3 NO3{-} = 8 OH{-} + 5 HgCl4{-2} + 4 N2 + H2O
H{+} + Cr2O7{2-} + Cl{-} = Cr{3+} + Cl2 + H2O =>
14 H{+} + Cr2O7{2-} + 6 Cl{-} = 2 Cr{3+} + 3 Cl2 + 7 H2O
Cl2 + CuI = CuCl2 + I =>
Cl2 + CuI = CuCl2 + I
Pb + Na2S = PbS + Na =>
Pb + Na2S = PbS + 2 Na
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
Na2Co3 + HCl = NaCl + H2Co3 =>
Na2Co3 + 2 HCl = 2 NaCl + H2Co3
C3H6Br + Zn = C3H6 + ZnBr2 =>
2 C3H6Br + Zn = 2 C3H6 + ZnBr2
K2CrO4 + Na2CrO4 + HCl = K2Cr2O7 + NaCl + H2O =>
K2CrO4 + Na2CrO4 + 2 HCl = K2Cr2O7 + 2 NaCl + H2O
K2O + CH3CH2COOH = CH3CH2COOK + H2O =>
K2O + 2 CH3CH2COOH = 2 CH3CH2COOK + H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Ca + H3PO4 = Ca3(PO4)2 + H2 =>
3 Ca + 2 H3PO4 = Ca3(PO4)2 + 3 H2
Sr(HCO3)2 = Sr + (HCO3) =>
Sr(HCO3)2 = Sr + 2(HCO3)
Ce(OH)3 = CeO2 + H2O + H =>
Ce(OH)3 = CeO2 + H2O + H
CaCO3 + AlBr3 = CaBr2 + Al2(CO3)3 =>
3 CaCO3 + 2 AlBr3 = 3 CaBr2 + Al2(CO3)3
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
KOH + H2 = KH2 + OH =>
KOH + H2 = KH2 + OH
C6H6 + H2O = C2H4O2 + C3H7OH =>
2 C6H6 + 8 H2O = 3 C2H4O2 + 2 C3H7OH
H2 + NaCl = NaH + Cl =>
H2 + 2 NaCl = 2 NaH + 2 Cl
CH3NH2 + H2O = CH3OH + NH3 =>
CH3NH2 + H2O = CH3OH + NH3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HCl(aq) + K2SO3(s) = H2O(l) + KCl(aq) + SO2(g) =>
2 HCl(aq) + K2SO3(s) = H2O(l) + 2 KCl(aq) + SO2(g)
BaCl2 + HCl = Ba(H)2 + Cl =>
BaCl2 + 2 HCl = Ba(H)2 + 4 Cl
CH3CH2OH(l) + O2(g) = CH3CHO(aq) + H2O(l) =>
2 CH3CH2OH(l) + O2(g) = 2 CH3CHO(aq) + 2 H2O(l)
NH3 + FeO = Fe + N2 + H2O =>
2 NH3 + 3 FeO = 3 Fe + N2 + 3 H2O
P + OH{-} + H2O = H2PO2{-} + P2H4 =>
6 P + 4 OH{-} + 4 H2O = 4 H2PO2{-} + P2H4
Ca3N2 + H2O = Ca(OH)2(s) + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2(s) + 2 NH3
Na2CO3 + Sn(NO3)4 = Sn(CO3)2 + NaNO3 =>
2 Na2CO3 + Sn(NO3)4 = Sn(CO3)2 + 4 NaNO3
Na2C2O4 + FeCl3 = Na3[Fe(C2O4)3] + NaCl =>
3 Na2C2O4 + FeCl3 = Na3[Fe(C2O4)3] + 3 NaCl
Fe(OH)2 + HNO2 = FeOHNO2 + H2O =>
Fe(OH)2 + HNO2 = FeOHNO2 + H2O
ethanol + O2 = aceticacid + H2O =>
C2H5OH + O2 = C2H4O2 + H2O
Ni(s) + O2(g) = NiO(s) =>
2 Ni(s) + O2(g) = 2 NiO(s)
KMnO4 + MnSO4 + H2O = MnO2 + K2SO4 + HMnO4 =>
6 KMnO4 + 3 MnSO4 + 2 H2O = 5 MnO2 + 3 K2SO4 + 4 HMnO4
N2O5 + CO2 = N2O7C =>
N2O5 + CO2 = N2O7C
CrCl + NaOH + H2O2 = Na2CrO4 + NaCl + H2O =>
2 CrCl + 6 NaOH + 5 H2O2 = 2 Na2CrO4 + 2 NaCl + 8 H2O
MnCl2 + H2O2 + KOH = MnO2 + H2O + KCl =>
MnCl2 + H2O2 + 2 KOH = MnO2 + 2 H2O + 2 KCl
B(CH3)3 + H2SO4 = BH3 + (CH3)2SO4 =>
2 B(CH3)3 + 3 H2SO4 = 2 BH3 + 3(CH3)2SO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2SiO3 + PT(OH)4 = PT(SiO3)2 + H2O =>
2 H2SiO3 + PT(OH)4 = PT(SiO3)2 + 4 H2O
CrCO3(s) + HI = CrI2 + CO2 + H2O =>
CrCO3(s) + 2 HI = CrI2 + CO2 + H2O
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