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4 CO2 + 2 H2O = 2 H2C2O4 + O2
NH4CH3COO + H2O = NH4OH + CH3COOH =>
NH4CH3COO + H2O = NH4OH + CH3COOH
Fe(OH)2 + HCl = FeCl2(aq) + H2O(l) =>
Fe(OH)2 + 2 HCl = FeCl2(aq) + 2 H2O(l)
N2H4 + H2SeO3 = H2O + N2 + Se =>
N2H4 + H2SeO3 = 3 H2O + N2 + Se
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Al + CaCl2 = Ca + AlCl3 =>
2 Al + 3 CaCl2 = 3 Ca + 2 AlCl3
Cl2(g) + O2(g) = ClO(g)2 =>
Cl2(g) + 2 O2(g) = 2 ClO(g)2
MnCl2 + NaOH = Mn(OH)2 + NaCl =>
MnCl2 + 2 NaOH = Mn(OH)2 + 2 NaCl
Cl + O3 = ClO =>
3 Cl + O3 = 3 ClO
FeSO4 + NaOCl = FeO + NaCl + SO4 =>
FeSO4 + NaOCl = FeO + NaCl + SO4
Al(NO3)3(aq) + NaOH(s) = Al(OH)3(s) + NaNO3(aq) =>
Al(NO3)3(aq) + 3 NaOH(s) = Al(OH)3(s) + 3 NaNO3(aq)
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
X2Y = X + Y =>
X2Y = 2 X + Y
AlNO3 + H2SO4 = Al2SO4 + HNO3 =>
2 AlNO3 + H2SO4 = Al2SO4 + 2 HNO3
FeHC2 = Fe + HC2 =>
FeHC2 = Fe + HC2
H2SiO3 + Cu(OH)2 = CuSiO3 + H2O =>
H2SiO3 + Cu(OH)2 = CuSiO3 + 2 H2O
K2CO3 + C20H14O4 = K2CO3C20H14O4 =>
K2CO3 + C20H14O4 = K2CO3C20H14O4
S2O3 + IO + Cl = SO4 + ICl2 =>
S2O3 + 5 IO + 10 Cl = 2 SO4 + 5 ICl2
BaCl2 + ZnSO4 = BaSO4 + ZnCl2 =>
BaCl2 + ZnSO4 = BaSO4 + ZnCl2
Ba(NO3)2 + KI = BaI2 + K(NO3) =>
Ba(NO3)2 + 2 KI = BaI2 + 2 K(NO3)
Ca2PbO4 + HCl + KI = PbCl2 + CaCl2 + I2 + H2O + KCl =>
Ca2PbO4 + 8 HCl + 2 KI = PbCl2 + 2 CaCl2 + I2 + 4 H2O + 2 KCl
FeCl3 + Br2 = FeBr3 + Cl =>
2 FeCl3 + 3 Br2 = 2 FeBr3 + 6 Cl
Na2O + H2O = (Na(OH)) =>
Na2O + H2O = 2(Na(OH))
Al + CuSO3 = Cu + Al2(SO3)3 =>
2 Al + 3 CuSO3 = 3 Cu + Al2(SO3)3
V2O5 + Fe = FeV + O2 =>
2 V2O5 + 4 Fe = 4 FeV + 5 O2
Ti(OH)2 + H2SO4 = TiOSO4 + H2O + H =>
Ti(OH)2 + H2SO4 = TiOSO4 + H2O + 2 H
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H{+} + MnO4{-} + SCN{-} = Mn{2+} + SO4{2-} + CO2 + N2 + H2O =>
56 H{+} + 22 MnO4{-} + 10 SCN{-} = 22 Mn{2+} + 10 SO4{2-} + 10 CO2 + 5 N2 + 28 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C6H10 + KMnO4 + H2O = MnO2 + KOH + C6H10OH =>
3 C6H10 + KMnO4 + 2 H2O = MnO2 + KOH + 3 C6H10OH
CH3OH + CO = CH3CHO + H2O =>
3 CH3OH + CO = 2 CH3CHO + 2 H2O
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
KMnO4 + HCl = Cl2 + MnCl2 + KCl + HOH =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 2 KCl + 8 HOH
PbBr2 + Mg = MgBr4 + Pb =>
2 PbBr2 + Mg = MgBr4 + 2 Pb
H2NOH + HCl = H2NCl + H2O =>
H2NOH + HCl = H2NCl + H2O
I2 + C6H10O5 = I2C6H10O5 =>
I2 + C6H10O5 = I2C6H10O5
Si + RbOH + H2O = Rb2SiO3 + H2 =>
Si + 2 RbOH + H2O = Rb2SiO3 + 2 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Br + NaI = I2 + NaBr =>
2 Br + 2 NaI = I2 + 2 NaBr
MgBr2 = Mg + Br =>
MgBr2 = Mg + 2 Br
NH4HSO4 + HCl = NH4Cl + H2O + SO3 =>
NH4HSO4 + HCl = NH4Cl + H2O + SO3
HCl + (NH4)2SO3 = H2SO3 + NH4Cl =>
2 HCl + (NH4)2SO3 = H2SO3 + 2 NH4Cl
Si + RbOH + H2O = Rb2SiO3 + H2 =>
Si + 2 RbOH + H2O = Rb2SiO3 + 2 H2
FeSO4 + K2Cr2O7 = K2SO4 + FeCr2O7 =>
FeSO4 + K2Cr2O7 = K2SO4 + FeCr2O7
H2O + NaHCO3 = NaH3CO4 =>
H2O + NaHCO3 = NaH3CO4
(CH3CH2)2NCH3 + HCl = (CH3CH2)2NHCH3 + Cl =>
(CH3CH2)2NCH3 + HCl = (CH3CH2)2NHCH3 + Cl
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
C4H9OH + O2 = C4H9O + OH =>
2 C4H9OH + O2 = 2 C4H9O + 2 OH
H3OBr + KOH = KBr + H2O =>
H3OBr + KOH = KBr + 2 H2O
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