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2 H3BO3 + 3 Zn(OH)2 = Zn3(BO3)2 + 6 H2O
Na2CO3(s) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 CH3COOH(aq) = 2 NaCH3COO(aq) + H2O(l) + CO2(g)
K2(SO4) + Pb(NO3) = K2(NO3) + SO4(Pb) =>
K2(SO4) + Pb(NO3) = K2(NO3) + SO4(Pb)
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
Mg(s) + H2(g) = MgH2(s) =>
Mg(s) + H2(g) = MgH2(s)
Zn(NO3)2 + K3Fe(CN)6 = Zn3(Fe(CN)6)2 + KNO3 =>
3 Zn(NO3)2 + 2 K3Fe(CN)6 = Zn3(Fe(CN)6)2 + 6 KNO3
Na2(CO3) + HCl = NaCl + H2CO3 =>
Na2(CO3) + 2 HCl = 2 NaCl + H2CO3
C7H13NO2 + O2 = CO2 + H2O + N2O =>
2 C7H13NO2 + 19 O2 = 14 CO2 + 13 H2O + N2O
K3O4P + MgCl2 = Mg3O8P2 + KCl =>
2 K3O4P + 3 MgCl2 = Mg3O8P2 + 6 KCl
Fe(NO3)2 + KF = FeF2 + KNO3 =>
Fe(NO3)2 + 2 KF = FeF2 + 2 KNO3
Cu + AuI3 = CuI3 + Au =>
Cu + AuI3 = CuI3 + Au
Fe2 + Si = Fe2Si =>
Fe2 + Si = Fe2Si
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
FeCl3 + K2C2O4 = K5Fe(C2O4)4 + KCl =>
FeCl3 + 4 K2C2O4 = K5Fe(C2O4)4 + 3 KCl
F2 + Mn = F{-} + Mn{2+} =>
F2 + Mn = 2 F{-} + Mn{2+}
H2O2 + I2 = HIO4 + H2O =>
7 H2O2 + I2 = 2 HIO4 + 6 H2O
Al(OH)3(aq) + HC2H3O2(aq) = Al(C2H3O2)3(aq) + H2O(l) =>
Al(OH)3(aq) + 3 HC2H3O2(aq) = Al(C2H3O2)3(aq) + 3 H2O(l)
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
ZnS + CO2 = ZnO + CO + SO2 =>
ZnS + 3 CO2 = ZnO + 3 CO + SO2
Na2[SO4] + Pb[NO3]2 = Na[NO3] + Pb[SO4] =>
Na2[SO4] + Pb[NO3]2 = 2 Na[NO3] + Pb[SO4]
Br2 + CaI = CaBr2 + I2 =>
2 Br2 + 2 CaI = 2 CaBr2 + I2
H3COH + (Cr2O7){2-} + H{+} = H2CO + Cr{3+} + H2O =>
3 H3COH + (Cr2O7){2-} + 8 H{+} = 3 H2CO + 2 Cr{3+} + 7 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na + HPO3 = Na3PO4 + H2 + P =>
9 Na + 4 HPO3 = 3 Na3PO4 + 2 H2 + P
Al(NO3)3 + NaHCO3 = Al2(CO3)3 + NaH(NO3)2 =>
2 Al(NO3)3 + 3 NaHCO3 = Al2(CO3)3 + 3 NaH(NO3)2
PbO + S = Pb + SO2 =>
2 PbO + S = 2 Pb + SO2
CrO2{-} + ClO{-} = CrO42{-} + Cl{-} =>
CrO2{-} + 40 ClO{-} = CrO42{-} + 40 Cl{-}
Cr2(SO4)3 + CH3COONa + H2O = Cr(OH)2CH3COO + CH3COOH + Na2SO4 =>
Cr2(SO4)3 + 6 CH3COONa + 4 H2O = 2 Cr(OH)2CH3COO + 4 CH3COOH + 3 Na2SO4
N2 + O2(g) = NO2(g) =>
N2 + 2 O2(g) = 2 NO2(g)
CrO2 + H2O = H2CrO4 + H2 =>
CrO2 + 2 H2O = H2CrO4 + H2
Sn + Li2O = SnO2 + Li =>
Sn + 2 Li2O = SnO2 + 4 Li
K2C2O4 + FeCl3 = FeK3(C2O4)3 + KCl =>
3 K2C2O4 + FeCl3 = FeK3(C2O4)3 + 3 KCl
H2S + NO2 = SO2 + NO + H2O =>
H2S + 3 NO2 = SO2 + 3 NO + H2O
Mn2O5 + H2 = Mn + H2O =>
Mn2O5 + 5 H2 = 2 Mn + 5 H2O
MgF2 + H2O = Mg(OH)2 + HF =>
MgF2 + 2 H2O = Mg(OH)2 + 2 HF
H3PO3 + Mg(OH)2 = MgPO3 + H3(OH)2 =>
H3PO3 + Mg(OH)2 = MgPO3 + H3(OH)2
P4(g) + O2(g) = P4O10 =>
P4(g) + 5 O2(g) = P4O10
Cl + NO3 = ClO3 + NO2 =>
Cl + 3 NO3 = ClO3 + 3 NO2
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
KClO3 + Fe(OH)3 = KOH + Fe(ClO3)3 =>
3 KClO3 + Fe(OH)3 = 3 KOH + Fe(ClO3)3
Zn + KBrO3 + H2SO4 = Br2 + ZnSO4 + K2SO4 + H2O =>
5 Zn + 2 KBrO3 + 6 H2SO4 = Br2 + 5 ZnSO4 + K2SO4 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe(ClO4)3 + KOH = Fe(OH)3 + KClO4 =>
Fe(ClO4)3 + 3 KOH = Fe(OH)3 + 3 KClO4
HI + LiOH = H2O + LiI =>
HI + LiOH = H2O + LiI
PbO + S = Pb + SO3 =>
3 PbO + S = 3 Pb + SO3
C57H104O6 + CH3OH = C19H36O2 + H2O =>
3 C57H104O6 + 38 CH3OH = 11 C19H36O2 + 34 H2O
Mn + HClO = MnO2 + Cl + H =>
Mn + 2 HClO = MnO2 + 2 Cl + 2 H
CH3CH2COOH + C3H7OH = HCOOC3H7 + H2O =>
3 CH3CH2COOH + C3H7OH = 3 HCOOC3H7 + H2O
Al(s) + Cu{2+}(aq) = Al{3+}(aq) + Cu(s) =>
2 Al(s) + 3 Cu{2+}(aq) = 2 Al{3+}(aq) + 3 Cu(s)
Cl2 + NO + H2O = Cl{-} + NO3{-} + H{+} =>
3 Cl2 + 2 NO + 4 H2O = 6 Cl{-} + 2 NO3{-} + 8 H{+}
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