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2 K2CrO4 + 3 K2S + 8 H2O = 2 Cr(OH)3 + 3 S + 10 KOH
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
K4Fe(CN)6(aq) + H2SO4(aq) + H2O(l) = K2SO4(aq) + FeSO4(aq) + (NH4)2SO4(aq) + CO(g) =>
K4Fe(CN)6(aq) + 6 H2SO4(aq) + 6 H2O(l) = 2 K2SO4(aq) + FeSO4(aq) + 3(NH4)2SO4(aq) + 6 CO(g)
Fe(OH)2 + HN3 = Fe + N2 + H2O =>
Fe(OH)2 + 2 HN3 = Fe + 3 N2 + 2 H2O
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
2 HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2 H2O
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
FeS + O2 + NaCN + H2O = Fe(OH)3 + NaCNS =>
4 FeS + 3 O2 + 4 NaCN + 6 H2O = 4 Fe(OH)3 + 4 NaCNS
TiO2 + H2S = TiS2 + H2O =>
TiO2 + 2 H2S = TiS2 + 2 H2O
Cu(CH3COO)2 + H2O = CuO + CH3COOH =>
Cu(CH3COO)2 + H2O = CuO + 2 CH3COOH
Cu(NO3)2 + KOH = CuOH + K + NO3 =>
Cu(NO3)2 + KOH = CuOH + K + 2 NO3
AgNO3 = O2 + NO2 + Ag =>
2 AgNO3 = O2 + 2 NO2 + 2 Ag
C8H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C8H10(g) + 21 O2(g) = 16 CO2(g) + 10 H2O(g)
Mn + Al(C2H3O2)3 = Al + Mn(C2H3O2)3 =>
Mn + Al(C2H3O2)3 = Al + Mn(C2H3O2)3
C2H4(OH)2 + HCOOH = CH3COOC2H4 + H2O =>
11 C2H4(OH)2 + 2 HCOOH = 6 CH3COOC2H4 + 14 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C8H10(g) + O2(g) = CO(g) + H2O(g) =>
2 C8H10(g) + 13 O2(g) = 16 CO(g) + 10 H2O(g)
NS + HCl2 + HNO3 = NCl2NO + S + H2O =>
7 NS + 5 HCl2 + 3 HNO3 = 5 NCl2NO + 7 S + 4 H2O
Zn + HNO3 = NH3 + ZnO + NO =>
7 Zn + 3 HNO3 = NH3 + 7 ZnO + 2 NO
Fe + Sn = FeSn4 =>
Fe + 4 Sn = FeSn4
SrCl2(aq) + AgNO3(aq) = SrCl2AgNO3 =>
SrCl2(aq) + AgNO3(aq) = SrCl2AgNO3
Fe2O3 + Cl2 + OH{-} = (FeO4){2-} + Cl{-} + H2O =>
Fe2O3 + 3 Cl2 + 10 OH{-} = 2(FeO4){2-} + 6 Cl{-} + 5 H2O
Pb + H2 = Pb3H4 =>
3 Pb + 2 H2 = Pb3H4
ZnSO4(aq) + Ba(OH)2(aq) = Zn(OH)2(s) + BaSO4(s) =>
ZnSO4(aq) + Ba(OH)2(aq) = Zn(OH)2(s) + BaSO4(s)
KBr + AgClO4 = AgBr + KClO4 =>
KBr + AgClO4 = AgBr + KClO4
HClO3 + Ba(OH)2 = Ba(ClO3)2 + H2O =>
2 HClO3 + Ba(OH)2 = Ba(ClO3)2 + 2 H2O
C9H12 + KMnO4 + KOH = C9H3O6K3 + K2MnO4 + H2O =>
C9H12 + 18 KMnO4 + 21 KOH = C9H3O6K3 + 18 K2MnO4 + 15 H2O
Fe + Na2SiO3 = Fe(SiO3)3 + Na =>
Fe + 3 Na2SiO3 = Fe(SiO3)3 + 6 Na
FeS + HBr = FeBr2 + H2S =>
FeS + 2 HBr = FeBr2 + H2S
ZnSO4(aq) + Ba(OH)2(aq) = Zn(OH)2 + BaSO4 =>
ZnSO4(aq) + Ba(OH)2(aq) = Zn(OH)2 + BaSO4
C7H14 + Cl2 = C7H12 + HCl =>
C7H14 + Cl2 = C7H12 + 2 HCl
Cu2S + H2SO4 = SO2 + CuSO4 + H2O =>
Cu2S + 6 H2SO4 = 5 SO2 + 2 CuSO4 + 6 H2O
NaHSO4 + NaOCl = HOCl + Na2SO4 =>
NaHSO4 + NaOCl = HOCl + Na2SO4
Ba(OH)2(aq) + ZnSO4(aq) = BaSO4(s) + Zn(OH)2 =>
Ba(OH)2(aq) + ZnSO4(aq) = BaSO4(s) + Zn(OH)2
PbI2 + CH3COOH = Pb(CH3COOH) + I2 =>
PbI2 + CH3COOH = Pb(CH3COOH) + I2
Fe(CN)2 + HI = FeI2 + HCN =>
Fe(CN)2 + 2 HI = FeI2 + 2 HCN
Al(OH)3 + NaHCO3 = NaAlO2 + H2O + CO2 =>
Al(OH)3 + NaHCO3 = NaAlO2 + 2 H2O + CO2
HCOOH + BaCl2 = Ba(COOH)2 + HCl =>
2 HCOOH + BaCl2 = Ba(COOH)2 + 2 HCl
Na2S2O3(l) + H2SO4 = H2S(l) + Na2SO4(l) + SO(l) =>
2 Na2S2O3(l) + H2SO4 = H2S(l) + 2 Na2SO4(l) + 2 SO(l)
NaHCO3 + Al(OH)3 = Al2(CO3)3 + Na2CO3 + H2O =>
6 NaHCO3 + 2 Al(OH)3 = Al2(CO3)3 + 3 Na2CO3 + 6 H2O
Cu(s) + H2SO4(l) = CuSO4(s) + H2O(l) + SO2(g) =>
Cu(s) + 2 H2SO4(l) = CuSO4(s) + 2 H2O(l) + SO2(g)
NH2OH + O2 = NO + H2O =>
4 NH2OH + 3 O2 = 4 NO + 6 H2O
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
Al(OH)3 + NaHCO3 = Al(HCO3)3 + NaOH =>
Al(OH)3 + 3 NaHCO3 = Al(HCO3)3 + 3 NaOH
Ca + C2O4 = CaC2O4 =>
Ca + C2O4 = CaC2O4
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
CO2 + NaOH = H2O + Na2CO3 =>
CO2 + 2 NaOH = H2O + Na2CO3
NaClO2 + NaHSO4 = ClO2 + NaCl + Na2SO4 + H2O =>
5 NaClO2 + 4 NaHSO4 = 4 ClO2 + NaCl + 4 Na2SO4 + 2 H2O
Br2 + NaOH = NaBrO3 + H2O + NaBr =>
3 Br2 + 6 NaOH = NaBrO3 + 3 H2O + 5 NaBr
Zn(HCO3)2 = ZnCO3 + H2O + CO2 =>
Zn(HCO3)2 = ZnCO3 + H2O + CO2
NH4OH + H2SO4 = (NH4)2SO4 + H(OH) =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 H(OH)
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