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Na2S + 4 Zn + 4 H2O = Na2(ZnOH)4 + 2 H2 + S
P + Br2 = PBr3 =>
2 P + 3 Br2 = 2 PBr3
P2O5 + H2O = P2H6O8 =>
P2O5 + 3 H2O = P2H6O8
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
(NH4)2S + AgCrO4 = Cr(OH)3 + Ag2S + S + NH3 + H2O =>
5(NH4)2S + 2 AgCrO4 = 2 Cr(OH)3 + Ag2S + 4 S + 10 NH3 + 2 H2O
Cu2 + Au(NO3)3 = Au3 + Cu(NO3)2 =>
9 Cu2 + 12 Au(NO3)3 = 4 Au3 + 18 Cu(NO3)2
FeCl3*6H2O + FeSO4*7H2O + NH3H2O = Fe3O4 + H2O + NH4Cl + (NH4)2SO4 =>
2 FeCl3*6H2O + FeSO4*7H2O + 8 NH3H2O = Fe3O4 + 23 H2O + 6 NH4Cl + (NH4)2SO4
AsCl3 + KBr = AsBr3 + KCl =>
AsCl3 + 3 KBr = AsBr3 + 3 KCl
KCl + FeCl3 = KCl2 + FeCl2 =>
KCl + FeCl3 = KCl2 + FeCl2
sulfur + ozone = sulfurdioxide =>
3 S + 2 O3 = 3 SO2
A1 + I2 = A1I3 =>
2 A1 + 3 I2 = 2 A1I3
Zn + F2 = ZnF2 =>
Zn + F2 = ZnF2
C7H6O2 + NaOH = C7H5O2 + Na + H2O =>
C7H6O2 + NaOH = C7H5O2 + Na + H2O
Na(CH3COO)(aq) + HCl(aq) = H(CH3COO)(aq) + NaCl(s) =>
Na(CH3COO)(aq) + HCl(aq) = H(CH3COO)(aq) + NaCl(s)
CH3CHO + Ca(OH)2 = CH3COOH + CaO + H2 =>
CH3CHO + Ca(OH)2 = CH3COOH + CaO + H2
Pb(OH)2 + Hg2S = PbS + Hg + OH =>
Pb(OH)2 + Hg2S = PbS + 2 Hg + 2 OH
NaVO3 + CH3CH2OH + H2SO4 = VOSO4 + Na2SO4 + CH3CHO + H2O =>
2 NaVO3 + CH3CH2OH + 3 H2SO4 = 2 VOSO4 + Na2SO4 + CH3CHO + 4 H2O
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq) =>
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq)
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
CrO4{-2} + SO3{-2} + H2O = Cr(OH)3 + SO4{-2} + OH{-} =>
2 CrO4{-2} + 3 SO3{-2} + 5 H2O = 2 Cr(OH)3 + 3 SO4{-2} + 4 OH{-}
CO2 + NaOH = C(OH)2 + NaO =>
CO2 + 2 NaOH = C(OH)2 + 2 NaO
S6 + O2 = SO2 =>
S6 + 6 O2 = 6 SO2
AgO + NH3 = N2 + H2O + Ag =>
3 AgO + 2 NH3 = N2 + 3 H2O + 3 Ag
Au(s) + HNO3(aq) + HCl(aq) = HAuCl4(aq) + NO2(g) + H2O(l) =>
Au(s) + 3 HNO3(aq) + 4 HCl(aq) = HAuCl4(aq) + 3 NO2(g) + 3 H2O(l)
K2S + CO(NO3)2 = KNO3 + COS =>
K2S + CO(NO3)2 = 2 KNO3 + COS
Sn + HCl = SnH + Cl2 =>
2 Sn + 2 HCl = 2 SnH + Cl2
CuSO4*5H2O + O2 = CuO + SO4 + H2O =>
2 CuSO4*5H2O + O2 = 2 CuO + 2 SO4 + 10 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ca(NO3)2 + AgF = AgNO3 + CaF2 =>
Ca(NO3)2 + 2 AgF = 2 AgNO3 + CaF2
Mn2O3 + CO = CO2 + Mn =>
Mn2O3 + 3 CO = 3 CO2 + 2 Mn
C3H4O + KMnO4 + H2O = C3H6O3 + MnO2 + KOH =>
3 C3H4O + 2 KMnO4 + 4 H2O = 3 C3H6O3 + 2 MnO2 + 2 KOH
Ca(NO3)2 + NH4OH = Ca(NO3)2*NH4OH =>
Ca(NO3)2 + NH4OH = Ca(NO3)2*NH4OH
H2 + Na2SO4 = H2SO4 + Na =>
H2 + Na2SO4 = H2SO4 + 2 Na
H2SO4 + Cu = CuSO4 + H2O + SO2 =>
2 H2SO4 + Cu = CuSO4 + 2 H2O + SO2
NaCl + NaHCO3 = Na2O + HCl + CO2 =>
NaCl + NaHCO3 = Na2O + HCl + CO2
CuS + HNO3 = CuSO4 + H2O + N2 =>
5 CuS + 8 HNO3 = 5 CuSO4 + 4 H2O + 4 N2
HCOOH + Ag2O = Ag2 + H2O + CO2 =>
HCOOH + Ag2O = Ag2 + H2O + CO2
Cu{+} + CrO4{-} = CuCrO4 =>
Cu{+} + CrO4{-} = CuCrO4
K(HCOO) + HOH = KOH + HCOOH =>
K(HCOO) + HOH = KOH + HCOOH
K2(HPO4) + BaCl2 = KCl + BaHPO4 =>
K2(HPO4) + BaCl2 = 2 KCl + BaHPO4
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
BH3(g) + H2O(l) = H3BO3 + H2 =>
BH3(g) + 3 H2O(l) = H3BO3 + 3 H2
K + O2 = K2O =>
4 K + O2 = 2 K2O
K2S2O8 + HCl = KCl + H2S2O8 =>
K2S2O8 + 2 HCl = 2 KCl + H2S2O8
CaCO3 + H2SiO3 = CaSiO3 + H2O + CO2 =>
CaCO3 + H2SiO3 = CaSiO3 + H2O + CO2
FeCl3 + H2SO4 + Zn = Cl3H2 + ZnSO4 + Fe =>
FeCl3 + H2SO4 + Zn = Cl3H2 + ZnSO4 + Fe
CH3OH + [O] = CH3CHO + H2O =>
2 CH3OH + [O] = CH3CHO + 2 H2O
Cu2O + H2SO4 = Cu2(SO4)2 + Cu + H2O =>
2 Cu2O + 2 H2SO4 = Cu2(SO4)2 + 2 Cu + 2 H2O
KCl2 + Cl = KCl3 =>
KCl2 + Cl = KCl3
H2TeO4 + LiOH = Li2TeO4 + H2O =>
H2TeO4 + 2 LiOH = Li2TeO4 + 2 H2O
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