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Na2[Be(OH)4] + 2 HCl = BeCl2 + 2 NaOH + 2 H2O
Mg + Sc{3+} = Mg{2+} + Sc =>
3 Mg + 2 Sc{3+} = 3 Mg{2+} + 2 Sc
Ag2CO3 + H2O = Ag2O + H2CO3 =>
Ag2CO3 + H2O = Ag2O + H2CO3
GaHCO3 + H2SO4 = Ga2SO4 + CO2 + H2O =>
2 GaHCO3 + H2SO4 = Ga2SO4 + 2 CO2 + 2 H2O
FeSO4 + Ba(NO3)2 = Fe(NO3)2 + BaSO4 =>
FeSO4 + Ba(NO3)2 = Fe(NO3)2 + BaSO4
Ag2S8 = S2 + Ag =>
Ag2S8 = 4 S2 + 2 Ag
Mg(NO3)2 = (t)Mg(NO2)2 + O2 =>
Mg(NO3)2 = (t)Mg(NO2)2 + O2
KMnO4 + Zn + KOH = K2MnO4 + Zn(OH)2 =>
2 KMnO4 + Zn + 2 KOH = 2 K2MnO4 + Zn(OH)2
Br + O2 = Br2O5 =>
4 Br + 5 O2 = 2 Br2O5
P4 + I2 = PI3 =>
P4 + 6 I2 = 4 PI3
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2(l) =>
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2(l)
Cr2O3 + KOH + H2O = K3Cr(OH)6 =>
Cr2O3 + 6 KOH + 3 H2O = 2 K3Cr(OH)6
PbCl2 + Mn = Pb + MnCl2 =>
PbCl2 + Mn = Pb + MnCl2
CaO + H2CO3 = CaCO3 + H2O =>
CaO + H2CO3 = CaCO3 + H2O
Br + O2 = Br2O7 =>
4 Br + 7 O2 = 2 Br2O7
Br + O2 = BrO3 =>
2 Br + 3 O2 = 2 BrO3
I2 + P4 = PI5 =>
10 I2 + P4 = 4 PI5
H2SO4 + Ag = AgSO4 + SO2 + H2O =>
2 H2SO4 + Ag = AgSO4 + SO2 + 2 H2O
CH2CHCHCH2 + Na = NaCHCHCHCHNa + H2 =>
CH2CHCHCH2 + 2 Na = NaCHCHCHCHNa + H2
Cr2O3(s) + C(s) = Cr(s) + CO2(g) =>
2 Cr2O3(s) + 3 C(s) = 4 Cr(s) + 3 CO2(g)
SnS + NaHS = Na2SnS3 + H =>
SnS + 2 NaHS = Na2SnS3 + 2 H
Ca(NO3)2 + Al = CaO + N2 + Al2O3 =>
3 Ca(NO3)2 + 10 Al = 3 CaO + 3 N2 + 5 Al2O3
H2(g) + Cl2(g) = HCl(g) =>
H2(g) + Cl2(g) = 2 HCl(g)
Na2S2 + HCl = NaCl + HS =>
Na2S2 + 2 HCl = 2 NaCl + 2 HS
I3 + Ag = AgI =>
I3 + 3 Ag = 3 AgI
KMnO4 + CH3CH2OH + NaOH = K2MnO4 + Na2MnO4 + CH3CHO + H2O =>
2 KMnO4 + CH3CH2OH + 2 NaOH = K2MnO4 + Na2MnO4 + CH3CHO + 2 H2O
Cu + Ag(NO3)2 = Cu(NO3) + Ag =>
2 Cu + Ag(NO3)2 = 2 Cu(NO3) + Ag
Zn + AgBr = ZnBr + Ag =>
Zn + AgBr = ZnBr + Ag
Na2[Zn(OH)4] + H2SO4 = Zn(OH)2 + Na2SO4 + H2O =>
Na2[Zn(OH)4] + H2SO4 = Zn(OH)2 + Na2SO4 + 2 H2O
HI + H2SO4 = S + I2 + H2O =>
6 HI + H2SO4 = S + 3 I2 + 4 H2O
H2(g) + O2(g) = H2O(g) =>
2 H2(g) + O2(g) = 2 H2O(g)
CuO + NH4 = Cu + H2O + N =>
2 CuO + NH4 = 2 Cu + 2 H2O + N
K3[Cr(OH)6] = Cr(OH)3 + KOH =>
K3[Cr(OH)6] = Cr(OH)3 + 3 KOH
Nh3 + Br2 = Nh4Br =>
8 Nh3 + 3 Br2 = 6 Nh4Br
KHCO3 + Na2CO3 = K2CO3 + NaHCO3 =>
2 KHCO3 + Na2CO3 = K2CO3 + 2 NaHCO3
Cr2O3 = Cr + O2 =>
2 Cr2O3 = 4 Cr + 3 O2
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COH + H2O =>
K2Cr2O7 + 3 CH3CH2OH + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3COH + 7 H2O
HCl(aq) + CaSO4(s) = CaCl2 + H2SO4 =>
2 HCl(aq) + CaSO4(s) = CaCl2 + H2SO4
CaCO3 + HNO3 = Ca(NO3)2 + H2CO3 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2CO3
Cr2O3 + KOH + H2O = K[Cr(OH)4] =>
Cr2O3 + 2 KOH + 3 H2O = 2 K[Cr(OH)4]
HClO + HI = HCl + I2 + H2O =>
HClO + 2 HI = HCl + I2 + H2O
Cu + Ag(NO3)2 = CuNO3 + Ag =>
2 Cu + Ag(NO3)2 = 2 CuNO3 + Ag
K2C2O6 = K2CO3 + CO2 + O2 =>
2 K2C2O6 = 2 K2CO3 + 2 CO2 + O2
S2Cl2 + NH3 = S4N4 + NH4Cl + S =>
6 S2Cl2 + 16 NH3 = S4N4 + 12 NH4Cl + 8 S
Li2O + MgO = Li2Mg + O2 =>
Li2O + MgO = Li2Mg + O2
KO2 = K2O + O2 =>
4 KO2 = 2 K2O + 3 O2
SO2Br2 = SO2 + Br2 =>
SO2Br2 = SO2 + Br2
KOH + H3AsO4 = K2HAsO4 + H2O =>
2 KOH + H3AsO4 = K2HAsO4 + 2 H2O
As2O3 + C = As + CO =>
As2O3 + 3 C = 2 As + 3 CO
P4 + I2 = P3I3 =>
3 P4 + 6 I2 = 4 P3I3
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