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2 HF + H2O = F2O + 2 H2
Mg + ZnS = MgS + Zn =>
Mg + ZnS = MgS + Zn
Na + HNO3 = NaNO3 + N2O + H2O =>
8 Na + 10 HNO3 = 8 NaNO3 + N2O + 5 H2O
C2H5OH + H2O = C6H12O6 + H4 =>
3 C2H5OH + 3 H2O = C6H12O6 + 3 H4
Ag2CO3 = CO2 + Ag + O2 =>
2 Ag2CO3 = 2 CO2 + 4 Ag + O2
Ca + Cr(C2H3O2)3 = Ca(C2H3O2) + Cr =>
3 Ca + Cr(C2H3O2)3 = 3 Ca(C2H3O2) + Cr
Fe(NO3)3 + Sn(s) = Fe(s) + Sn(NO3)2 =>
2 Fe(NO3)3 + 3 Sn(s) = 2 Fe(s) + 3 Sn(NO3)2
HCOOH + Ni(CH3COO)2 = Ni(COOH)2 + CH3COOH =>
2 HCOOH + Ni(CH3COO)2 = Ni(COOH)2 + 2 CH3COOH
ZnO + H2O + NaOH = Na2[Zn(OH)4] =>
ZnO + H2O + 2 NaOH = Na2[Zn(OH)4]
H3O = H2(OH) =>
H3O = H2(OH)
NaOH + CaBr2 = NaBr2 + OHCa =>
NaOH + CaBr2 = NaBr2 + OHCa
Mg{+} + Sc{3+} = Mg{2+} + Sc =>
3 Mg{+} + Sc{3+} = 3 Mg{2+} + Sc
U + NaNO3 + NaOH = Na2U2O7 + NaNO2 + H2O =>
2 U + 6 NaNO3 + 2 NaOH = Na2U2O7 + 6 NaNO2 + H2O
CH3CH2Cl + H2O = CH3CH2OH + HCl =>
CH3CH2Cl + H2O = CH3CH2OH + HCl
NiBr2 + Fe = FeBr3 + Ni =>
3 NiBr2 + 2 Fe = 2 FeBr3 + 3 Ni
Br2 + H2O + SO2 = HBr + H2SO4 =>
Br2 + 2 H2O + SO2 = 2 HBr + H2SO4
NH4CO3 + HCl = HClCO3 + NH4 =>
NH4CO3 + HCl = HClCO3 + NH4
Na2CO3 + CH3COOH = H2O + CH3COONa + CO2 =>
Na2CO3 + 2 CH3COOH = H2O + 2 CH3COONa + CO2
(c)Fe(s) + S(l) = Fe2S3(s) =>
2(c)Fe(s) + 3 S(l) = Fe2S3(s)
GeH6 + S = GeS2 + H2S =>
GeH6 + 5 S = GeS2 + 3 H2S
Fe2(s) + O2(g) + H2O(l) = Fe(OH)2(aq) =>
Fe2(s) + O2(g) + 2 H2O(l) = 2 Fe(OH)2(aq)
Ba + NaOH + NH3 = Ba(OH)2 + NaNH3 =>
Ba + 2 NaOH + 2 NH3 = Ba(OH)2 + 2 NaNH3
H2SO4 + Be(OH)2 = BeSO4 + H2O =>
H2SO4 + Be(OH)2 = BeSO4 + 2 H2O
CH4 + Cl1 = CH2Cl2 + HCl =>
CH4 + 4 Cl1 = CH2Cl2 + 2 HCl
Al + H2SO3 = Al2(SO3)4 + H2 =>
2 Al + 4 H2SO3 = Al2(SO3)4 + 4 H2
Fe(NO3)3(aq) + NH4NCS(aq) = FeNCS(aq) + NH4(NO3)3 =>
Fe(NO3)3(aq) + NH4NCS(aq) = FeNCS(aq) + NH4(NO3)3
Hg2Cl2 + NH3 + H2O = NH4Cl + Hg2(OH)2 =>
Hg2Cl2 + 2 NH3 + 2 H2O = 2 NH4Cl + Hg2(OH)2
Hg{2+} + Cl{-} = HgCl4{2-} =>
Hg{2+} + 4 Cl{-} = HgCl4{2-}
K3(Fe(OH)6) + H2SO4 = K2SO4 + Fe2(SO4)3 + H2O =>
2 K3(Fe(OH)6) + 6 H2SO4 = 3 K2SO4 + Fe2(SO4)3 + 12 H2O
MnCl3 + NaBiO3 + HCl = NaMnO4 + BiCl3 + NaCl + H2O =>
MnCl3 + 2 NaBiO3 + 4 HCl = NaMnO4 + 2 BiCl3 + NaCl + 2 H2O
Li + K2SO4 = Li2SO4 + K2 =>
2 Li + K2SO4 = Li2SO4 + K2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl =>
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl
Zn(OH)2 + HF + HBr = ZnFBr + H2O =>
Zn(OH)2 + HF + HBr = ZnFBr + 2 H2O
K3Fe(CN)6 + CuSO4 = K2SO4 + Cu3(Fe(CN)6)2 =>
2 K3Fe(CN)6 + 3 CuSO4 = 3 K2SO4 + Cu3(Fe(CN)6)2
C3H6O + Cu{2+} + OH{-} = CH3COO{-} + Cu2O + H2O =>
2 C3H6O + 8 Cu{2+} + 19 OH{-} = 3 CH3COO{-} + 4 Cu2O + 11 H2O
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl =>
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl
H2SO4 + KBr = HBr + K2SO4 =>
H2SO4 + 2 KBr = 2 HBr + K2SO4
MgSO4 + NaOH = Mg(OH)2 + Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2 + Na2SO4
Mg + FeCl2 = Fe + MgCl2 =>
Mg + FeCl2 = Fe + MgCl2
Os + H2O = Os2O3 + H2 =>
2 Os + 3 H2O = Os2O3 + 3 H2
Pb(NO3)2 + (NH4)2S = PbS + NH4NO3 =>
Pb(NO3)2 + (NH4)2S = PbS + 2 NH4NO3
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl =>
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl
(CH3) + O2 = CO2 + H2O =>
4(CH3) + 7 O2 = 4 CO2 + 6 H2O
Zn + Se = ZnSe =>
Zn + Se = ZnSe
Pb(OH)2 + SiO2 = PbSiO3 + H2O =>
Pb(OH)2 + SiO2 = PbSiO3 + H2O
MgH2Co3 = MgCo3H2 =>
MgH2Co3 = MgCo3H2
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl =>
FeCl3 + K2S + H2O = KHS + Fe(OH)Cl2 + KCl
Pb(OAc)2 + NaOH = PbOH + Na(OAc)2 =>
Pb(OAc)2 + NaOH = PbOH + Na(OAc)2
C4H10 = C8H18 + H2 =>
2 C4H10 = C8H18 + H2
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