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3 H2O + Cr2O3 = 2 Cr(OH)3
Cs2SO3 = Cs + SO3 =>
Cs2SO3 = 2 Cs + SO3
KOH + NaOH = KO + Na + H2O =>
KOH + NaOH = KO + Na + H2O
Cu + ArNO3 = Cu(NO3)2 + Ar =>
Cu + 2 ArNO3 = Cu(NO3)2 + 2 Ar
Zn(CH3COO)2 + Na2S = ZnS + CH3COONa =>
Zn(CH3COO)2 + Na2S = ZnS + 2 CH3COONa
K + PbBr2 = Pb + KBr =>
2 K + PbBr2 = Pb + 2 KBr
HNO3 + K = NH3 + KNO3 + H2O =>
9 HNO3 + 8 K = NH3 + 8 KNO3 + 3 H2O
CH3C(Br)2CH3 + NaOH = CH3CCH + H2O + NaBr =>
CH3C(Br)2CH3 + 2 NaOH = CH3CCH + 2 H2O + 2 NaBr
NH3(g) + Cl2(g) = N2(g) + NH4Cl(s) =>
8 NH3(g) + 3 Cl2(g) = N2(g) + 6 NH4Cl(s)
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
SiCa2 + H2O = Ca(OH)2 + SiH4 =>
SiCa2 + 4 H2O = 2 Ca(OH)2 + SiH4
Ca3N2 + Zn = Zn3N2 + Ca =>
Ca3N2 + 3 Zn = Zn3N2 + 3 Ca
SO3 + H2O(aq) = H2SO4 =>
SO3 + H2O(aq) = H2SO4
Zn + Pb3O4 = ZnO + PbO =>
Zn + Pb3O4 = ZnO + 3 PbO
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
AlCl3 + NaNO2 = Al(NO2)3 + NaCl =>
AlCl3 + 3 NaNO2 = Al(NO2)3 + 3 NaCl
Ge(s) + F2(g) = GeF4(s) =>
Ge(s) + 2 F2(g) = GeF4(s)
H2Te + KOH = H2O + K2Te =>
H2Te + 2 KOH = 2 H2O + K2Te
Na2S + AgNO3 = Ag2S + Na + NO3 =>
Na2S + 2 AgNO3 = Ag2S + 2 Na + 2 NO3
CaH2 + Ta2O5 = CaO + Ta + H2O =>
5 CaH2 + 2 Ta2O5 = 5 CaO + 4 Ta + 5 H2O
CuCl2 + HCl = CuHCl3 =>
CuCl2 + HCl = CuHCl3
Na + MgO = Mg + Na2O =>
2 Na + MgO = Mg + Na2O
Mg3(PO4)2 + HCl = MgCl2 + H3PO4 =>
Mg3(PO4)2 + 6 HCl = 3 MgCl2 + 2 H3PO4
CH3{-}CH2{-}CH = CH{-}CH3 + H2 =>
CH3{-}CH2{-}CH = CH{-}CH3 + H2
U3O8 + Ca = U + CaO =>
U3O8 + 8 Ca = 3 U + 8 CaO
AlPO4 + Na2S = Na2PO4 + AlS =>
AlPO4 + Na2S = Na2PO4 + AlS
Na2S2O3 + CuCO3 = Na2CO3 + CuS2O3 =>
Na2S2O3 + CuCO3 = Na2CO3 + CuS2O3
Cu(s) + Ag2CO3(s) = CuCO3(s) + Ag(s) =>
Cu(s) + Ag2CO3(s) = CuCO3(s) + 2 Ag(s)
RbOH + NaHCO3 = RbHCO3 + NaOH =>
RbOH + NaHCO3 = RbHCO3 + NaOH
CH3COOH + H2SO4 = CO2 + H2O + SO2 =>
CH3COOH + 4 H2SO4 = 2 CO2 + 6 H2O + 4 SO2
KOH + NaOH = KO + Na + H2O =>
KOH + NaOH = KO + Na + H2O
MgNO3 + NaI = MgI + NaNO3 =>
MgNO3 + NaI = MgI + NaNO3
NaI + Ca(SO4) = Na(SO4) + CaI =>
NaI + Ca(SO4) = Na(SO4) + CaI
Zn + HBr = ZnBr2 + H2 =>
Zn + 2 HBr = ZnBr2 + H2
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
H2O + Cr2O3 = Cr(OH)3 =>
3 H2O + Cr2O3 = 2 Cr(OH)3
Y + P4 = YP =>
4 Y + P4 = 4 YP
Nb + H2SO4 = NbSO4 + H2 =>
Nb + H2SO4 = NbSO4 + H2
AlCl3 + NaNO2 = Al(NO2)3 + NaCl =>
AlCl3 + 3 NaNO2 = Al(NO2)3 + 3 NaCl
CH3COOH + H2SO4 = SO2 + H2O + CO2 =>
CH3COOH + 4 H2SO4 = 4 SO2 + 6 H2O + 2 CO2
AlCl3 + H2O = Al(OH)3 + HCl =>
AlCl3 + 3 H2O = Al(OH)3 + 3 HCl
Al + H2O + SO2 = Al2(SO3)3 + H2 =>
2 Al + 3 H2O + 3 SO2 = Al2(SO3)3 + 3 H2
Ca(NO3)2 + NaBr = CaBr2 + NaNO3 =>
Ca(NO3)2 + 2 NaBr = CaBr2 + 2 NaNO3
Sr(NO3)2 + (NH4)3(PO4) = Sr3(PO4)2 + NH4(NO3) =>
3 Sr(NO3)2 + 2(NH4)3(PO4) = Sr3(PO4)2 + 6 NH4(NO3)
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
Au + HNO3 + HCl = HAuCl4 + NO2 + H2O =>
Au + 3 HNO3 + 4 HCl = HAuCl4 + 3 NO2 + 3 H2O
Mn(NO3)3(aq) + Na2S(aq) = Mn2S3(s) + NaNO3(aq) =>
2 Mn(NO3)3(aq) + 3 Na2S(aq) = Mn2S3(s) + 6 NaNO3(aq)
Mg(s) + Cu(CH3COO)2(aq) = Mg(CH3COO)2(s) + Cu2(aq) =>
2 Mg(s) + 2 Cu(CH3COO)2(aq) = 2 Mg(CH3COO)2(s) + Cu2(aq)
NaHCO3 + HCl = NaCl + H2CO3 =>
NaHCO3 + HCl = NaCl + H2CO3
H2O + Cr2O3 = Cr(OH)3 =>
3 H2O + Cr2O3 = 2 Cr(OH)3
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