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Fe2(SO4)3 + 3 K2S = 3 K2SO4 + Fe2S3
Cu(OH){2} = H{2}O + CuO =>
Cu(OH){2} = H{2}O + CuO
CH2CH2 + K2Cr2O7 + HCl = CO2 + CrCl3 + KCl + H2O =>
CH2CH2 + 2 K2Cr2O7 + 16 HCl = 2 CO2 + 4 CrCl3 + 4 KCl + 10 H2O
AlBr3 + KOH = Al(OH)3 + KBr =>
AlBr3 + 3 KOH = Al(OH)3 + 3 KBr
X6H12Y6 = X2H5YH + XY2 =>
X6H12Y6 = 2 X2H5YH + 2 XY2
Mg + Na3PO4 = Mg3(PO4)2(s) + Na =>
3 Mg + 2 Na3PO4 = Mg3(PO4)2(s) + 6 Na
FeO + Al(OH)2 = FeAlO2 + H2O =>
FeO + Al(OH)2 = FeAlO2 + H2O
H2S + Cu = CuS + H2 =>
H2S + Cu = CuS + H2
C6H5COOK = C6H5COO + K =>
C6H5COOK = C6H5COO + K
KOH + KHCO3 = K2CO3 + H2O =>
KOH + KHCO3 = K2CO3 + H2O
HI + NaBrO = HNa + IBrO =>
HI + NaBrO = HNa + IBrO
Cu(AgNO3)2 = Cu + AgNO3 =>
Cu(AgNO3)2 = Cu + 2 AgNO3
C3H3O3(s) + O2(g) = CO2(g) + H2O =>
4 C3H3O3(s) + 9 O2(g) = 12 CO2(g) + 6 H2O
MgSO4 + K3Po4 = Mg3(Po4)2 + K2SO4 =>
3 MgSO4 + 2 K3Po4 = Mg3(Po4)2 + 3 K2SO4
Pt + S8 = PtS2 =>
4 Pt + S8 = 4 PtS2
K[Al(OH)4] + AlBr3 = Al(OH)3 + KBr =>
3 K[Al(OH)4] + AlBr3 = 4 Al(OH)3 + 3 KBr
MnO2 + HNO2 = Mn + NO3 + H =>
MnO2 + 2 HNO2 = Mn + 2 NO3 + 2 H
CaCl2 + NaHCO3 = CaCl2NaHCO3 =>
CaCl2 + NaHCO3 = CaCl2NaHCO3
Al(HCO3)3 + ZnO = Al2O3 + Zn(HCO3)2 =>
2 Al(HCO3)3 + 3 ZnO = Al2O3 + 3 Zn(HCO3)2
Ti + H2SO4 + H2O = TiO2 + H3SO4 =>
Ti + 4 H2SO4 + 2 H2O = TiO2 + 4 H3SO4
I2 + CaF2 = F + CaI2 =>
I2 + CaF2 = 2 F + CaI2
CH3COOH + K = CH3COOK + H2 =>
2 CH3COOH + 2 K = 2 CH3COOK + H2
HNO3 + LiOH = H2O + LiNO3 =>
HNO3 + LiOH = H2O + LiNO3
NH4Cl + Gd2O3 = (NH4)2GdCl5 + NH3 + H2O =>
10 NH4Cl + Gd2O3 = 2(NH4)2GdCl5 + 6 NH3 + 3 H2O
K2(CO3) + Ca(NO3)2 = K(NO3) + Ca(CO3) =>
K2(CO3) + Ca(NO3)2 = 2 K(NO3) + Ca(CO3)
C8H9O2N + Zn + HCl = C8H11N + ZnCl2 + H2O =>
C8H9O2N + 3 Zn + 6 HCl = C8H11N + 3 ZnCl2 + 2 H2O
Hg2(NO3)2 + HNO3 + K2Cr2O7 = Cr(NO3)3 + Hg(NO3)2 + KNO3 + H2O =>
3 Hg2(NO3)2 + 14 HNO3 + K2Cr2O7 = 2 Cr(NO3)3 + 6 Hg(NO3)2 + 2 KNO3 + 7 H2O
Ag + Cu(No3)2 = Ag(No3)2 + Cu =>
Ag + Cu(No3)2 = Ag(No3)2 + Cu
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
HNO3 + LiOH* = H2O + LiNO3 =>
HNO3 + LiOH* = H2O + LiNO3
C8H9O2N + Zn + HCl = C8H11N + ZnCl2 + H2O =>
C8H9O2N + 3 Zn + 6 HCl = C8H11N + 3 ZnCl2 + 2 H2O
H3PO2 + PH3 = P4 + H2O =>
3 H3PO2 + PH3 = P4 + 6 H2O
MnO4{-} + NO2{-} + H{+} = MnO2 + NO3{-} + H2O =>
2 MnO4{-} + 3 NO2{-} + 2 H{+} = 2 MnO2 + 3 NO3{-} + H2O
Hg2 + Ca(NO3)2 = Hg(NO3)2 + Ca2 =>
Hg2 + 2 Ca(NO3)2 = 2 Hg(NO3)2 + Ca2
HNO3 = O2 + H2O + N2 =>
4 HNO3 = 5 O2 + 2 H2O + 2 N2
CH3COOH + Na2CO3 = Na2COO + CO2 + H2O =>
CH3COOH + 4 Na2CO3 = 4 Na2COO + 2 CO2 + 2 H2O
Cu(NO3) + KCl = CuCl + KNO3 =>
Cu(NO3) + KCl = CuCl + KNO3
K2SiO3 + Ca(NO3)2 = CaSiO3 + K(NO3) =>
K2SiO3 + Ca(NO3)2 = CaSiO3 + 2 K(NO3)
Al + KOH + H2O = H2 + K[Al(OH)3] =>
Al + KOH + 2 H2O = H2 + K[Al(OH)3]
(COOH)2 + CH3OH = COOCH + H2O =>
7(COOH)2 + 6 CH3OH = 10 COOCH + 14 H2O
Fe3O4 + KI + H2SO4 = FeSO4 + I2 + K2SO4 + H2O =>
Fe3O4 + 2 KI + 4 H2SO4 = 3 FeSO4 + I2 + K2SO4 + 4 H2O
AlN + NH4Cl = AlCl3 + N2 + H =>
AlN + 3 NH4Cl = AlCl3 + 2 N2 + 12 H
(e)CaCO3 = CaO + CO2 =>
(e)CaCO3 = CaO + CO2
F + H2O = OF2 + HF =>
4 F + H2O = OF2 + 2 HF
NaOH + KBr = KOH + NaBr =>
NaOH + KBr = KOH + NaBr
AgBr + HNO3 = AgNO3 + BrH =>
AgBr + HNO3 = AgNO3 + BrH
Mg + KOH = MgKO + H =>
Mg + KOH = MgKO + H
CH3COOH + Ca(OH)2 = (CH3COO)2Ca + H2O =>
2 CH3COOH + Ca(OH)2 = (CH3COO)2Ca + 2 H2O
MgO + H2SO4 = MgSO4 + H2 + O =>
MgO + H2SO4 = MgSO4 + H2 + O
NaHCO3 + FeNO3 = NaNO3 + FeHCO3 =>
NaHCO3 + FeNO3 = NaNO3 + FeHCO3
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