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2 H2SO4 + K2CO3 = 2 KHSO4 + H2CO3
Fe(NO3)3H2CO3 + H2CO3 = Fe2(CO3)3 + HNO3 =>
2 Fe(NO3)3H2CO3 + H2CO3 = Fe2(CO3)3 + 6 HNO3
CdCl2 + NH2CSNH2 + H2O = CdS + NH4Cl + CO2 =>
CdCl2 + NH2CSNH2 + 2 H2O = CdS + 2 NH4Cl + CO2
Br2 + ZnCl2 = Br2Cl2 + Zn =>
Br2 + ZnCl2 = Br2Cl2 + Zn
NaOH + Zn + H2O + KNO3 = Na2Zn(OH)4 + NH3 + KOH =>
8 NaOH + 4 Zn + 6 H2O + KNO3 = 4 Na2Zn(OH)4 + NH3 + KOH
K3PO4 = K2O + P4O10 =>
4 K3PO4 = 6 K2O + P4O10
Cu(OH)2 + NH4OH = Cu(NH3)4 + H2O + OH =>
Cu(OH)2 + 4 NH4OH = Cu(NH3)4 + 4 H2O + 2 OH
Mn(NO3)2 + NaClO3 + NaOH = Na2MnO4 + NaCl + NaNO3 + H2O =>
3 Mn(NO3)2 + 2 NaClO3 + 12 NaOH = 3 Na2MnO4 + 2 NaCl + 6 NaNO3 + 6 H2O
AgNO2 + KI = AgI + KNO2 =>
AgNO2 + KI = AgI + KNO2
Al + Fe(OH)3 = Al2O3 + Fe + H2 =>
4 Al + 2 Fe(OH)3 = 2 Al2O3 + 2 Fe + 3 H2
HCl + Ca2CO3 = Ca2 + HClCO3 =>
HCl + Ca2CO3 = Ca2 + HClCO3
Na2MnO4 + HNO3 = NaMnO4 + NaNO3 + H2O + MnO2 =>
3 Na2MnO4 + 4 HNO3 = 2 NaMnO4 + 4 NaNO3 + 2 H2O + MnO2
CH2XCH2 + H2SO4 + K2Cr2O7 = XO4 + CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH2XCH2 + 40 H2SO4 + 10 K2Cr2O7 = 3 XO4 + 6 CO2 + 10 K2SO4 + 10 Cr2(SO4)3 + 46 H2O
Cr3O4 + Al = Al2O3 + Cr =>
3 Cr3O4 + 8 Al = 4 Al2O3 + 9 Cr
BCl3 + Na2S2O3 = NaOCl + O2 + B + S =>
4 BCl3 + 6 Na2S2O3 = 12 NaOCl + 3 O2 + 4 B + 12 S
AgClO4(aq) + SrBr2(aq) = Sr(ClO4)2(aq) + AgBr(s) =>
2 AgClO4(aq) + SrBr2(aq) = Sr(ClO4)2(aq) + 2 AgBr(s)
Br2O7 + H2O = Br2 + H2O8 =>
Br2O7 + H2O = Br2 + H2O8
K2SO4 + Ca(HCO3)2 = CaSO4 + KHCO3 =>
K2SO4 + Ca(HCO3)2 = CaSO4 + 2 KHCO3
FeSO4 + H2SO4 + KNO2 = H2O + K2SO4 + Fe(NO3)2 + N2O =>
FeSO4 + H2SO4 + 4 KNO2 = H2O + 2 K2SO4 + Fe(NO3)2 + N2O
K2S + PbCl2 = PbS + KCl =>
K2S + PbCl2 = PbS + 2 KCl
Cr(OH)3 + HCl = Cr(Cl)3 + H2O =>
Cr(OH)3 + 3 HCl = Cr(Cl)3 + 3 H2O
Cr2O3 + Cl2 = CrCl3 + O3 =>
Cr2O3 + 3 Cl2 = 2 CrCl3 + O3
H2S + CO2 = CS2 + H2O =>
2 H2S + CO2 = CS2 + 2 H2O
Pb3O4 + H2 = H2O + Pb =>
Pb3O4 + 4 H2 = 4 H2O + 3 Pb
H2O + Na(s) = NaOH(s) + H2(s) =>
2 H2O + 2 Na(s) = 2 NaOH(s) + H2(s)
CaCo3 + HCl = CaCl2 + Co2 + H2 =>
2 CaCo3 + 4 HCl = 2 CaCl2 + 3 Co2 + 2 H2
Na2SO3 + H2S + HCl = S + NaCl + H2O =>
Na2SO3 + 2 H2S + 2 HCl = 3 S + 2 NaCl + 3 H2O
NH4(OH) + FeSO4 = Fe(OH)2 + (NH4)2SO4 =>
2 NH4(OH) + FeSO4 = Fe(OH)2 + (NH4)2SO4
Hg{2+} + SC(NH2)2 + H2O = HgS + OC(NH2)2 + H{+} =>
Hg{2+} + SC(NH2)2 + H2O = HgS + OC(NH2)2 + 2 H{+}
H2SO4 + Al(OH)3 = H2 + AlSO4(OH)3 =>
H2SO4 + Al(OH)3 = H2 + AlSO4(OH)3
KClO3 + H2SO4 = O2 + KHSO4 + Cl2 + H2O =>
4 KClO3 + 4 H2SO4 = 5 O2 + 4 KHSO4 + 2 Cl2 + 2 H2O
CH3OOH + PHCH2OH = CH3COOCH2PH + H2O =>
2 CH3OOH + PHCH2OH = CH3COOCH2PH + 3 H2O
Na + F1 = NaF =>
Na + F1 = NaF
H2S + HNO3 = H2O + H2SO4 + NO2 =>
H2S + 8 HNO3 = 4 H2O + H2SO4 + 8 NO2
NaMnO4 + HCl = H2O + MnCl2 + NaCl + Cl2 =>
2 NaMnO4 + 16 HCl = 8 H2O + 2 MnCl2 + 2 NaCl + 5 Cl2
Cu + H2SO4 = Cu2SO4 + HOH + SO2 =>
2 Cu + 2 H2SO4 = Cu2SO4 + 2 HOH + SO2
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
C7H6O + NaBH4 = C7H8O + NaBH3 =>
C7H6O + 2 NaBH4 = C7H8O + 2 NaBH3
LiBr + Cu = Li + BrCu =>
LiBr + Cu = Li + BrCu
Pb + Fe2(CO3)2 = PbCO3 + Fe =>
2 Pb + Fe2(CO3)2 = 2 PbCO3 + 2 Fe
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
CaS + AlPO4 = Ca3(PO4)2 + Al2S3 =>
3 CaS + 2 AlPO4 = Ca3(PO4)2 + Al2S3
Al + FeBr3 = Fe + AlBr3 =>
Al + FeBr3 = Fe + AlBr3
FeCl3 + H2O = FeOCl + HCl =>
FeCl3 + H2O = FeOCl + 2 HCl
C2H5COOH + NaOH = C2H5COONa + H2O =>
C2H5COOH + NaOH = C2H5COONa + H2O
Na2(SO4) + MgBr2 = NaBr + Mg(SO4) =>
Na2(SO4) + MgBr2 = 2 NaBr + Mg(SO4)
Al + Zr4{+} = Al3{+} + Zr =>
3 Al + Zr4{+} = Al3{+} + 4 Zr
CH2ClCOOH + NH3 = NH2CH2COOH + HCl =>
CH2ClCOOH + NH3 = NH2CH2COOH + HCl
C5H10O2(l) + O2(g) = CO2(g) + H20(l) =>
2 C5H10O2(l) + 8 O2(g) = 10 CO2(g) + H20(l)
FeU3 + H2S = FeS + H2 + US2 =>
FeU3 + 7 H2S = FeS + 7 H2 + 3 US2
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