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Na2CO3 + 2 HF = 2 NaF + H2CO3
HNO2 + KMnO4 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
5 HNO2 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 HNO3 + K2SO4 + 3 H2O
Mn + N2 = Mn3N7 =>
6 Mn + 7 N2 = 2 Mn3N7
CH3OH + K2Cr2O7 + H2SO4 = CH2O + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3OH + K2Cr2O7 + 4 H2SO4 = 3 CH2O + Cr2(SO4)3 + K2SO4 + 7 H2O
Fe(s) + Cu(NO3)2(aq) = Fe(NO3)3(aq) + Cu(s) =>
2 Fe(s) + 3 Cu(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Cu(s)
HgCl2 + H2O = HgO + HCl =>
HgCl2 + H2O = HgO + 2 HCl
Ba3(PO4)2 + H2SO4 = BaSO4 + H3PO4 =>
Ba3(PO4)2 + 3 H2SO4 = 3 BaSO4 + 2 H3PO4
Zn(NH2)2 + NaNH2 = Na2Zn(NH2)4 =>
Zn(NH2)2 + 2 NaNH2 = Na2Zn(NH2)4
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
AgBr(s) = Ag(s) + Br2 =>
2 AgBr(s) = 2 Ag(s) + Br2
C18H33O2Na + HCl = NaCl + C18H34O2 =>
C18H33O2Na + HCl = NaCl + C18H34O2
Co + Ba = CoBa =>
Co + Ba = CoBa
KClO3 + H2C2O4 + H2SO4 = K2SO4 + CO2 + ClO2 + H2O =>
2 KClO3 + H2C2O4 + H2SO4 = K2SO4 + 2 CO2 + 2 ClO2 + 2 H2O
HF + SbF5 = SbHF6 =>
HF + SbF5 = SbHF6
Pb + HCl = PbCl2 + H2 =>
Pb + 2 HCl = PbCl2 + H2
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
C5H10O5 = CH4 + CO2 =>
2 C5H10O5 = 5 CH4 + 5 CO2
HBr(aq) + Ca(s) = CaBr2(aq) + H2(g) =>
2 HBr(aq) + Ca(s) = CaBr2(aq) + H2(g)
Ni + NH4OH = Ni(OH)2 + NH4 =>
Ni + 2 NH4OH = Ni(OH)2 + 2 NH4
Fe2(SO4)3 + CoCl2 = FeCl3 + Co(SO4) =>
Fe2(SO4)3 + 3 CoCl2 = 2 FeCl3 + 3 Co(SO4)
KNO3 + KI = K + INO3 =>
KNO3 + KI = 2 K + INO3
Ca + Zn(No3)2 = Ca(No3)2 + Zn =>
Ca + Zn(No3)2 = Ca(No3)2 + Zn
Cu(s) + MgSO4(aq) = CuSO4(s) + Mg(s) =>
Cu(s) + MgSO4(aq) = CuSO4(s) + Mg(s)
HCHO2 + NaOH = NaCHO2 + H2O =>
HCHO2 + NaOH = NaCHO2 + H2O
Ba(OH)2 + K2SiO3 = Ba(SiO3) + KOH =>
Ba(OH)2 + K2SiO3 = Ba(SiO3) + 2 KOH
P4(s) + O2(g) = P4O10(s) =>
P4(s) + 5 O2(g) = P4O10(s)
F + H2O = HF + O2 =>
4 F + 2 H2O = 4 HF + O2
MgBr2(aq) + Cl(g) = MgCl2(aq) + Br(g) =>
MgBr2(aq) + 2 Cl(g) = MgCl2(aq) + 2 Br(g)
MnO4{-} + OH{-} = MnO4{3-} + O2 + H2O =>
2 MnO4{-} + 4 OH{-} = 2 MnO4{3-} + O2 + 2 H2O
C6H5NO2 + HCl = C6H5NH2 + Cl2 + H2O =>
C6H5NO2 + 6 HCl = C6H5NH2 + 3 Cl2 + 2 H2O
As2S3 + NO3{-} + H2O = AsO4{3-} + SO4{2-} + NO + H{+} =>
3 As2S3 + 28 NO3{-} + 4 H2O = 6 AsO4{3-} + 9 SO4{2-} + 28 NO + 8 H{+}
S2O3{2-} = S4O6{2-} + {-} =>
2 S2O3{2-} = S4O6{2-} + 2e
LiOH + BeS = Li2S + Be(OH)2 =>
2 LiOH + BeS = Li2S + Be(OH)2
Na2SO4 + CH3COOH = H2SO4 + C2H3NaO2 =>
Na2SO4 + 2 CH3COOH = H2SO4 + 2 C2H3NaO2
FeSO4*7H2O + H2C2O4*2H2O = FeC2O4*2H2O + H2SO4 + H2O =>
FeSO4*7H2O + H2C2O4*2H2O = FeC2O4*2H2O + H2SO4 + 7 H2O
K2Cr2O7 + KCl + H2O = KClO4 + CrCl3 + KOH =>
4 K2Cr2O7 + 27 KCl + 16 H2O = 3 KClO4 + 8 CrCl3 + 32 KOH
Pb + O = PbO =>
Pb + O = PbO
Na + Pb = NaPb =>
Na + Pb = NaPb
C12H22O11(s) = H2O(g) + C(s) =>
C12H22O11(s) = 11 H2O(g) + 12 C(s)
KNO3 + H2O2 = K2O + NO3 + H2O =>
2 KNO3 + H2O2 = K2O + 2 NO3 + H2O
Mg(HCo3)2 + Ca(OH)2 = Mg(OH)2 + CaCo3 + H2O =>
Mg(HCo3)2 + 2 Ca(OH)2 = Mg(OH)2 + 2 CaCo3 + 2 H2O
KNO3 + H = HNO3 + K =>
KNO3 + H = HNO3 + K
Ba(NO3)2 + S = BaO + SO2 + N2 =>
2 Ba(NO3)2 + 5 S = 2 BaO + 5 SO2 + 2 N2
CuCl2 + NH3 = CuH2 + NCl3 =>
3 CuCl2 + 2 NH3 = 3 CuH2 + 2 NCl3
Cr + NaOH = Cr(OH)4 + Na =>
Cr + 4 NaOH = Cr(OH)4 + 4 Na
K2CO3 + HNO2 = KNO2 + H2O + CO2 =>
K2CO3 + 2 HNO2 = 2 KNO2 + H2O + CO2
HCl(aq) + Zn(OH)2 = ZnCl2 + H2O =>
2 HCl(aq) + Zn(OH)2 = ZnCl2 + 2 H2O
Mg{2+} + H2O = Mg(OH)2 + H3O{+} =>
Mg{2+} + 4 H2O = Mg(OH)2 + 2 H3O{+}
Al(OH)3 + NaHCO3 = NaAlO2 + H2O + CO2 =>
Al(OH)3 + NaHCO3 = NaAlO2 + 2 H2O + CO2
C6H5OH + Na = C6H5ONa + H2 =>
2 C6H5OH + 2 Na = 2 C6H5ONa + H2
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