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Pb3O4 + 4 HNO3 = 2 PbN2O6 + PbO2 + 2 H2O
CO2 + B = BO + C =>
CO2 + 2 B = 2 BO + C
FeCl + NaCrO4 = FeCrO4 + NaCl =>
FeCl + NaCrO4 = FeCrO4 + NaCl
AuS + O2 = AuO + SO2 =>
2 AuS + 3 O2 = 2 AuO + 2 SO2
Ag + HSO4 = Ag2SO4 + H2O + SO2 =>
6 Ag + 4 HSO4 = 3 Ag2SO4 + 2 H2O + SO2
C2H4 + KMnO4 + H2O = CH2OHCH2OH + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 CH2OHCH2OH + 2 MnO2 + 2 KOH
I{-} + MnO4{-} + H{+} = I2 + MnO2 + H2O =>
6 I{-} + 2 MnO4{-} + 8 H{+} = 3 I2 + 2 MnO2 + 4 H2O
Ca(s) + H2O = H2 + Ca(OH) =>
2 Ca(s) + 2 H2O = H2 + 2 Ca(OH)
SO2* = SO2 =>
SO2* = SO2
Ca + PO4 = Ca9(PO4)6 =>
9 Ca + 6 PO4 = Ca9(PO4)6
KCl + Cr2(SO4)3 + H2O = K2SO4 + S + K2Cr2O7 + HCl =>
6 KCl + Cr2(SO4)3 + 3 H2O = 2 K2SO4 + S + K2Cr2O7 + 6 HCl
CuS + KOH = K2S + Cu(OH)2 =>
CuS + 2 KOH = K2S + Cu(OH)2
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
K2MnO4 + H2O = KMnO4 + KOH + MnO2 =>
3 K2MnO4 + 2 H2O = 2 KMnO4 + 4 KOH + MnO2
Mn3P2(s) = Mn(s) + P(s) =>
Mn3P2(s) = 3 Mn(s) + 2 P(s)
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
(COOH)2 + KOH = KCOO + H2O =>
(COOH)2 + 2 KOH = 2 KCOO + 2 H2O
Kl + Cl2 = KlCl2 =>
Kl + Cl2 = KlCl2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
ZnSO4*7H2O + CaCO3 = CaSO4 + H2O + ZnCO3 =>
ZnSO4*7H2O + CaCO3 = CaSO4 + 7 H2O + ZnCO3
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
H = (H3)2 =>
6 H = (H3)2
CuBr + Cl2 = CuCl + Br2 =>
2 CuBr + Cl2 = 2 CuCl + Br2
Cu(NO3)2 + Pb(NO3)2 = PbCu + NO3 =>
Cu(NO3)2 + Pb(NO3)2 = PbCu + 4 NO3
C2H6 + O2 = *CO2 + H2O =>
2 C2H6 + 7 O2 = 4*CO2 + 6 H2O
CO2(g) + H2O = H2CO3 =>
CO2(g) + H2O = H2CO3
COCl + NaOH = COOH + NaCl =>
COCl + NaOH = COOH + NaCl
CH3C3H3O2N2 + H2O = H2NCH(CH3)COOH + CO2 + NH3 =>
CH3C3H3O2N2 + 2 H2O = H2NCH(CH3)COOH + CO2 + NH3
[NO2] + [MnO4] = [NO3] + MnO2 =>
2[NO2] + [MnO4] = 2[NO3] + MnO2
NaHCO3 + AlCl3 = CO2 + Al(OH)3 + NaCl =>
3 NaHCO3 + AlCl3 = 3 CO2 + Al(OH)3 + 3 NaCl
Gc33 + M32 + H41 = Gc33MH35 =>
1312 Gc33 + 41 M32 + 1120 H41 = 1312 Gc33MH35
Cr2O7{-2} + S{-2} + H{+} = Cr2O3 + S + H2O =>
Cr2O7{-2} + 3 S{-2} + 8 H{+} = Cr2O3 + 3 S + 4 H2O
Al2O3 = AlO + AlO2 =>
Al2O3 = AlO + AlO2
CH3CH2OH + HBr = CH3CH2Br + H2O =>
CH3CH2OH + HBr = CH3CH2Br + H2O
AgF + Fe2(Co3)3 = FeF3 + Ag2Co3 =>
6 AgF + Fe2(Co3)3 = 2 FeF3 + 3 Ag2Co3
K3PO4 + MgCl2 = KCl(s) + Mg3(PO4)2(s) =>
2 K3PO4 + 3 MgCl2 = 6 KCl(s) + Mg3(PO4)2(s)
MnO2 + SnCl2 + HCl = MnCl2 + SnCl4 + H2O =>
MnO2 + SnCl2 + 4 HCl = MnCl2 + SnCl4 + 2 H2O
Ag2CrO4(s) = Ag2(aq) + CrO4(aq) =>
Ag2CrO4(s) = Ag2(aq) + CrO4(aq)
Na + H2 = Na3H =>
6 Na + H2 = 2 Na3H
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
CuH2O = CuOH2 =>
CuH2O = CuOH2
Cu + MgCl2 = CuCl + Mg =>
2 Cu + MgCl2 = 2 CuCl + Mg
NaCl(s) + Br2(l) = Cl2(g) + NaBr(s) =>
2 NaCl(s) + Br2(l) = Cl2(g) + 2 NaBr(s)
C5H12 + O2 = CO2 + H2 =>
C5H12 + 5 O2 = 5 CO2 + 6 H2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
C4H8O2 + O2 = CO2 + H2O =>
C4H8O2 + 5 O2 = 4 CO2 + 4 H2O
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
MnO4{2-} + H{+} + CH3CH2OH = MnO2 + CH3COOH + H2O =>
2 MnO4{2-} + 4 H{+} + CH3CH2OH = 2 MnO2 + CH3COOH + 3 H2O
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