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ZrO2 + 2 H2 = Zr + 2 H2O
N2H4 + OH{-} = N2 + H2O + e =>
N2H4 + 4 OH{-} = N2 + 4 H2O + 4e
Cu(s) + HNO3(ac) = Cu(NO3)2 + NO2(g) + H2O =>
Cu(s) + 4 HNO3(ac) = Cu(NO3)2 + 2 NO2(g) + 2 H2O
Mg2O2 = MgO =>
Mg2O2 = 2 MgO
C2F4 = C50F100 =>
25 C2F4 = C50F100
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
C5H11NO2 + O2 = CH4N2O + H2O + CO2 =>
2 C5H11NO2 + 12 O2 = CH4N2O + 9 H2O + 9 CO2
AlI + O2 = Al2O3 + I2 =>
4 AlI + 3 O2 = 2 Al2O3 + 2 I2
Ca(HCO3)2 + HNO3 = H2O + CO2 + Ca(NO3)2 =>
Ca(HCO3)2 + 2 HNO3 = 2 H2O + 2 CO2 + Ca(NO3)2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
Cu(s) + Mg(NO3)2(ac) = Mg(s) + Cu(NO3)2(ac) =>
Cu(s) + Mg(NO3)2(ac) = Mg(s) + Cu(NO3)2(ac)
P2 + O2 + H2O = HPO3 =>
2 P2 + 5 O2 + 2 H2O = 4 HPO3
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Ca + AlBr3 = CaBr2 + Al =>
3 Ca + 2 AlBr3 = 3 CaBr2 + 2 Al
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2(aq) + Ni(aq) =>
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2(aq) + Ni(aq)
CaCl2 + NaOH + HCl = NaCl2 + CaCl + H2O =>
CaCl2 + NaOH + HCl = NaCl2 + CaCl + H2O
Na3(PO4) + HNO3 = NaNO3 + H3PO4 =>
Na3(PO4) + 3 HNO3 = 3 NaNO3 + H3PO4
HCl + CaCO3 = CaCl2 + H2CO3 = CO2 =>
2 HCl + CaCO3 = CaCl2 + H2CO3
KJ + Br2 = KBr + J2 =>
2 KJ + Br2 = 2 KBr + J2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
MnO2 + KI + HCl = KCl + MnCl2 + H2O + I2 =>
MnO2 + 2 KI + 4 HCl = 2 KCl + MnCl2 + 2 H2O + I2
Al3 + Br6 = AlBr3 =>
2 Al3 + 3 Br6 = 6 AlBr3
Pb + CsBr = PbBr2 + Cs =>
Pb + 2 CsBr = PbBr2 + 2 Cs
MnO2 + KOH + H2O = K4Mn(OH)8 =>
MnO2 + 4 KOH + 2 H2O = K4Mn(OH)8
NiO(s) + S2(g) = NiS(s) + O2(g) =>
2 NiO(s) + S2(g) = 2 NiS(s) + O2(g)
Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O
ArNO3 + FeCl = ArCl + FeNO3 =>
ArNO3 + FeCl = ArCl + FeNO3
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Ag{+} + Cl{-} = AgCl =>
Ag{+} + Cl{-} = AgCl
Ga2O3 + H3PO4 = GaPO4 + H2O =>
Ga2O3 + 2 H3PO4 = 2 GaPO4 + 3 H2O
Na2O + FeO = Na2Fe + O2 =>
Na2O + FeO = Na2Fe + O2
Ca + Ag2SO4 = SO4 + Ag2Ca =>
Ca + Ag2SO4 = SO4 + Ag2Ca
C2H5OH = CH3CH2CH2OH + H2O =>
3 C2H5OH = 2 CH3CH2CH2OH + H2O
Ca(ClO3)2 = Ca + ClO3 =>
Ca(ClO3)2 = Ca + 2 ClO3
Ba(NO3)2 + K2CrO4 = BaCrO4 + K2(NO3)2 =>
Ba(NO3)2 + K2CrO4 = BaCrO4 + K2(NO3)2
Na2[Cu(OH)4] = Cu(OH)2 + NaOH =>
Na2[Cu(OH)4] = Cu(OH)2 + 2 NaOH
NaOCl + KBr = NaOBr + KCl =>
NaOCl + KBr = NaOBr + KCl
HgCl2 + Na2HPO4 = NaCl + HgHPO4 =>
HgCl2 + Na2HPO4 = 2 NaCl + HgHPO4
CH3COOH + CH3OH = C3H6O2 + H2O =>
CH3COOH + CH3OH = C3H6O2 + H2O
Cd + PbC2O4 = Pb + CdC2O4 =>
Cd + PbC2O4 = Pb + CdC2O4
ZnO + Ca = Zn + CaO =>
ZnO + Ca = Zn + CaO
CH3COOH(aq) + NaOH(aq) = CH3COONa(s) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(s) + H2O(l)
C7H7NO2 + NaI + NaOCl = C7H7NO2I + NaCl + NaO =>
C7H7NO2 + NaI + NaOCl = C7H7NO2I + NaCl + NaO
C6H14S3O2 + H2O2 = C6H14S3O4 + H2O =>
C6H14S3O2 + 2 H2O2 = C6H14S3O4 + 2 H2O
CaCl2 + AgNO3 = CaCl2AgNO3 =>
CaCl2 + AgNO3 = CaCl2AgNO3
Na + C + O2 = Na2CO3 =>
4 Na + 2 C + 3 O2 = 2 Na2CO3
CO + H2 = H2O + CH4 =>
CO + 3 H2 = H2O + CH4
(AuO)3 = AuO =>
(AuO)3 = 3 AuO
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