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K2Cr2O7 + H2SO4 + 4 H2O2 = 2 H2CrO6 + K2SO4 + 3 H2O
H + O = H2O =>
2 H + O = H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H3PO4(aq) + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 H2O(l)
C2H4O4 + O2 = CO2 + H2O =>
C2H4O4 + O2 = 2 CO2 + 2 H2O
Mg + HNO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NH4OH + H2SO4 = (NH4)2SO4 + HOH =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 HOH
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H + S = H2S =>
2 H + S = H2S
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + HNO3(aq) =>
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + 2 HNO3(aq)
KCl + CuCl + F2 = K3[CuF6] + Cl2 =>
3 KCl + CuCl + 3 F2 = K3[CuF6] + 2 Cl2
C2H4O + O2 = CH3COOH =>
2 C2H4O + O2 = 2 CH3COOH
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cu + Cl2 = CuCl2 =>
Cu + Cl2 = CuCl2
MnO4{-} + H2S + H{+} = Mn{2+} + S + H2O =>
2 MnO4{-} + 5 H2S + 6 H{+} = 2 Mn{2+} + 5 S + 8 H2O
Mg + N2 = MgN =>
2 Mg + N2 = 2 MgN
HCl + CaCO3 = CaCl2 + CO2 + H2O =>
2 HCl + CaCO3 = CaCl2 + CO2 + H2O
Ag + Mo + S8 = Ag2MoS4 =>
4 Ag + 2 Mo + S8 = 2 Ag2MoS4
NH3 + Cl2 = NH4Cl + NCl3 =>
4 NH3 + 3 Cl2 = 3 NH4Cl + NCl3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2O2 = H2 + O2 =>
H2O2 = H2 + O2
HNO3 + NaHCO3 = NaNO3 + H2CO3 =>
HNO3 + NaHCO3 = NaNO3 + H2CO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Li2S + AgNO3 = LiNO3 + Ag2S =>
Li2S + 2 AgNO3 = 2 LiNO3 + Ag2S
H2SO4 + NaOH = NaHSO4 + H2O =>
H2SO4 + NaOH = NaHSO4 + H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Bi2(CrO4)3 + K3PO4 = K2CrO4 + BiPO4 =>
Bi2(CrO4)3 + 2 K3PO4 = 3 K2CrO4 + 2 BiPO4
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
NaOH + H2SO4 = NaHSO4 + H2O =>
NaOH + H2SO4 = NaHSO4 + H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
H2O = O2 + H2 =>
2 H2O = O2 + 2 H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaF + CaBr2 = NaBr + CaF2 =>
2 NaF + CaBr2 = 2 NaBr + CaF2
K2 + MgCO3 = MgKCO3 =>
K2 + 2 MgCO3 = 2 MgKCO3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Ag + HNO3 = AgNO3 + NH4NO3 + H2O =>
8 Ag + 10 HNO3 = 8 AgNO3 + NH4NO3 + 3 H2O
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