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2 I = I2
KF + Ba = BaF2 + K =>
2 KF + Ba = BaF2 + 2 K
O2 + CuFeS2 = Cu2SO + FeO2 + SO4 =>
17 O2 + 4 CuFeS2 = 2 Cu2SO + 4 FeO2 + 6 SO4
(NH4)2CO3 + KOH = NH3 + H2O + K2CO3 =>
(NH4)2CO3 + 2 KOH = 2 NH3 + 2 H2O + K2CO3
NO{2} + H{2}O + HNO = HNO{3} = NO =>
3 NO{2} + 3 H{2}O + HNO = 4 HNO{3}
K + CuI2 = Cu + KI =>
2 K + CuI2 = Cu + 2 KI
C3H6 + N2O = H2O + N2 + C3H4O =>
C3H6 + 2 N2O = H2O + 2 N2 + C3H4O
Ca + C = Ca2C =>
2 Ca + C = Ca2C
Cu2S2 + O2 = CuO2 + SO2 =>
Cu2S2 + 4 O2 = 2 CuO2 + 2 SO2
Zn + NHO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 NHO3 = 4 Zn(NO3)2 + N2O + 5 H2O
NiCl2 + K2S = KCl + NiS =>
NiCl2 + K2S = 2 KCl + NiS
HNO3(aq) + CaCO3(aq) = H2O(l) + Ca(NO3)2 + CO2(g) =>
2 HNO3(aq) + CaCO3(aq) = H2O(l) + Ca(NO3)2 + CO2(g)
HCl(g) + NH3(g) = NH4Cl(s) =>
HCl(g) + NH3(g) = NH4Cl(s)
Mn(H2O)6{3+} = Mn(H2O)6{2+} + MnO2 + H{+} + H2O =>
2 Mn(H2O)6{3+} = Mn(H2O)6{2+} + MnO2 + 4 H{+} + 4 H2O
FeCl3 + PO4{-3} = FePO4 + Cl{-} =>
FeCl3 + PO4{-3} = FePO4 + 3 Cl{-}
Al(NO3)3 + (NH4)3PO4 = AlPO4 + NH4NO3 =>
Al(NO3)3 + (NH4)3PO4 = AlPO4 + 3 NH4NO3
Mg + PbCl2 = MgCl2 + Pb =>
Mg + PbCl2 = MgCl2 + Pb
Li2SO4 + Ag = Ag2SO4 + Li =>
Li2SO4 + 2 Ag = Ag2SO4 + 2 Li
CH3COOH + Mg2 = CH3COOMg + H2 =>
2 CH3COOH + Mg2 = 2 CH3COOMg + H2
hydrogen + sulfur = H2S =>
H2 + S = H2S
HI + Ag = HIAg =>
HI + Ag = HIAg
SO2 + K3Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
5 SO2 + 2 K3Cr2O7 + 4 H2SO4 = 3 K2SO4 + 2 Cr2(SO4)3 + 4 H2O
Ni(OH)2 + OH{-} = Ni2O3 + H2O + e =>
2 Ni(OH)2 + 2 OH{-} = Ni2O3 + 3 H2O + 2e
Fe + O + H2O = Fe(OH)3 =>
2 Fe + 3 O + 3 H2O = 2 Fe(OH)3
C3O3H8 = C3H6O + H2O + O2 =>
2 C3O3H8 = 2 C3H6O + 2 H2O + O2
Ca(OH)2 + Cd(NO3)2 = Ca(NO3)2 + (OH)2Cd =>
Ca(OH)2 + Cd(NO3)2 = Ca(NO3)2 + (OH)2Cd
NH3 + CoCl2 = HCl + Co3N2 =>
2 NH3 + 3 CoCl2 = 6 HCl + Co3N2
CH2OCO + NaOH = CH2OH + COONa =>
CH2OCO + NaOH = CH2OH + COONa
HNO3 + SnCl2 + HCl = SnCl4 + N2O + H2O =>
2 HNO3 + 4 SnCl2 + 8 HCl = 4 SnCl4 + N2O + 5 H2O
IO4{-} + As2O3 + OH{-} = IO3{-} + AsO4{3-} + H2O =>
2 IO4{-} + As2O3 + 6 OH{-} = 2 IO3{-} + 2 AsO4{3-} + 3 H2O
H3PO4 + NH4MoO4 + HNO3 = (NH4)3PO4*12MoO3 + NH4NO3 + H2O =>
2 H3PO4 + 24 NH4MoO4 + 12 HNO3 = 2(NH4)3PO4*12MoO3 + 15 NH4NO3 + 15 H2O
FeH + S = FeHS =>
FeH + S = FeHS
KOH + H2C2O4 = K2C2O4 + HOH =>
2 KOH + H2C2O4 = K2C2O4 + 2 HOH
KF + Br2 = KBr + F =>
2 KF + Br2 = 2 KBr + 2 F
W2Nb2C3 = WC + Nb6C5 + Nb =>
5 W2Nb2C3 = 10 WC + Nb6C5 + 4 Nb
AsCl2 + H2S = As2S2 + HCl =>
2 AsCl2 + 2 H2S = As2S2 + 4 HCl
TiO2 + Ti = Ti2O3 =>
3 TiO2 + Ti = 2 Ti2O3
Co(NO3)2 + NH3 + (NH4)2CO3 + H2O2 = [Co(NH3)4CO3]NO3 + NH4NO3OH =>
10 Co(NO3)2 + 26 NH3 + 10(NH4)2CO3 + H2O2 = 10[Co(NH3)4CO3]NO3 + 8 NH4NO3OH
BaCl2 + CaCO3 = CaCl2 + BaCO3 =>
BaCl2 + CaCO3 = CaCl2 + BaCO3
CH4 + HCl = CCl4 + H2 =>
CH4 + 4 HCl = CCl4 + 4 H2
Hg(CO3) = HgO + CO2 =>
Hg(CO3) = HgO + CO2
Cl + KBr = KCl + Br2 =>
2 Cl + 2 KBr = 2 KCl + Br2
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
HCO3 + H = H2O + CO2 =>
HCO3 + H = H2O + CO2
Fe + KI = FeI2 + K =>
Fe + 2 KI = FeI2 + 2 K
HOCl = OH + Cl =>
HOCl = OH + Cl
C6H4Cl2 + NaOH = C6H5OCl + NaCl =>
C6H4Cl2 + NaOH = C6H5OCl + NaCl
NaO3 + HCl + Au = AuCl3 + Na + OH =>
NaO3 + 3 HCl + Au = AuCl3 + Na + 3 OH
Zn + AsO3{3-} + H{+} = Zn{2+} + AsH3 + H2O =>
3 Zn + AsO3{3-} + 9 H{+} = 3 Zn{2+} + AsH3 + 3 H2O
HNO3 + Sr(OH)2 = H2O + Sr(NO3)2 =>
2 HNO3 + Sr(OH)2 = 2 H2O + Sr(NO3)2
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