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Cu2O + C = 2 Cu + CO
NaNO2 + NaI + H2SO4 = I2 + NaHSO4 + H2O + NO =>
2 NaNO2 + 2 NaI + 4 H2SO4 = I2 + 4 NaHSO4 + 2 H2O + 2 NO
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
BaSO3 + HNO3 = SO2 + H2O + Ba(NO3)2 =>
BaSO3 + 2 HNO3 = SO2 + H2O + Ba(NO3)2
K + H2 = KH =>
2 K + H2 = 2 KH
La(NO3)3 + Sr(NO3)3 + Mn(NO3)2 + C2H5NO2 = La7Sr3Mn10O30 + CO2 + N2 + H2O =>
21 La(NO3)3 + 9 Sr(NO3)3 + 30 Mn(NO3)2 + 80 C2H5NO2 = 3 La7Sr3Mn10O30 + 160 CO2 + 115 N2 + 200 H2O
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NACl + H2O = NAOH + Cl2 + H2 =>
2 NACl + 2 H2O = 2 NAOH + Cl2 + H2
Fe + H2SO4 = FeSO4 + H =>
Fe + H2SO4 = FeSO4 + 2 H
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
H2O + Sb2S3 + NO3{-} = Sb2O5 + SO4{2-} + NO2 + OH{-} =>
11 H2O + Sb2S3 + 28 NO3{-} = Sb2O5 + 3 SO4{2-} + 28 NO2 + 22 OH{-}
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
FeBr3 + Cl = FeCl3 + Br2 =>
2 FeBr3 + 6 Cl = 2 FeCl3 + 3 Br2
NiCl2*6H2O + NH3 = Ni(NH3)6Cl2 + H2O =>
NiCl2*6H2O + 6 NH3 = Ni(NH3)6Cl2 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
KMnO4 + H2SO4 + KNO2 = K2SO4 + MnSO4 + KNO3 + H20 =>
20 KMnO4 + 30 H2SO4 + 80 KNO2 = 10 K2SO4 + 20 MnSO4 + 80 KNO3 + 3 H20
KIO3 + KI + H2SO4 = K2SO4 + I2 + H2O =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 I2 + 3 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Al + KMnO4 + H2SO4 = Al2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 Al + 6 KMnO4 + 24 H2SO4 = 5 Al2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 24 H2O
C6H5CHO + CHCl3 = C6H5CHOHCCl3 =>
C6H5CHO + CHCl3 = C6H5CHOHCCl3
K + HOH = KOH + H2 =>
2 K + 2 HOH = 2 KOH + H2
Mg + Au(NO3)3 = Au + Mg(NO3) =>
3 Mg + Au(NO3)3 = Au + 3 Mg(NO3)
H2SO4 + HI = H2O + SO2 + I2 =>
H2SO4 + 2 HI = 2 H2O + SO2 + I2
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Si(s) + HF(aq) = SiF4(g) + H2(g) =>
Si(s) + 4 HF(aq) = SiF4(g) + 2 H2(g)
Mg + Au(NO3)3 = Au + Mg(NO3)2 =>
3 Mg + 2 Au(NO3)3 = 2 Au + 3 Mg(NO3)2
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
H2SO4 + HCl = Cl2 + H2O + SO2 =>
H2SO4 + 2 HCl = Cl2 + 2 H2O + SO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2O2 = H2 + O =>
H2O2 = H2 + 2 O
H2SO4 + HI = H2O + H2S + I2 =>
H2SO4 + 8 HI = 4 H2O + H2S + 4 I2
K3PO4(aq) + NiCl2(aq) = Ni3(PO4)2(s) + KCl(aq) =>
2 K3PO4(aq) + 3 NiCl2(aq) = Ni3(PO4)2(s) + 6 KCl(aq)
H2SO4 + HCl = Cl2 + H2O + SO2 =>
H2SO4 + 2 HCl = Cl2 + 2 H2O + SO2
BaCO3 + MoO3 + HF = BaMoO3F2 + H2O + CO2 =>
BaCO3 + MoO3 + 2 HF = BaMoO3F2 + H2O + CO2
H2SO4 + HI = H2O + S + I2 =>
H2SO4 + 6 HI = 4 H2O + S + 3 I2
NiO(OH) + H2O + Cd = Ni(OH)2 + Cd(OH)2 =>
2 NiO(OH) + 2 H2O + Cd = 2 Ni(OH)2 + Cd(OH)2
HCl(aq) + Sr(OH)2(aq) = H2O(l) + SrCl2(aq) =>
2 HCl(aq) + Sr(OH)2(aq) = 2 H2O(l) + SrCl2(aq)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C3H8O(propanal) + O2 = CO2 + H2O =>
2 C3H8O(propanal) + 9 O2 = 6 CO2 + 8 H2O
Ca2 + O2 = Ca2O2 =>
Ca2 + O2 = Ca2O2
NiCl2*6H2O + NH3 = Ni(NH3)6Cl2 + H2O =>
NiCl2*6H2O + 6 NH3 = Ni(NH3)6Cl2 + 6 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
H2SO4 + HI = H2O + S + I2 =>
H2SO4 + 6 HI = 4 H2O + S + 3 I2
RbOH + H3PO4 = Rb3PO4 + H2O =>
3 RbOH + H3PO4 = Rb3PO4 + 3 H2O
NiCl2*6H2O + NH3 = Ni(NH3)6Cl2 + H2O =>
NiCl2*6H2O + 6 NH3 = Ni(NH3)6Cl2 + 6 H2O
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