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2 Zn + 2 KOH + 2 H2O = K2(ZnO2)2 + 3 H2
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
Fe2SiO4 + SiO2 = FeSiO3 =>
Fe2SiO4 + SiO2 = 2 FeSiO3
H2 + Br2 = HBr2 =>
H2 + 2 Br2 = 2 HBr2
Ni(OH)2 + NH3 = NiNH3 + H2O2 =>
Ni(OH)2 + NH3 = NiNH3 + H2O2
NaHCO3 + ClCH2COOH = CH3COOH + CO2 + NaCl + H2O =>
4 NaHCO3 + 4 ClCH2COOH = 3 CH3COOH + 6 CO2 + 4 NaCl + 2 H2O
MnO2 + SO3 + H2O = MnSO4 + OH =>
MnO2 + SO3 + H2O = MnSO4 + 2 OH
Al + NaOH = NaAl + OH =>
Al + NaOH = NaAl + OH
ZnO + P2O5 = Zn3(PO4)2 =>
3 ZnO + P2O5 = Zn3(PO4)2
Fe3(PO4)2(s) = Fe3 + PO4 =>
Fe3(PO4)2(s) = Fe3 + 2 PO4
K2Cr2O7(aq) + KI(aq) + H2SO4(aq) = I2(g) + K2SO4(aq) + Cr2(SO4)3(aq) + H2O(l) =>
K2Cr2O7(aq) + 6 KI(aq) + 7 H2SO4(aq) = 3 I2(g) + 4 K2SO4(aq) + Cr2(SO4)3(aq) + 7 H2O(l)
H2 + HCl + KMnO4 = KCl + MnCl2 + H2O =>
5 H2 + 6 HCl + 2 KMnO4 = 2 KCl + 2 MnCl2 + 8 H2O
Cl2(aq) + Br{-}(aq) = Cl{-}(aq) + Br2(l) =>
Cl2(aq) + 2 Br{-}(aq) = 2 Cl{-}(aq) + Br2(l)
CuOH = Cu2O + H2O =>
2 CuOH = Cu2O + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
BCl3 + P4 + H2 = BP + HCl =>
4 BCl3 + P4 + 6 H2 = 4 BP + 12 HCl
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
HOCH2CH2NH2 + HCl = HOCH2CH2NH3 + HOCH2CH2NHCl =>
3 HOCH2CH2NH2 + HCl = 2 HOCH2CH2NH3 + HOCH2CH2NHCl
H3B2O2 + H2O = HBO2 + H2 =>
2 H3B2O2 + 4 H2O = 4 HBO2 + 5 H2
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
C6H10O5 + H2SO4 = C3H2SO4 + CH4 + H6O6 =>
12 C6H10O5 + 19 H2SO4 = 19 C3H2SO4 + 15 CH4 + 10 H6O6
Cd(OH)2 + KCN = K2[Cd(CN)4] + KOH =>
Cd(OH)2 + 4 KCN = K2[Cd(CN)4] + 2 KOH
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
FeF3 + H2SO4 = Fe2(SO4)3 + HF =>
2 FeF3 + 3 H2SO4 = Fe2(SO4)3 + 6 HF
N4O10 + H2O = HNO3 =>
N4O10 + 2 H2O = 4 HNO3
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
MnO4{-} + H2O + {-} = MnO2 + OH{-} =>
MnO4{-} + 2 H2O + 3e = MnO2 + 4 OH{-}
NH4NO2 + HCl = NH4Cl + HNO2 =>
NH4NO2 + HCl = NH4Cl + HNO2
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Cr(OH)3 + HCl = CrCl3 + H2O =>
Cr(OH)3 + 3 HCl = CrCl3 + 3 H2O
P4 + S2 = P4S10 =>
P4 + 5 S2 = P4S10
MgF2 + Na2SO4 = MgSO4 + NaF =>
MgF2 + Na2SO4 = MgSO4 + 2 NaF
B + H = B5H9 =>
5 B + 9 H = B5H9
AlBr3(aq) + NaOH(aq) = Al(OH)3(s) + NaBr(aq) =>
AlBr3(aq) + 3 NaOH(aq) = Al(OH)3(s) + 3 NaBr(aq)
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
Si3H8 + Cl2 = SiCl2 + H2 =>
Si3H8 + 3 Cl2 = 3 SiCl2 + 4 H2
Na2SO4(aq) + CH3COOH(aq) = CH3COONa(aq) + H2SO4(aq) =>
Na2SO4(aq) + 2 CH3COOH(aq) = 2 CH3COONa(aq) + H2SO4(aq)
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg3N2 + H2O = Mg(OH)2 + ammonia =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2OH2O2 = Na2O =>
4 H2 + 3 O2 = 2 H2OH2O2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
SO3 + Cu(OH)2 = CuSO4 + H2O =>
SO3 + Cu(OH)2 = CuSO4 + H2O
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