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Cr2(So4)3 + 3 Br2 + 16 NaOH = 2 Na2CrO4 + 6 NaBr + 3 Na2So4 + 8 H2O
Al + H2 = AlH3 =>
2 Al + 3 H2 = 2 AlH3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb + S = PbS =>
Pb + S = PbS
K2CrO7 + H2SO4 + C3H7OH = Cr2(SO4)3 + H2O + CH3COOH + K2SO4 =>
4 K2CrO7 + 10 H2SO4 + 6 C3H7OH = 2 Cr2(SO4)3 + 16 H2O + 9 CH3COOH + 4 K2SO4
KNO3 + CaCl2 = KCl2 + CaNO3 =>
KNO3 + CaCl2 = KCl2 + CaNO3
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
Pb + F = PbF =>
Pb + F = PbF
Pb + N = PbN =>
Pb + N = PbN
Na2SO3 + Br2 + H2O = Na2SO4 + HBr =>
Na2SO3 + Br2 + H2O = Na2SO4 + 2 HBr
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
CaCl2 + H2SO4 = CaSO4 + HCl =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
Pb + Br = PbBr =>
Pb + Br = PbBr
PbO2 + KCrO2 + KOH = PbO + K2CrO4 + H2O =>
3 PbO2 + 2 KCrO2 + 2 KOH = 3 PbO + 2 K2CrO4 + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
Br2 + KOH = KBr + KBrO3 + H2O =>
3 Br2 + 6 KOH = 5 KBr + KBrO3 + 3 H2O
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MnCl2 + HNO3 + HCl = NO + MnCl4 + H2O =>
3 MnCl2 + 2 HNO3 + 6 HCl = 2 NO + 3 MnCl4 + 4 H2O
Cu2Se + K2MnO4 + H2SO4 = CuSO4 + K2SeO4 + MnSO4 + K2SO4 + H2O =>
2 Cu2Se + 5 K2MnO4 + 12 H2SO4 = 4 CuSO4 + 2 K2SeO4 + 5 MnSO4 + 3 K2SO4 + 12 H2O
H + Cl = HCl =>
H + Cl = HCl
C4H6O6 + NaOH = C4NaHO4 + H2O =>
C4H6O6 + NaOH = C4NaHO4 + 3 H2O
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
Ca + P = CaP =>
Ca + P = CaP
Cd + Sn(SO3)2 = Sn + Cd2SO3 =>
4 Cd + Sn(SO3)2 = Sn + 2 Cd2SO3
Fe + CuCl2 = Cu + FeCl2 =>
Fe + CuCl2 = Cu + FeCl2
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
Zn + CH3COOH = Zn(CH3COO) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(CH3COO) + H2
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
Fe + CuCl2 = Cu + FeCl2 =>
Fe + CuCl2 = Cu + FeCl2
H + Cl = HCl =>
H + Cl = HCl
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Fe2O3 + H2 = H2O + Fe =>
Fe2O3 + 3 H2 = 3 H2O + 2 Fe
K + Cl = KCl =>
K + Cl = KCl
MgBr2 + H2SO4 + NaClO3 = NaCl + MgSO4 + H2O + Br2 =>
3 MgBr2 + 3 H2SO4 + NaClO3 = NaCl + 3 MgSO4 + 3 H2O + 3 Br2
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
KNO3 + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 KNO3 + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
MgO + HBr = MgBr2 + H2O =>
MgO + 2 HBr = MgBr2 + H2O
K + HCl = KCl + H2 =>
2 K + 2 HCl = 2 KCl + H2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
NaNO3 + ZN + NaOH = NH3 + Na2ZNO2 + H2O =>
NaNO3 + 4 ZN + 7 NaOH = NH3 + 4 Na2ZNO2 + 2 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
Fe + CuCl2 = Cu + FeCl2 =>
Fe + CuCl2 = Cu + FeCl2
ClO3{-} + Cl{-] = ClO{-} =>
ClO3{-} + 2 Cl{-] = 3 ClO{-}
ClO3{-} + Cl{-} = ClO{-} =>
ClO3{-} + 2 Cl{-} = 3 ClO{-}
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
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