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K + S = KS
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
K + N2 = KN =>
2 K + N2 = 2 KN
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Na2S2O3 + I2 = NaI + Na2S4O6 =>
2 Na2S2O3 + I2 = 2 NaI + Na2S4O6
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HCl + Fe = HClFe =>
HCl + Fe = HClFe
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Fe(CN)6{4-} + Mn{4+} + OH{-} = Mn(OH)2 + Fe(OH)3 + CO3{2-} + NO3{-} + H2O =>
2 Fe(CN)6{4-} + 61 Mn{4+} + 272 OH{-} = 61 Mn(OH)2 + 2 Fe(OH)3 + 12 CO3{2-} + 12 NO3{-} + 72 H2O
Cr + HCl = CrCl2 + H2 =>
Cr + 2 HCl = CrCl2 + H2
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
Pb(C2H3O2) + K2CrO4 = PbCrO4 + K2C2H3O2 =>
Pb(C2H3O2) + K2CrO4 = PbCrO4 + K2C2H3O2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Sn + KOH = K2SnO2 + H2 =>
Sn + 2 KOH = K2SnO2 + H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH4 + O2 = H2O + CO2 =>
CH4 + 2 O2 = 2 H2O + CO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NH4) + H + SO4 = (NH4)HSO4 =>
(NH4) + H + SO4 = (NH4)HSO4
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
(NH4) + H2 + SO4 = (NH4)HSO4 =>
2(NH4) + H2 + 2 SO4 = 2(NH4)HSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al(NO3)3 + NaOH = NaNO3 + Al(OH)3 =>
Al(NO3)3 + 3 NaOH = 3 NaNO3 + Al(OH)3
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2O =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + 2 H2O
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
N2H4 + O2 = N2 + H2O =>
N2H4 + O2 = N2 + 2 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
Ca + H3PO4 = Ca(PO4)2 + H2 =>
Ca + 2 H3PO4 = Ca(PO4)2 + 3 H2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
H2SO4 + Na2O = Na2SO4 + H2O =>
H2SO4 + Na2O = Na2SO4 + H2O
H2SO4 + NaHCO3 = Na2SO4 + H2O + CO2 =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 H2O + 2 CO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HCl + NaOH = HOH + NaCl =>
HCl + NaOH = HOH + NaCl
MnO + HNO3 = MnNO3 + HO =>
MnO + HNO3 = MnNO3 + HO
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