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2 CaSO3 + 2 H2O = Ca(OH)2 + Ca(HSO3)2
Fe + Na2S = FeS + Na =>
Fe + Na2S = FeS + 2 Na
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4 + NH4OH =>
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4 + 2 NH4OH
C(s) + H2(g) + O2(g) = CH3OH(g) =>
2 C(s) + 4 H2(g) + O2(g) = 2 CH3OH(g)
NaOH + HClO4 = Na(ClO4) + H2O =>
NaOH + HClO4 = Na(ClO4) + H2O
N2H2 + O2 = N2 + H2O =>
2 N2H2 + O2 = 2 N2 + 2 H2O
C2H5SO3H + O2 = CO2 + H2O + SO3 =>
2 C2H5SO3H + 7 O2 = 4 CO2 + 6 H2O + 2 SO3
SnS + HCl = HSnCl3 + H2S =>
SnS + 3 HCl = HSnCl3 + H2S
NH4HCO3 + HNO3 = NH4NO3 + H2O + CO2 =>
NH4HCO3 + HNO3 = NH4NO3 + H2O + CO2
Fr + O2 = Fr2O =>
4 Fr + O2 = 2 Fr2O
COF2 + F2 = COF3 =>
2 COF2 + F2 = 2 COF3
KBr(aq) + Na2CO3(aq) = K2CO3(aq) + NaBr =>
2 KBr(aq) + Na2CO3(aq) = K2CO3(aq) + 2 NaBr
Fe + I = FeI2 =>
Fe + 2 I = FeI2
H2O2 + SnCl2 + NaOH = Na2[Sn(OH)6] + NaCl =>
H2O2 + SnCl2 + 4 NaOH = Na2[Sn(OH)6] + 2 NaCl
CH2O2 + NaHCO3 = HCO2Na + H2O + CO2 =>
CH2O2 + NaHCO3 = HCO2Na + H2O + CO2
Sn(OH)2 + FeBr3 = SnBr3 + Fe(OH)2 =>
Sn(OH)2 + FeBr3 = SnBr3 + Fe(OH)2
Fe(OH)3 + CH2O + H{+} = Fe{2+} + CO2 + H2O =>
4 Fe(OH)3 + CH2O + 8 H{+} = 4 Fe{2+} + CO2 + 11 H2O
Si + NaOH = Si(OH)4 + Na =>
Si + 4 NaOH = Si(OH)4 + 4 Na
Fe2(SO4)3 + KCl = K2SO4 + FeCl3 =>
Fe2(SO4)3 + 6 KCl = 3 K2SO4 + 2 FeCl3
F + O2 = F2O3 =>
4 F + 3 O2 = 2 F2O3
AgBr + NH3 = Ag(NH3)2 + Br2 =>
2 AgBr + 4 NH3 = 2 Ag(NH3)2 + Br2
KI + Mg3(PO4)2 = Mg3I + K(PO4)2 =>
KI + Mg3(PO4)2 = Mg3I + K(PO4)2
(NH4)2S + Ba(OH)2 = Ba(NH4)2 + S(OH)2 =>
(NH4)2S + Ba(OH)2 = Ba(NH4)2 + S(OH)2
Pb(NO3)2(aq) + KCl(aq) = PbCl2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KCl(aq) = PbCl2(s) + 2 KNO3(aq)
Mn(NO3)2 + H2O2 = MnO2 + HNO3 =>
Mn(NO3)2 + H2O2 = MnO2 + 2 HNO3
CrO2 + ClO = CrO4 + Cl2 =>
CrO2 + 2 ClO = CrO4 + Cl2
CH3COCl + H2O = CH3CO2H + HCl =>
CH3COCl + H2O = CH3CO2H + HCl
Na2Co3(s) + HCl(aq) = NaCl(aq) + H2Co3(s) =>
Na2Co3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2Co3(s)
KMnO4 + H2C2O4 + HCl = MnCl2 + CO2 + KCl + H2O =>
2 KMnO4 + 5 H2C2O4 + 6 HCl = 2 MnCl2 + 10 CO2 + 2 KCl + 8 H2O
S2O3{2-} + Cl2 + H2O = SO4{2-} + Cl{-} + H{+} =>
S2O3{2-} + 4 Cl2 + 5 H2O = 2 SO4{2-} + 8 Cl{-} + 10 H{+}
N2 + O2 + CH4 = NH2CH2COOH + H2O =>
2 N2 + 7 O2 + 8 CH4 = 4 NH2CH2COOH + 6 H2O
CuCl2 + NH3 + H2O = [Cu(NH3)4(H2O)2]{2} + NH4Cl + OH{-} =>
CuCl2 + 6 NH3 + 4 H2O = [Cu(NH3)4(H2O)2]{2} + 2 NH4Cl + 2 OH{-}
CaMg(CO3)2 + CH3COOH = Ca(CH2COOH)2 + Mg(CH2COOH)2 + H2O + CO2 =>
CaMg(CO3)2 + 4 CH3COOH = Ca(CH2COOH)2 + Mg(CH2COOH)2 + 2 H2O + 2 CO2
Al2(SO4)3*16H2O + NaOH = Al(OH)3 + Na2SO4 + H2O =>
Al2(SO4)3*16H2O + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4 + 16 H2O
C17H35COOH + O2 = CO2 + H2O =>
C17H35COOH + 26 O2 = 18 CO2 + 18 H2O
C4H10N2 + O2 = CO2 + H2O + NH3 =>
C4H10N2 + 5 O2 = 4 CO2 + 2 H2O + 2 NH3
C + CaCl2 = CCl4 + CaC2 =>
5 C + 2 CaCl2 = CCl4 + 2 CaC2
H2(g) + Cl2(g) = HCl(g) =>
H2(g) + Cl2(g) = 2 HCl(g)
IO + H2O = H2IO2 =>
IO + H2O = H2IO2
CO(g) + H2(g) = H2O(g) + CH4(g) =>
CO(g) + 3 H2(g) = H2O(g) + CH4(g)
FeCl3 + Na2CrO4 = Fe2(CrO4)3 + NaCl =>
2 FeCl3 + 3 Na2CrO4 = Fe2(CrO4)3 + 6 NaCl
Br2 + KL = KBr + L2 =>
Br2 + 2 KL = 2 KBr + L2
Mg + NHO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 NHO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
U + Cl2 = UCl =>
2 U + Cl2 = 2 UCl
P2O5 + H2O = HPO3 =>
P2O5 + H2O = 2 HPO3
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Mg(s) + SnCl4(aq) = Sn(s) + MgCl2 =>
2 Mg(s) + SnCl4(aq) = Sn(s) + 2 MgCl2
Ag2CrO4 + HNO3 = Ag2Cr2O7 + AgNO3 + H2O =>
2 Ag2CrO4 + 2 HNO3 = Ag2Cr2O7 + 2 AgNO3 + H2O
Cr(NO3)3 + Na3PO4 = CrPO4 + NaNO3 =>
Cr(NO3)3 + Na3PO4 = CrPO4 + 3 NaNO3
Na2CO3 + CH3COOH = CH3COOHNa + CO2 + H2O =>
4 Na2CO3 + 9 CH3COOH = 8 CH3COOHNa + 6 CO2 + 2 H2O
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