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2 NaHSO3 = Na2SO3H2SO3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Na + H2SO4 = H2 + Na2SO4 =>
2 Na + H2SO4 = H2 + Na2SO4
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CH2Cl2 + CaO2 + H2O = CaOH + CH2Cl2O =>
3 CH2Cl2 + 2 CaO2 + H2O = 2 CaOH + 3 CH2Cl2O
NH3(aq) + Cu(NO3)2(aq) = [Cu(NH3)4]{2+}(aq) + NO3{-}(aq) =>
4 NH3(aq) + Cu(NO3)2(aq) = [Cu(NH3)4]{2+}(aq) + 2 NO3{-}(aq)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
FeS + CuSO4(aq) = FeSO4(aq) + CuS =>
FeS + CuSO4(aq) = FeSO4(aq) + CuS
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
Zn(OH)4{-2} + Cu = ZnCu + Cu{2+} + OH{-} =>
Zn(OH)4{-2} + 2 Cu = ZnCu + Cu{2+} + 4 OH{-}
Cu + SO4 = CuSO4 =>
Cu + SO4 = CuSO4
K2Cr2O7 + K2Se + H2SO4 = Se + Cr2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 3 K2Se + 7 H2SO4 = 3 Se + Cr2(SO4)3 + 7 H2O + 4 K2SO4
Mg(SO4) + (NH4)(OH) = Mg(OH)2 + (NH4)2(SO4) =>
Mg(SO4) + 2(NH4)(OH) = Mg(OH)2 + (NH4)2(SO4)
K3PO4Cu(NO3)2 = CuPO4K3(NO3)2 =>
K3PO4Cu(NO3)2 = CuPO4K3(NO3)2
Cl + NaF = NaClF =>
Cl + NaF = NaClF
Cl2 + O2 + H2O = HClO3 =>
2 Cl2 + 5 O2 + 2 H2O = 4 HClO3
Al + CH3COOH = Al(CH3COOH)2 =>
Al + 2 CH3COOH = Al(CH3COOH)2
KMnO4 + CuS + HCl = S + CuCl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 5 CuS + 16 HCl = 5 S + 5 CuCl2 + 2 MnCl2 + 2 KCl + 8 H2O
Si + CI2 = SiCI2 =>
Si + CI2 = SiCI2
NaOH + K2SO4 = Na2SO4 + K2(OH)2 =>
2 NaOH + K2SO4 = Na2SO4 + K2(OH)2
NH4NO3 + HNO3 = HNH4 + NO3 =>
NH4NO3 + HNO3 = HNH4 + 2 NO3
Si + H = SiH4 =>
Si + 4 H = SiH4
Ne + Mg + O = NeMgO =>
Ne + Mg + O = NeMgO
Mg + HC1 = MgC1 + H1 =>
Mg + HC1 = MgC1 + H1
SiN = Si + N2 =>
2 SiN = 2 Si + N2
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
KHC8H4O4 + Ca(OH)2 = K + C8H4O4 + H2O + Ca =>
2 KHC8H4O4 + Ca(OH)2 = 2 K + 2 C8H4O4 + 2 H2O + Ca
Fe2 + Br6 = FeBr =>
3 Fe2 + Br6 = 6 FeBr
H2MnO4 + Ca(OH)2 = Ca(MnO4) + H2O =>
H2MnO4 + Ca(OH)2 = Ca(MnO4) + 2 H2O
Mg3(PO4)2 + H2 = Mg + H3(PO4) =>
Mg3(PO4)2 + 3 H2 = 3 Mg + 2 H3(PO4)
BF3 + NH3 = H3NBF3 =>
BF3 + NH3 = H3NBF3
FeO(s) + H2O(l) = FeO2(s) + H2(g) =>
FeO(s) + H2O(l) = FeO2(s) + H2(g)
NH3 + HCOOH = NH4COOH =>
NH3 + HCOOH = NH4COOH
CN(aq) + MnO4(aq) = CNO(aq) + MnO2(s) =>
2 CN(aq) + MnO4(aq) = 2 CNO(aq) + MnO2(s)
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
FeCl3 + NH3 = Cl2 + Fe(NH3)3 =>
2 FeCl3 + 6 NH3 = 3 Cl2 + 2 Fe(NH3)3
Pb(NO3)2 + H2SO4 = PbSO4 + H(NO3) =>
Pb(NO3)2 + H2SO4 = PbSO4 + 2 H(NO3)
C16H31COOH + O2 = CO2 + H2O =>
C16H31COOH + 24 O2 = 17 CO2 + 16 H2O
C7H7N + O2 = CO2 + H2O + N2 =>
4 C7H7N + 35 O2 = 28 CO2 + 14 H2O + 2 N2
Ca(OH)2 + H3PO4 = Ca3P2 + H2O + CaO2 =>
11 Ca(OH)2 + 2 H3PO4 = Ca3P2 + 14 H2O + 8 CaO2
CuO(s) + CO(g) = Cu(s) + CO2(g) =>
CuO(s) + CO(g) = Cu(s) + CO2(g)
Ba(OH)2 + Zn(NO3)2 = Ba(NO3)2 + Zn(OH)2 =>
Ba(OH)2 + Zn(NO3)2 = Ba(NO3)2 + Zn(OH)2
H2N(CH2)6NH2 + ClOC(CH2)4COCl = HN(CH2)6NHCO(CH2)4CO + HCl =>
H2N(CH2)6NH2 + ClOC(CH2)4COCl = HN(CH2)6NHCO(CH2)4CO + 2 HCl
Cr2O7{2-} + I{-} + H{+} = Cr{3+} + I2 + H2O =>
Cr2O7{2-} + 6 I{-} + 14 H{+} = 2 Cr{3+} + 3 I2 + 7 H2O
RbMnO4 + HCl = MnCl2 + RbCl + Cl2 + H2O =>
2 RbMnO4 + 16 HCl = 2 MnCl2 + 2 RbCl + 5 Cl2 + 8 H2O
H2CrO4 + Co2O3 = Co2(CrO4)3 + H2O =>
3 H2CrO4 + Co2O3 = Co2(CrO4)3 + 3 H2O
KC2H3O2(aq) + HCl(aq) = KCl + C2H4O2 =>
KC2H3O2(aq) + HCl(aq) = KCl + C2H4O2
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