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4 Bi2S3 + 24 NaOH = 8 Bi + 9 Na2S + 3 Na2SO4 + 12 H2O
C2H4O2 + CaCO3 = CO2 + C2H3O{2-} + Ca{3+} + H2O =>
31 C2H4O2 + 16 CaCO3 = 30 CO2 + 24 C2H3O{2-} + 16 Ca{3+} + 26 H2O
H{+} + Cr2O7{2-} + C2H5OH = Cr + CO2 + H2O =>
2 H{+} + Cr2O7{2-} + C2H5OH = 2 Cr + 2 CO2 + 4 H2O
NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO32 =>
62 NaHCO3 + 33 HC2H3O2 = 62 NaC2H3O2 + 4 H2CO32
Mg(NO3)2 + Ag = Mg2 + Ag(NO3) =>
2 Mg(NO3)2 + 4 Ag = Mg2 + 4 Ag(NO3)
K + SO4 = K2SO3 + O2 =>
4 K + 2 SO4 = 2 K2SO3 + O2
H2S + CaOH = H2O + Ca2S =>
H2S + 2 CaOH = 2 H2O + Ca2S
Ca(OH)2 + NaHSO4 = CaSO4 + NaOH + H2O =>
Ca(OH)2 + NaHSO4 = CaSO4 + NaOH + H2O
NaCrO2 + NaClO + H2O = NaCrO4 + Cl2 + NaOH =>
NaCrO2 + 4 NaClO + 2 H2O = NaCrO4 + 2 Cl2 + 4 NaOH
Al(s) + MnO4{-}(aq) + H2O = MnO2 + Al(OH)4{-}(aq) =>
Al(s) + MnO4{-}(aq) + 2 H2O = MnO2 + Al(OH)4{-}(aq)
FeO(OH) + HNO3 = FeOH(NO3)2 + H2O =>
FeO(OH) + 2 HNO3 = FeOH(NO3)2 + H2O
CH3CHOHCH2CH3 + NaOH = CH3CHONaCH2CH3 + H2O =>
CH3CHOHCH2CH3 + NaOH = CH3CHONaCH2CH3 + H2O
P + HNO3 = H3PO4 + NO2 + N2O =>
3 P + 9 HNO3 = 3 H3PO4 + 7 NO2 + N2O
KMnO4 + CH3(CH2)3OH = CH3COOH + H2O + K + MnO2 =>
2 KMnO4 + CH3(CH2)3OH = 2 CH3COOH + H2O + 2 K + 2 MnO2
Na2S2O3 + KOH = Na2SO4 + K2S + H2O =>
Na2S2O3 + 2 KOH = Na2SO4 + K2S + H2O
HCl + NaOH(aq) = NaCl(aq) + H2O =>
HCl + NaOH(aq) = NaCl(aq) + H2O
Zn(C2H3O2)2 + KNO3 = Zn(NO3)2 + KC2H3O2 =>
Zn(C2H3O2)2 + 2 KNO3 = Zn(NO3)2 + 2 KC2H3O2
CaO + Co2 = CaCo3 + O2 =>
2 CaO + 3 Co2 = 2 CaCo3 + O2
HgCl2 + Br2 = HgBr2 + Cl2 =>
HgCl2 + Br2 = HgBr2 + Cl2
HCN(g) + CuSO4(aq) = H2SO4(aq) + Cu(CN)2(aq) =>
2 HCN(g) + CuSO4(aq) = H2SO4(aq) + Cu(CN)2(aq)
H2SO4 + FeS = FeSO4 + H2S =>
H2SO4 + FeS = FeSO4 + H2S
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
C3H8O2 + HNO3 = C3H6O6N2 + H2O =>
C3H8O2 + 2 HNO3 = C3H6O6N2 + 2 H2O
Na2S2O3 + I = NaS4O6 + NaI =>
2 Na2S2O3 + 3 I = NaS4O6 + 3 NaI
C8H10O4 + O2 = CO2 + H2O =>
2 C8H10O4 + 17 O2 = 16 CO2 + 10 H2O
I2H2 = I + H2 =>
I2H2 = 2 I + H2
Na3PO4 + CuNO3 = Na3NO3 + CuPO4 =>
Na3PO4 + CuNO3 = Na3NO3 + CuPO4
FeS + CO2 + H2O = CH4 + FeSO4 =>
FeS + CO2 + 2 H2O = CH4 + FeSO4
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
P + S = P3S3 =>
3 P + 3 S = P3S3
H + CO + O2 = H2CO3 =>
2 H + CO + O2 = H2CO3
Br2 + Ca(OH)2 = Br(OH)2 + Ca =>
Br2 + 2 Ca(OH)2 = 2 Br(OH)2 + 2 Ca
KClO3 + H2SO4 = K2SO4 + H2O + HClO4 + ClO2 =>
6 KClO3 + 3 H2SO4 = 3 K2SO4 + 2 H2O + 2 HClO4 + 4 ClO2
H2O + CO2 = CO3 + H3O =>
3 H2O + CO2 = CO3 + 2 H3O
K2Cr2O7 + C2H5OH + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3COH + H2O =>
K2Cr2O7 + 3 C2H5OH + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CH3COH + 7 H2O
H2O + Cu{2+} = O2 + H{+} + Cu{+} =>
2 H2O + 4 Cu{2+} = O2 + 4 H{+} + 4 Cu{+}
Hg + S = Hg2S =>
2 Hg + S = Hg2S
HNO3 + CaCO3 = CO2 + H2O + Ca(NO3)2 =>
2 HNO3 + CaCO3 = CO2 + H2O + Ca(NO3)2
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
Fe + N2O = Fe2O3 + N2 =>
2 Fe + 3 N2O = Fe2O3 + 3 N2
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
Fe + MgF2 = Mg + FeF3 =>
2 Fe + 3 MgF2 = 3 Mg + 2 FeF3
H2SO4(aq) + CH2O(aq) = H2S(aq) + CO2(g) + H2O(l) =>
H2SO4(aq) + 2 CH2O(aq) = H2S(aq) + 2 CO2(g) + 2 H2O(l)
CaCl2 + K2HPO4 = CaHPO4 + K2Cl2 =>
CaCl2 + K2HPO4 = CaHPO4 + K2Cl2
BBr3 + PBr3 + H2 = BP + HBr =>
BBr3 + PBr3 + 3 H2 = BP + 6 HBr
KI(l) + NaCl(l) = KCl(aq) + NaI(aq) =>
KI(l) + NaCl(l) = KCl(aq) + NaI(aq)
NO3 + H3O = N2O + H2O =>
2 NO3 + 10 H3O = N2O + 15 H2O
Cl2 + O2 = Cl2O3 =>
2 Cl2 + 3 O2 = 2 Cl2O3
FeS2 + Na2CO3 + KClO2 = Fe2O3 + Na2SO4 + KCl + CO2 =>
4 FeS2 + 8 Na2CO3 + 15 KClO2 = 2 Fe2O3 + 8 Na2SO4 + 15 KCl + 8 CO2
Ca + Sn{+4}Cl4 = Ca{2+}Cl4 + Sn =>
2 Ca + Sn{+4}Cl4 = 2 Ca{2+}Cl4 + Sn
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