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H2S + 2 CaO = 2 CaH + SO2
KOCN + CH3CO2H = HNCO + CH3CO2K =>
KOCN + CH3CO2H = HNCO + CH3CO2K
KMnO4 + NaI + H2SO4 = I2 + MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 10 NaI + 8 H2SO4 = 5 I2 + 2 MnSO4 + 5 Na2SO4 + K2SO4 + 8 H2O
CH3COOH + C2H5OH + CH4N2O + HCl = C12H14Cl2N2 + H2O =>
6 CH3COOH + 5 C2H5OH + 2 CH4N2O + 4 HCl = 2 C12H14Cl2N2 + 19 H2O
HNO2 = H2O + NO2 + NO =>
2 HNO2 = H2O + NO2 + NO
Na2SO4 + OH = NaOH + SO4 =>
Na2SO4 + 2 OH = 2 NaOH + SO4
Al2CO3 + H2SO4 = Al2SO4 + H2O + CO2 =>
Al2CO3 + H2SO4 = Al2SO4 + H2O + CO2
(SnOH)2SO4 + H2(SO4) = Sn(SO4) + H2O =>
(SnOH)2SO4 + H2(SO4) = 2 Sn(SO4) + 2 H2O
KI + AgNO3 = KNO3 + AgI =>
KI + AgNO3 = KNO3 + AgI
NaHCo3 + HC2H3O3 = NaC2H3O2 + H2O + Co2 =>
2 NaHCo3 + 2 HC2H3O3 = 2 NaC2H3O2 + 2 H2O + 3 Co2
C3H6(g) + O2(g) = CO2(g) + H2O(l) =>
2 C3H6(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
CuOHCl + NaOH = Cu(OH)2 + NaCl =>
CuOHCl + NaOH = Cu(OH)2 + NaCl
NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(aq) + NaNO3(aq) =>
3 NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(aq) + 3 NaNO3(aq)
Fe{+3} + S{-3} = FeS(s) =>
Fe{+3} + S{-3} = FeS(s)
FeS + Cl2 = FeCl3 + SCl4 =>
2 FeS + 7 Cl2 = 2 FeCl3 + 2 SCl4
Pb + HCl = PbCl2 + H2 =>
Pb + 2 HCl = PbCl2 + H2
F + W + S + P = FW3SP2 =>
F + 3 W + S + 2 P = FW3SP2
FeSO4 + Al = Al(SO4) + Fe =>
FeSO4 + Al = Al(SO4) + Fe
(NH4)HCO3 + NaOH = H2O + NH3 + Na2CO3 =>
(NH4)HCO3 + 2 NaOH = 2 H2O + NH3 + Na2CO3
KMnO4 + KNO2 + H2SO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4
TiCl2 + Al = TiAl3 + AlCl3 =>
3 TiCl2 + 11 Al = 3 TiAl3 + 2 AlCl3
NaCN + HF = NaF + HCN =>
NaCN + HF = NaF + HCN
Al(s) + CuCl2(aq) = AlCl3(l) + Cu =>
2 Al(s) + 3 CuCl2(aq) = 2 AlCl3(l) + 3 Cu
Cl2 + Br = Cl2Br =>
Cl2 + Br = Cl2Br
Li3N + HCl = LiCl + NH3 =>
Li3N + 3 HCl = 3 LiCl + NH3
CuSO4(ac) + Zn(s) = Cu(s)ZnSO4(ac) =>
CuSO4(ac) + Zn(s) = Cu(s)ZnSO4(ac)
(NH4)2S(aq) + ZnCl2(aq) = NH4Cl + ZnS =>
(NH4)2S(aq) + ZnCl2(aq) = 2 NH4Cl + ZnS
Ba + K2O = BaO + K =>
Ba + K2O = BaO + 2 K
Fe(s) + H2SO4 = FeSO4 + H2(g) =>
Fe(s) + H2SO4 = FeSO4 + H2(g)
C20H42 = C6H6 + H2 =>
3 C20H42 = 10 C6H6 + 33 H2
Cu + FeSO4*7H2O = Fe + CuSO4 + H2O =>
Cu + FeSO4*7H2O = Fe + CuSO4 + 7 H2O
SiO + HNO3 = SiO2 + NO + H2O =>
3 SiO + 2 HNO3 = 3 SiO2 + 2 NO + H2O
PCl3 + CH3OH = CH3Cl + H3PO3 =>
PCl3 + 3 CH3OH = 3 CH3Cl + H3PO3
CH3COH + H2 = CH3CH2OH =>
CH3COH + H2 = CH3CH2OH
NaBr + V(NO3)3 = NaBrV(NO3)3 =>
NaBr + V(NO3)3 = NaBrV(NO3)3
PbO2 + HCl = H2O + PbCl2Cl2 =>
PbO2 + 4 HCl = 2 H2O + PbCl2Cl2
I2 + Cl = ICl =>
I2 + 2 Cl = 2 ICl
H2O + Na2O = NaOH =>
H2O + Na2O = 2 NaOH
MgS + HNO3 = MgSO4 + NO2 + H2O =>
MgS + 8 HNO3 = MgSO4 + 8 NO2 + 4 H2O
NH4 + AgNO3 = NH4NO3 + Ag =>
NH4 + AgNO3 = NH4NO3 + Ag
Ag + HNO3 = Ag(NO3)3 + NO2 + H2O =>
Ag + 6 HNO3 = Ag(NO3)3 + 3 NO2 + 3 H2O
Sb2S3 + Na2S2 = Na3SbS4 + S =>
Sb2S3 + 3 Na2S2 = 2 Na3SbS4 + S
CH3COCH3 + CuO = CH3CHO + Cu =>
2 CH3COCH3 + CuO = 3 CH3CHO + Cu
ZnSiO3 + HCl = ZnCl2 + H2O + SiO2 =>
ZnSiO3 + 2 HCl = ZnCl2 + H2O + SiO2
Bi(OH)3 + NaOH = NaBiO2 + H2O =>
Bi(OH)3 + NaOH = NaBiO2 + 2 H2O
Ti + O2 = Ti2O3 =>
4 Ti + 3 O2 = 2 Ti2O3
(NH4)2S + NaOH = Na2S + NH3 + H2O =>
(NH4)2S + 2 NaOH = Na2S + 2 NH3 + 2 H2O
CH3COCH3 + CuO = CH3CHO + Cu =>
2 CH3COCH3 + CuO = 3 CH3CHO + Cu
Ca(NO3)2(aq) + Rb2SO4(aq) = CaSO4(s) + Rb2(NO3)2(aq) =>
Ca(NO3)2(aq) + Rb2SO4(aq) = CaSO4(s) + Rb2(NO3)2(aq)
H2S + MnCl2 = HCl + MnS =>
H2S + MnCl2 = 2 HCl + MnS
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