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K20 + 10 SO3 = 10 K2SO3
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
CH3COOCH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3COOCH2CH2CH3 + 13 O2 = 10 CO2 + 10 H2O
Li + NH3 = LiNH3 =>
Li + NH3 = LiNH3
HCOOHZn = HCOOZnH =>
HCOOHZn = HCOOZnH
CuZn3 = Cu5Zn8 + Zn =>
5 CuZn3 = Cu5Zn8 + 7 Zn
CH3CO2H(aq) + NaOH(aq) = CH3CO2Na(aq) + H2O(l) =>
CH3CO2H(aq) + NaOH(aq) = CH3CO2Na(aq) + H2O(l)
Ca3(PO4)2 + Na2CO3 = Ca(CO3) + Na3(PO4) =>
Ca3(PO4)2 + 3 Na2CO3 = 3 Ca(CO3) + 2 Na3(PO4)
C8H8O3 + NaOH + H7NO2 = C10H15N + NaHCO3 + H2O =>
26 C8H8O3 + 38 NaOH + 17 H7NO2 = 17 C10H15N + 38 NaHCO3 + 36 H2O
(Fe2O3) + H2C2O4(aq) = Fe2(C2O4)3(aq) + H2O =>
(Fe2O3) + 3 H2C2O4(aq) = Fe2(C2O4)3(aq) + 3 H2O
MnO4{2-} + H{+} + Sn{2+} = Mn{2+} + Sn{4+} + H2O =>
MnO4{2-} + 8 H{+} + 2 Sn{2+} = Mn{2+} + 2 Sn{4+} + 4 H2O
Ca3(PO4)2 + Na2CO3 = Ca(CO3) + Na3(PO4) =>
Ca3(PO4)2 + 3 Na2CO3 = 3 Ca(CO3) + 2 Na3(PO4)
CaBr2(aq) + KI(aq) = KBr(aq) + CaI2(aq) =>
CaBr2(aq) + 2 KI(aq) = 2 KBr(aq) + CaI2(aq)
H2O + CO2 = C18H36O + O2 =>
36 H2O + 36 CO2 = 2 C18H36O + 53 O2
SiO2 + Ca(OH)2 = CaSiO3 + H2O =>
SiO2 + Ca(OH)2 = CaSiO3 + H2O
Na3Po4 = Na{+} + Po4{3-} =>
Na3Po4 = 3 Na{+} + Po4{3-}
NH4Hg = H2 + NH3 + Hg =>
2 NH4Hg = H2 + 2 NH3 + 2 Hg
K2CrO4 + Na2SO3 + HCl = Na2SO4 + CrCl + H2O + KCl =>
2 K2CrO4 + 5 Na2SO3 + 6 HCl = 5 Na2SO4 + 2 CrCl + 3 H2O + 4 KCl
CUS + HNO3 = CU(NO3)2 + H2S =>
CUS + 2 HNO3 = CU(NO3)2 + H2S
AlI3 + HgI2 = Al2(HgI4)3 =>
2 AlI3 + 3 HgI2 = Al2(HgI4)3
Cu(OH)2 + HCH3COO = Cu(C2H3O2)2 + H2O =>
Cu(OH)2 + 2 HCH3COO = Cu(C2H3O2)2 + 2 H2O
Ag + HNO3 = Ag(NO3)3 + NO2 + H2O =>
Ag + 6 HNO3 = Ag(NO3)3 + 3 NO2 + 3 H2O
CuO = Cu2 + O =>
2 CuO = Cu2 + 2 O
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
AgNO3 + NH2CH2COOH = Ag2O + C2O + N2 + H2O =>
6 AgNO3 + 10 NH2CH2COOH = 3 Ag2O + 10 C2O + 8 N2 + 25 H2O
MgF2 = Mg3F6 =>
3 MgF2 = Mg3F6
CO2 + H2O + HF = C6H5F + O2 =>
6 CO2 + 2 H2O + HF = C6H5F + 7 O2
(NH4)2S + FePO4 = (NH4)3PO4 + Fe2S3 =>
3(NH4)2S + 2 FePO4 = 2(NH4)3PO4 + Fe2S3
CaOH2NaHCO3 = NaOHCaH2CO3 =>
CaOH2NaHCO3 = NaOHCaH2CO3
CUHg(NO3)2 = CU(NO3)2Hg =>
CUHg(NO3)2 = CU(NO3)2Hg
Ca(OH)2 + Na3CO3 = NaOH + Ca3(CO3)2 =>
3 Ca(OH)2 + 2 Na3CO3 = 6 NaOH + Ca3(CO3)2
HCHO + (Ag(NH3)2)OH = HCOOH + Ag + H2O + NH3 =>
HCHO + 2(Ag(NH3)2)OH = HCOOH + 2 Ag + H2O + 4 NH3
PbCl2 + Na2CrO4 = PbCrO4 + NaCl =>
PbCl2 + Na2CrO4 = PbCrO4 + 2 NaCl
NH4Cl + O2 = NH3 + H2O + Cl =>
4 NH4Cl + O2 = 4 NH3 + 2 H2O + 4 Cl
NaBr3 + NaBrO3 + H2SO4 = Br2 + Na2SO4 + H2O =>
5 NaBr3 + NaBrO3 + 3 H2SO4 = 8 Br2 + 3 Na2SO4 + 3 H2O
H2SO4(aq)Na2CO3(s) = Na2SO4(aq)H2OCO2(g) =>
H2SO4(aq)Na2CO3(s) = Na2SO4(aq)H2OCO2(g)
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
Fe2(CO3)3 + H3PO4 = CO2 + FePO4 + H2O =>
Fe2(CO3)3 + 2 H3PO4 = 3 CO2 + 2 FePO4 + 3 H2O
C7H15Br + C2H5Br + Na = NaBr + C9H20 =>
C7H15Br + C2H5Br + 2 Na = 2 NaBr + C9H20
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Be + F26 = BeF2 =>
13 Be + F26 = 13 BeF2
C2H5OH + NaCrO7 + HSO4 = CH3COOH + Cr2(SO4)3 + H2O + Na2SO4 =>
6 C2H5OH + 2 NaCrO7 + 4 HSO4 = 6 CH3COOH + Cr2(SO4)3 + 8 H2O + Na2SO4
NaBrO + HNO3 = NaNO3 + HBrO =>
NaBrO + HNO3 = NaNO3 + HBrO
Mn + SO4 = Mn(SO4)2 =>
Mn + 2 SO4 = Mn(SO4)2
B2O3 + CH3OH = B(OCH3)3 + H2O =>
B2O3 + 6 CH3OH = 2 B(OCH3)3 + 3 H2O
C2H5O + O2 = CO + H2O =>
4 C2H5O + 7 O2 = 8 CO + 10 H2O
CaF2 + H2SO4 + B2O3 = CaSO4 + BF3 + H2O =>
3 CaF2 + 3 H2SO4 + B2O3 = 3 CaSO4 + 2 BF3 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Pb(No3)2 + Ba(OH)2 = Ba(No3)2 + Pb(OH)2 =>
Pb(No3)2 + Ba(OH)2 = Ba(No3)2 + Pb(OH)2
FeCl3 + NH4OH = FeCl2 + N2O + HCl + H2O =>
8 FeCl3 + 2 NH4OH = 8 FeCl2 + N2O + 8 HCl + H2O
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