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2 K + H2S = 2 H + K2S
Zn(s) + HBr(aq) = ZnBr2(aq) + H2(g) =>
Zn(s) + 2 HBr(aq) = ZnBr2(aq) + H2(g)
C4H6O5(aq) + NaHCO3 = CO2 + H2O + NaC2H3O2 =>
2 C4H6O5(aq) + 3 NaHCO3 = 5 CO2 + 3 H2O + 3 NaC2H3O2
TiO2 + Na2S2O7 = Na2SO4 + TiO(SO4) =>
TiO2 + Na2S2O7 = Na2SO4 + TiO(SO4)
CH3OH + KMnO4 = H2O + K2CO3 + MnO2 =>
CH3OH + 2 KMnO4 = 2 H2O + K2CO3 + 2 MnO2
C2H6O2 + NaOH = H2O + Na2C2H4O2 =>
C2H6O2 + 2 NaOH = 2 H2O + Na2C2H4O2
Ag{+} + (SO4){-2} = Ag2(SO4) =>
2 Ag{+} + (SO4){-2} = Ag2(SO4)
C7H8 + Br2 = CBr4 + HBr =>
C7H8 + 18 Br2 = 7 CBr4 + 8 HBr
Br2(l) + KI(aq) = KBr(aq) + I2(s) =>
Br2(l) + 2 KI(aq) = 2 KBr(aq) + I2(s)
Li2SiN2 + Si3N4 + CaF2 + Y2O3 + YN + LiN3 = Li407Y33Ca57Si300N590O40F20 + LiF =>
5937 Li2SiN2 + 421 Si3N4 + 1368 CaF2 + 320 Y2O3 + 152 YN + 150 LiN3 = 24 Li407Y33Ca57Si300N590O40F20 + 2256 LiF
NO3 + OH + Al = Al2O3 + NH4 =>
3 NO3 + 12 OH + 14 Al = 7 Al2O3 + 3 NH4
KMnO4 + H2SO3 = MnO2 + K2SO4 + H2O + O2 =>
2 KMnO4 + H2SO3 = 2 MnO2 + K2SO4 + H2O + O2
Na2WS4 + H3PO4 = WS3 + Na3PO4 + H2S =>
3 Na2WS4 + 2 H3PO4 = 3 WS3 + 2 Na3PO4 + 3 H2S
C2H3Cl3 + O2 = CO2 + H2O + Cl2 =>
4 C2H3Cl3 + 11 O2 = 8 CO2 + 6 H2O + 6 Cl2
CaCO3 + CH3OOH = Ca(CH3COO) + H2O + CO2 =>
4 CaCO3 + 9 CH3OOH = 4 Ca(CH3COO) + 12 H2O + 5 CO2
MgCo3 + Al2(SO4)3 = MgSO4 + Al2(Co3)3 =>
3 MgCo3 + Al2(SO4)3 = 3 MgSO4 + Al2(Co3)3
H2SO4 + C2H6O = H2O + CO2 + SO2 =>
6 H2SO4 + C2H6O = 9 H2O + 2 CO2 + 6 SO2
Al + Pb(NO3)2 = Pb + Al(NO3)2 =>
Al + Pb(NO3)2 = Pb + Al(NO3)2
Zn + CH3COOH = ZnCH3COO + H2 =>
2 Zn + 2 CH3COOH = 2 ZnCH3COO + H2
(NH4)3PO4 + Sn(NO3)4 = Sn3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Sn(NO3)4 = Sn3(PO4)4 + 12 NH4NO3
C2H5N + O2 = CO2 + H2O + NO =>
4 C2H5N + 15 O2 = 8 CO2 + 10 H2O + 4 NO
NH4CuCl2 + NH4Cl + NaOH = [Cu(NH3)2]Cl + NaCl + H2O =>
NH4CuCl2 + NH4Cl + 2 NaOH = [Cu(NH3)2]Cl + 2 NaCl + 2 H2O
Cu + O2 + NH3 + H2O = [Cu(NH3)2]OH =>
4 Cu + O2 + 8 NH3 + 2 H2O = 4[Cu(NH3)2]OH
V2O5 + H2 = V2O0 + H2O =>
V2O5 + 4 H2 = V2O0 + 4 H2O
Na2{+}SO4{2-} + K{+}Cl{-} = Na{+}Cl{-} + K2{+}SO4{2-} =>
Na2{+}SO4{2-} + 2 K{+}Cl{-} = 2 Na{+}Cl{-} + K2{+}SO4{2-}
CH3CH3 + I2 = CH3CH2I + HI =>
CH3CH3 + I2 = CH3CH2I + HI
N2H4 + H2O2 = N2 + H2O* =>
N2H4 + 2 H2O2 = N2 + 4 H2O*
C100 = C =>
C100 = 100 C
NaBr + Fe(OH)3 = FeBr3 + NaOH =>
3 NaBr + Fe(OH)3 = FeBr3 + 3 NaOH
SnCO3 + Cr = Cr2(CO3)3 + Sn =>
3 SnCO3 + 2 Cr = Cr2(CO3)3 + 3 Sn
Cl2 + C2H2 = Cl2CHCHCl2 =>
2 Cl2 + C2H2 = Cl2CHCHCl2
SiO2(s)CaCO3(s) = CaSiO3CO2(g) =>
SiO2(s)CaCO3(s) = CaSiO3CO2(g)
Pb(SO4)2 + NaOH = Pb(OH)4 + Na2SO4 =>
Pb(SO4)2 + 4 NaOH = Pb(OH)4 + 2 Na2SO4
CaI2 + Hg(NO3)2 = I2Hg + Ca(NO3)2 =>
CaI2 + Hg(NO3)2 = I2Hg + Ca(NO3)2
Ti3P4 + CaS = TiS4 + Ca3P =>
Ti3P4 + 12 CaS = 3 TiS4 + 4 Ca3P
S + Rb2O = Rb2S + Rb(SO4) =>
9 S + 8 Rb2O = 7 Rb2S + 2 Rb(SO4)
O7 = O9 =>
9 O7 = 7 O9
Al(s) + HCl(g) = Al(s)Cl(l)H(g) =>
Al(s) + HCl(g) = Al(s)Cl(l)H(g)
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Cu(OH)2 + ZnO = CuZnO2 + H2O =>
Cu(OH)2 + ZnO = CuZnO2 + H2O
C + H2 + Cl2 = C2H5Cl =>
4 C + 5 H2 + Cl2 = 2 C2H5Cl
KO2 + H2CO3 = K2CO3 + H2O2 + O2 =>
2 KO2 + H2CO3 = K2CO3 + H2O2 + O2
Cu + KSCN = Cu(SCN)2 + K =>
Cu + 2 KSCN = Cu(SCN)2 + 2 K
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CH3OH + PBr3 = CH3Br + H3PO3 =>
3 CH3OH + PBr3 = 3 CH3Br + H3PO3
CaS = Ca + S8 =>
8 CaS = 8 Ca + S8
H2CrO4 + NaHSO3 + H2SO4 = Cr2(SO4)3 + NaHSO4 + H2O =>
2 H2CrO4 + 3 NaHSO3 + 3 H2SO4 = Cr2(SO4)3 + 3 NaHSO4 + 5 H2O
NaOH + BaCl2 = NaCl2 + OHBa =>
NaOH + BaCl2 = NaCl2 + OHBa
(NH4)3PO4(aq) + AlCl3(aq) = AlPO4 + NH4Cl =>
(NH4)3PO4(aq) + AlCl3(aq) = AlPO4 + 3 NH4Cl
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