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2 Zn + 2 HCI = 2 ZnCI + H2
H2 + Mg(NO3)2 = MgO + NO2 + H2O =>
H2 + Mg(NO3)2 = MgO + 2 NO2 + H2O
SF6(g) = S(s) + F2(g) =>
SF6(g) = S(s) + 3 F2(g)
Zn + NaOH + H2O = Na3Zn(OH)4 + H2 =>
2 Zn + 6 NaOH + 2 H2O = 2 Na3Zn(OH)4 + H2
Cu2 + F = CuF2 =>
Cu2 + 4 F = 2 CuF2
HgS + O2 = Hg + SO2 =>
HgS + O2 = Hg + SO2
(NH4)2CO3(aq) + MgSO4(aq) = (NH4)2SO4(aq) + MgCO3(s) =>
(NH4)2CO3(aq) + MgSO4(aq) = (NH4)2SO4(aq) + MgCO3(s)
H3PO2 + HgCl2 + H2O = H3PO3 + Hg + HCl =>
H3PO2 + HgCl2 + H2O = H3PO3 + Hg + 2 HCl
Ca + S = CaS =>
Ca + S = CaS
B2O3(s) + H2O = B(OH)3 =>
B2O3(s) + 3 H2O = 2 B(OH)3
SF6(g) = S(g) + F2(g) =>
SF6(g) = S(g) + 3 F2(g)
Ag2S5 + HNO3 = H3AgO4 + H2SO4 + NO2 + H2O =>
Ag2S5 + 40 HNO3 = 2 H3AgO4 + 5 H2SO4 + 40 NO2 + 12 H2O
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C4H10 + H2 = CH4 =>
C4H10 + 3 H2 = 4 CH4
P2O5 + SnO2 = Sn3(PO4)4 =>
2 P2O5 + 3 SnO2 = Sn3(PO4)4
Fe2 + Cu2SO4 = Cu2 + FeSO4 =>
Fe2 + 2 Cu2SO4 = 2 Cu2 + 2 FeSO4
LiBr + Pb(NO3)2 = LiNO3 + PbBr2 =>
2 LiBr + Pb(NO3)2 = 2 LiNO3 + PbBr2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
ZnSO4Ba = ZnBaSO4 =>
ZnSO4Ba = ZnBaSO4
AgBr + Fe2(CO3)3 = FeBr3 + Ag2CO3 =>
6 AgBr + Fe2(CO3)3 = 2 FeBr3 + 3 Ag2CO3
CuSO4 + NH3H2O = Cu(OH)2 + (NH4)2SO4 =>
CuSO4 + 2 NH3H2O = Cu(OH)2 + (NH4)2SO4
KCl + Ag2O = K2O + AgCl =>
2 KCl + Ag2O = K2O + 2 AgCl
Na(s) + FeCl2 = Fe + NaCl =>
2 Na(s) + FeCl2 = Fe + 2 NaCl
AgNO3(ac) + H2S(ac) = Ag2S(ac) + HNO3(ac) =>
2 AgNO3(ac) + H2S(ac) = Ag2S(ac) + 2 HNO3(ac)
Li2SO4 + Cu(NO3)2 = LiNO3 + CuSO4 =>
Li2SO4 + Cu(NO3)2 = 2 LiNO3 + CuSO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2Co3*10H2O = Na2Co3 + H2O =>
Na2Co3*10H2O = Na2Co3 + 10 H2O
HCl + SnCl2 + O3 = SnCl4 + H2O =>
6 HCl + 3 SnCl2 + O3 = 3 SnCl4 + 3 H2O
C5H13N + H2O = OH + C5H15N =>
C5H13N + 2 H2O = 2 OH + C5H15N
NaHCO3 + Ca(OH)2 = NaOH + CaCO3 + H2O =>
NaHCO3 + Ca(OH)2 = NaOH + CaCO3 + H2O
NaSO3 + Na2S + H2SO4 = NaHSO4 + S =>
4 NaSO3 + Na2S + 3 H2SO4 = 6 NaHSO4 + 2 S
C4H10 + H2 = CH4 =>
C4H10 + 3 H2 = 4 CH4
NH4I(aq) + Cl2(g) = NH4Cl(aq) + I2(g) =>
2 NH4I(aq) + Cl2(g) = 2 NH4Cl(aq) + I2(g)
Fe2O3 + Mg(NO3)2 = Fe(NO3)3 + MgO =>
Fe2O3 + 3 Mg(NO3)2 = 2 Fe(NO3)3 + 3 MgO
NaI + XeO3 + HNO3 = Xe + NaI3 + H2O + NaNO3 =>
9 NaI + XeO3 + 6 HNO3 = Xe + 3 NaI3 + 3 H2O + 6 NaNO3
HSO3{-} + OCl{-} = HSO4{-} + Cl{-} =>
HSO3{-} + OCl{-} = HSO4{-} + Cl{-}
C3H8C4H10 + O2 = CO2 + H2O =>
2 C3H8C4H10 + 23 O2 = 14 CO2 + 18 H2O
S + Na = Na2S =>
S + 2 Na = Na2S
P2 + I2 + H2O = H3PO4 + HI =>
P2 + 5 I2 + 8 H2O = 2 H3PO4 + 10 HI
Co + ZnCl2 = CoCl3 + Zn =>
2 Co + 3 ZnCl2 = 2 CoCl3 + 3 Zn
HA + BaOH = H2O + BaA =>
HA + BaOH = H2O + BaA
ZnSO4 + HI = ZnI2 + H2SO4 =>
ZnSO4 + 2 HI = ZnI2 + H2SO4
C6H4COOH + O2 = CO2 + H2O =>
4 C6H4COOH + 29 O2 = 28 CO2 + 10 H2O
N + Na = NNa =>
N + Na = NNa
Bi2S3 + HNO3 = Bi(NO3)3 + NO + S + H2O =>
Bi2S3 + 8 HNO3 = 2 Bi(NO3)3 + 2 NO + 3 S + 4 H2O
Na3AsO3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na3AsO4 + K2SO4 + H2O =>
3 Na3AsO3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + 3 Na3AsO4 + K2SO4 + 4 H2O
Fe(Cl)3 + NaOH = Fe(OH)3 + NaCl =>
Fe(Cl)3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KClH2C4H4O6 = KHC4H4O6HCl =>
KClH2C4H4O6 = KHC4H4O6HCl
C6H14O6 + Cu(OH)2 = Cu2O + H2O + C6H8O7 =>
C6H14O6 + 8 Cu(OH)2 = 4 Cu2O + 11 H2O + C6H8O7
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