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2 Hg(NO3)2(aq) + N2H4(aq) = 2 Hg(l) + N2(g) + 4 HNO3(aq)
H3Po4 + Na2S = NaH2Po4 + H2S =>
2 H3Po4 + Na2S = 2 NaH2Po4 + H2S
CuSO4 + K4[Fe(CN)6] = FeSO4 + K4[Cu(CN)6] =>
CuSO4 + K4[Fe(CN)6] = FeSO4 + K4[Cu(CN)6]
BaS + HSO4 = BaSO4 + HS =>
BaS + HSO4 = BaSO4 + HS
NaBO3*4H2O + KI + H2SO4 = Na2SO4 + K2SO4 + BO2 + H2O + I2 =>
2 NaBO3*4H2O + 2 KI + 2 H2SO4 = Na2SO4 + K2SO4 + 2 BO2 + 10 H2O + I2
Fe(OH)2 + SO3 = Fe2SO4(OH)2 + H2O =>
2 Fe(OH)2 + SO3 = Fe2SO4(OH)2 + H2O
NaOH + Cl2 = NaClO3 + NaCl + H2 =>
6 NaOH + 3 Cl2 = 2 NaClO3 + 4 NaCl + 3 H2
Mn(s) + HBr(aq) = MnBr + H =>
Mn(s) + HBr(aq) = MnBr + H
PbI2 + AgNO3 = AgI + Pb(NO3)2 =>
PbI2 + 2 AgNO3 = 2 AgI + Pb(NO3)2
nitrogen + oxygen = dinitrogentetroxide =>
N2 + 2 O2 = N2O4
C7H17 + O3 = CO2 + H2O =>
2 C7H17 + 15 O3 = 14 CO2 + 17 H2O
CH3COOH + Na2CO3 = CH3COONa + O2 =>
3 CH3COOH + 2 Na2CO3 = 4 CH3COONa + 2 O2
Nd + O2 = Nd2O3 =>
4 Nd + 3 O2 = 2 Nd2O3
ZnCl2 + BaCl2 = Zn2Cl5 + Ba =>
4 ZnCl2 + BaCl2 = 2 Zn2Cl5 + Ba
XCH3 + KMnO4 + H2SO4 = XCOOH + K2SO4 + MnSO4 + H2O =>
5 XCH3 + 6 KMnO4 + 9 H2SO4 = 5 XCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Na2CO3(s) + AgNO3(aq) = Na2NO3(aq) + AgCO3(aq) =>
Na2CO3(s) + AgNO3(aq) = Na2NO3(aq) + AgCO3(aq)
N2O5 + H2 = N2 + H2O =>
N2O5 + 5 H2 = N2 + 5 H2O
CNCH3 + H2O = CH3OOH + NH3 =>
CNCH3 + 4 H2O = 2 CH3OOH + NH3
SiO2 + Ca(OH)2 = CaSiO3 + H2O =>
SiO2 + Ca(OH)2 = CaSiO3 + H2O
H2(CO3) + (Sn(SO4)2) = HSO4 + SnCO3 =>
H2(CO3) + (Sn(SO4)2) = 2 HSO4 + SnCO3
Fe2O3 + H2(CO3) = Fe2(CO3)3 + H2O =>
Fe2O3 + 3 H2(CO3) = Fe2(CO3)3 + 3 H2O
KMnO4 + H2SO4 + Fe = Fe2(SO4)3 + MnSO4 + KSO4 + H2O =>
3 KMnO4 + 12 H2SO4 + 4 Fe = 2 Fe2(SO4)3 + 3 MnSO4 + 3 KSO4 + 12 H2O
Li2S(aq) + HNO2(aq) = LiNO2(aq) + H2S(g) =>
Li2S(aq) + 2 HNO2(aq) = 2 LiNO2(aq) + H2S(g)
Fe2O + O2 = FeO3 =>
2 Fe2O + 5 O2 = 4 FeO3
C2H5OH + C2H2O4 = C4H6O2 + H2O =>
7 C2H5OH + 3 C2H2O4 = 5 C4H6O2 + 9 H2O
K3PO4 + BaF2 = Ba3(PO4)2 + KF =>
2 K3PO4 + 3 BaF2 = Ba3(PO4)2 + 6 KF
CrO2 + KOH = K2CrO4 + H2 =>
CrO2 + 2 KOH = K2CrO4 + H2
Si + O2 = Si2O8 =>
2 Si + 4 O2 = Si2O8
KCrO2 + HNO3 = Cr(NO3)3 + KNO3 + H2O =>
KCrO2 + 4 HNO3 = Cr(NO3)3 + KNO3 + 2 H2O
HNO3 + CaCO3 = Ca2 + NO3 + CO2 + H2O =>
4 HNO3 + 2 CaCO3 = Ca2 + 4 NO3 + 2 CO2 + 2 H2O
Al2O3 + KOH = Al(OH)3 + K2O =>
Al2O3 + 6 KOH = 2 Al(OH)3 + 3 K2O
Cu(NO3)2(ac) + NaHCO3(ac) = CuCO3(s) + NaNO3(ac) + CO2(g) + H2O(l) =>
Cu(NO3)2(ac) + 2 NaHCO3(ac) = CuCO3(s) + 2 NaNO3(ac) + CO2(g) + H2O(l)
KNC + PbO2 + HCl = KCl + PbCl2 + CO2 + NO + H2O =>
2 KNC + 7 PbO2 + 16 HCl = 2 KCl + 7 PbCl2 + 2 CO2 + 2 NO + 8 H2O
N2H5Cl = N2H4 + Cl + H =>
N2H5Cl = N2H4 + Cl + H
Zn + HBr2 = Zn(Br2)2 + H2 =>
Zn + 2 HBr2 = Zn(Br2)2 + H2
Si + KOH = KSiO + H2 =>
2 Si + 2 KOH = 2 KSiO + H2
NaOCH3 + H2SO4 = Na2SO4 + CH3OH =>
2 NaOCH3 + H2SO4 = Na2SO4 + 2 CH3OH
CrO4 + NH3 = CrO3 + N2 + H2O =>
3 CrO4 + 2 NH3 = 3 CrO3 + N2 + 3 H2O
NH4Cl + LiOH = LiCl + H2O + NH3 =>
NH4Cl + LiOH = LiCl + H2O + NH3
NaSCN + HCl = NaCl + HSCN =>
NaSCN + HCl = NaCl + HSCN
H2PO4{-} + H2O = HPO4{-2} + H3O{+} =>
H2PO4{-} + H2O = HPO4{-2} + H3O{+}
Ag + H2SO4 = Ag2SO4 + H =>
2 Ag + H2SO4 = Ag2SO4 + 2 H
OH = H + O =>
OH = H + O
Ba(OH)2(aq) + K2SO4(aq) = KOH(aq) + BaSO4(s) =>
Ba(OH)2(aq) + K2SO4(aq) = 2 KOH(aq) + BaSO4(s)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Al2(CO3)3 + LiNO3 = Li2CO3 + Al(NO3)3 =>
Al2(CO3)3 + 6 LiNO3 = 3 Li2CO3 + 2 Al(NO3)3
Fe(OH)3 + CH3COOH = Fe{3+} + CH3COO{-} + H2O =>
Fe(OH)3 + 3 CH3COOH = Fe{3+} + 3 CH3COO{-} + 3 H2O
NaClO3(g) = NaCl(s) + O2(s) =>
2 NaClO3(g) = 2 NaCl(s) + 3 O2(s)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg + FeSO4 = MgSO4 + Fe =>
Mg + FeSO4 = MgSO4 + Fe
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