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Pb(NO3)2 + Na2CrO4 = PbCrO4 + 2 NaNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH4 + CCl4 = CH2Cl2 =>
CH4 + CCl4 = 2 CH2Cl2
CD + HCl = CDCl2 + H2 =>
CD + 2 HCl = CDCl2 + H2
Fe + S = FeS =>
Fe + S = FeS
C2H5COOH + Al(OH)3 = (C2H5COO)3Al + H2O =>
3 C2H5COOH + Al(OH)3 = (C2H5COO)3Al + 3 H2O
Ca(s) + HCl(l) = H2(g) + CaCl2(aq) =>
Ca(s) + 2 HCl(l) = H2(g) + CaCl2(aq)
SiN + AgO = SiO2 + Ag + NO2 =>
SiN + 4 AgO = SiO2 + 4 Ag + NO2
CrO3 + HCl = CrCl6 + H2O =>
CrO3 + 6 HCl = CrCl6 + 3 H2O
Cu(No3)2 + K2S = CuS + K(No3) =>
Cu(No3)2 + K2S = CuS + 2 K(No3)
TaCl4 + NaOH = Na3TaO4 + NaCl + H2 + H2O =>
2 TaCl4 + 14 NaOH = 2 Na3TaO4 + 8 NaCl + H2 + 6 H2O
Na2CO3*10H2O + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3*10H2O + H2SO4 = Na2SO4 + CO2 + 11 H2O
Cl2 + S2O32{-} + H2O = Cl{-} + SO42{-} + H{+} =>
103 Cl2 + 2 S2O32{-} + 104 H2O = 206 Cl{-} + 4 SO42{-} + 208 H{+}
LiH + Al2O6 = LiAlH4 + Li2O2 =>
8 LiH + Al2O6 = 2 LiAlH4 + 3 Li2O2
K2HPO4 + O2 = K2PO4 + H2O =>
4 K2HPO4 + O2 = 4 K2PO4 + 2 H2O
AlCl3 + K2SO3 = KCl + Al2(SO3)3 =>
2 AlCl3 + 3 K2SO3 = 6 KCl + Al2(SO3)3
NiSO4 + K2HPO4 = NiHPO4 + K2SO4 =>
NiSO4 + K2HPO4 = NiHPO4 + K2SO4
KCl + NH4OH = KNH4 + ClOH =>
KCl + NH4OH = KNH4 + ClOH
Al + MgCl2 = Al(Cl)3 + Mg =>
2 Al + 3 MgCl2 = 2 Al(Cl)3 + 3 Mg
HYT = TYT + HYH =>
2 HYT = TYT + HYH
Fe(acac)3 + NaOH = Fe(OH)3 + Na(acac) =>
Fe(acac)3 + 9 NaOH = 3 Fe(OH)3 + 9 Na(acac)
C2H6(g) + O(g) = CO(g) + H2O(g) =>
C2H6(g) + 5 O(g) = 2 CO(g) + 3 H2O(g)
HSO4 + CN = HN + CSO4 =>
HSO4 + CN = HN + CSO4
Zn + AgCl = ZnAgCl =>
Zn + AgCl = ZnAgCl
Fe + Br = FeBr3 =>
Fe + 3 Br = FeBr3
CH3COOH + CH2CH3OH = CH3COOCH2CH3 + H2O =>
CH3COOH + CH2CH3OH = CH3COOCH2CH3 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Pb(CH3COO)2 + KBr = PbBr2 + CH3COOK =>
Pb(CH3COO)2 + 2 KBr = PbBr2 + 2 CH3COOK
Al2(CO3)3 + HClO3 = Al(ClO3)3 + H2CO3 =>
Al2(CO3)3 + 6 HClO3 = 2 Al(ClO3)3 + 3 H2CO3
Fe{3+} + Cl{-} = Fe + Cl =>
Fe{3+} + 3 Cl{-} = Fe + 3 Cl
Li2SO3 + H2O = LiOH + H2SO3 =>
Li2SO3 + 2 H2O = 2 LiOH + H2SO3
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
Ca(HCO3)2 + Ca(OH)2 = CaCO3 + H2O =>
Ca(HCO3)2 + Ca(OH)2 = 2 CaCO3 + 2 H2O
Ca3P2 + H2O = PH3(g) + Ca(OH)2 =>
Ca3P2 + 6 H2O = 2 PH3(g) + 3 Ca(OH)2
NH4{+} + NO3{-} = N2O + H2O =>
NH4{+} + NO3{-} = N2O + 2 H2O
K + CO2 = K2O + C =>
4 K + CO2 = 2 K2O + C
Na2SO4(aq) + AgNO3(aq) = Ag2SO4(s) + NaNO3(aq) =>
Na2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + 2 NaNO3(aq)
H2S + Cu = Cu(HS)2 + H2 =>
2 H2S + Cu = Cu(HS)2 + H2
Ca(CH3COO)2 + Al2(SO4)3 = Ca(SO4)3 + Al2(CH3COO)2 =>
Ca(CH3COO)2 + Al2(SO4)3 = Ca(SO4)3 + Al2(CH3COO)2
AsO4{3-} + CN{-} + H2O = AsO2 + CNO{-} + OH{-} =>
2 AsO4{3-} + CN{-} + 3 H2O = 2 AsO2 + CNO{-} + 6 OH{-}
Fe203 + HNO3(conc) = Fe(NO3)3 + NO + H2O =>
Fe203 + 812 HNO3(conc) = 203 Fe(NO3)3 + 203 NO + 406 H2O
HNO3 + Cl2 = HCl + NO3 =>
2 HNO3 + Cl2 = 2 HCl + 2 NO3
[Fe(SCN)(H2O)5](aq) + FeCl(aq) = [Cl2(SCN)(H2O)5](aq) + Fe(aq) =>
[Fe(SCN)(H2O)5](aq) + 2 FeCl(aq) = [Cl2(SCN)(H2O)5](aq) + 3 Fe(aq)
NO(g) = N2O(g) + NO2(g) =>
3 NO(g) = N2O(g) + NO2(g)
AlCl + H2SeO4 = AlSeO4 + H2Cl =>
AlCl + H2SeO4 = AlSeO4 + H2Cl
HCl(aq) + Cr(s) = H2(g) + CrCl(aq) =>
2 HCl(aq) + 2 Cr(s) = H2(g) + 2 CrCl(aq)
B + SO2 = B2O3 + S8 =>
32 B + 24 SO2 = 16 B2O3 + 3 S8
H{+} + Cr2O7{2-} + C2H5OH = CH3CO2H + Cr{3+} + H2O =>
16 H{+} + 2 Cr2O7{2-} + 3 C2H5OH = 3 CH3CO2H + 4 Cr{3+} + 11 H2O
Mg + Fe + SO4 + H2O = MgFe4(SO4)6(OH)2*20H2O + SO3 =>
Mg + 4 Fe + 7 SO4 + 21 H2O = MgFe4(SO4)6(OH)2*20H2O + SO3
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
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