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2 H3PO4 = 3 H2 + 2 PO4
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
Hg + Fe(NO3)3 = Hg(NO3)2 + Fe =>
3 Hg + 2 Fe(NO3)3 = 3 Hg(NO3)2 + 2 Fe
HClO2 = HClO + HClO3 =>
2 HClO2 = HClO + HClO3
Na2WO4 + HCl = WO3 + NaCl + H2O =>
Na2WO4 + 2 HCl = WO3 + 2 NaCl + H2O
HClO2 = H2 + Cl2 + O2 =>
2 HClO2 = H2 + Cl2 + 2 O2
C2H5OH(l) = (C2H5)2O(l) + H2O(l) =>
2 C2H5OH(l) = (C2H5)2O(l) + H2O(l)
Na2CO3(aq) + HNO3(aq) = CO2(g) + H2O(g) + NaNO3(aq) =>
Na2CO3(aq) + 2 HNO3(aq) = CO2(g) + H2O(g) + 2 NaNO3(aq)
FeCl3 + Mg3(PO4)2 = MgCl2 + FePO4 =>
2 FeCl3 + Mg3(PO4)2 = 3 MgCl2 + 2 FePO4
P + C = PC =>
P + C = PC
Mn2O7 = Mn + O2 =>
2 Mn2O7 = 4 Mn + 7 O2
BaS + PtCl2 = BaCl2 + PtS =>
BaS + PtCl2 = BaCl2 + PtS
BeCl2 + Na2CO3 + H2O = (BeOH)2CO3 + NaCl + CO2 =>
2 BeCl2 + 2 Na2CO3 + H2O = (BeOH)2CO3 + 4 NaCl + CO2
AgNO3 + PbBr2 = AgBr + Pb(NO3)2 =>
2 AgNO3 + PbBr2 = 2 AgBr + Pb(NO3)2
H2SeO4 = H2SeO3 + O2 =>
2 H2SeO4 = 2 H2SeO3 + O2
CaO + LiF = CaF2 + Li2O =>
CaO + 2 LiF = CaF2 + Li2O
(NH4)2CO3 + Ba + OH = NH3 + BaCO3 + H2O =>
(NH4)2CO3 + Ba + 2 OH = 2 NH3 + BaCO3 + 2 H2O
AlCl3 + Au = AuCl + Al =>
AlCl3 + 3 Au = 3 AuCl + Al
NH4OH + KOH = KNH2 + H2O =>
NH4OH + KOH = KNH2 + 2 H2O
PbO + C = CO*Pb =>
PbO + C = CO*Pb
Cr(OH)3 + H2O2 + OH{-} = CrO42{-} + H2O =>
Cr(OH)3 + 40 H2O2 + OH{-} = CrO42{-} + 42 H2O
KHSO4 + NaOH = H2O + NaKSO4 =>
KHSO4 + NaOH = H2O + NaKSO4
C6H14 + Cl2 = C6H12Cl2 + HCl =>
C6H14 + 2 Cl2 = C6H12Cl2 + 2 HCl
(NH4)2SO4 + NaOH = NH4OH + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH4OH + Na2SO4
Sr(NO3)2 + Na2(CO3) = Sr(CO3) + NaNO3 =>
Sr(NO3)2 + Na2(CO3) = Sr(CO3) + 2 NaNO3
CuO + N2O3 = CuO2 + N2O =>
2 CuO + N2O3 = 2 CuO2 + N2O
Fe(CrO2)2 + Na2CO3 + O2 = Fe2O3 + Na2CrO4 + CO2 =>
4 Fe(CrO2)2 + 8 Na2CO3 + 7 O2 = 2 Fe2O3 + 8 Na2CrO4 + 8 CO2
Zn2O3 + C = Zn + CO2 =>
2 Zn2O3 + 3 C = 4 Zn + 3 CO2
Hg + NaOH = Hg(OH) + Na =>
Hg + NaOH = Hg(OH) + Na
P4 + Ca(OH)2 + H2O = CaHPO3 + PH3 =>
P4 + 2 Ca(OH)2 + 2 H2O = 2 CaHPO3 + 2 PH3
Al(NO3)3 + Na(OH) = Al(OH)3 + Na(NO3) =>
Al(NO3)3 + 3 Na(OH) = Al(OH)3 + 3 Na(NO3)
NH4Br + H2O = NH3 + H3O + Br =>
NH4Br + H2O = NH3 + H3O + Br
Cd(NO3)2 + H2O = Cd + O2 + HNO3 =>
2 Cd(NO3)2 + 2 H2O = 2 Cd + O2 + 4 HNO3
C4H9NH2 + H2O = C4H9NH3 + OH =>
C4H9NH2 + H2O = C4H9NH3 + OH
C2H5COOH + C2H5OH = C2H5COOCH3 + H2O =>
2 C2H5COOH + C2H5OH = 2 C2H5COOCH3 + H2O
KClO3 + (NH4)2CO3 = K2CO3 + NH4ClO3 =>
2 KClO3 + (NH4)2CO3 = K2CO3 + 2 NH4ClO3
H2CO3(aq) + Sr(OH)2(aq) = H2O(l) + Sr(HCO3)2(aq) =>
2 H2CO3(aq) + Sr(OH)2(aq) = 2 H2O(l) + Sr(HCO3)2(aq)
NaH + BCl3 = NaCl + B + H =>
3 NaH + BCl3 = 3 NaCl + B + 3 H
FeSO4 + NO = [Fe(NO)]SO4 =>
FeSO4 + NO = [Fe(NO)]SO4
NH4OH + CuSO4 = Cu(NH4OH)4 + SO4 =>
4 NH4OH + CuSO4 = Cu(NH4OH)4 + SO4
NOAg = NO + Ag =>
NOAg = NO + Ag
Sn(NO3)2 + KOH = Sn(OH)2 + KNO3 =>
Sn(NO3)2 + 2 KOH = Sn(OH)2 + 2 KNO3
K + O2 = K2O =>
4 K + O2 = 2 K2O
CH4N2O + NaOH = NH3 + Na2CO3 =>
CH4N2O + 2 NaOH = 2 NH3 + Na2CO3
MnO2 + NaOH = Na2MnO4 + H2 =>
MnO2 + 2 NaOH = Na2MnO4 + H2
N + O = NO2 =>
N + 2 O = NO2
Fe2(CO3)3 + H2O = Fe2O3 + H2CO3 =>
Fe2(CO3)3 + 3 H2O = Fe2O3 + 3 H2CO3
Cu2(SO4)2 + BaCl2 = CuCl2 + Ba2(SO4)2 =>
Cu2(SO4)2 + 2 BaCl2 = 2 CuCl2 + Ba2(SO4)2
Fe + I2 = FeI3 =>
2 Fe + 3 I2 = 2 FeI3
Al + H2(SO)4 = Al(SO)4 + H2 =>
Al + H2(SO)4 = Al(SO)4 + H2
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