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H8 = 4 H2
KI + KClO3 + H2SO4 = KCl + K2SO4 + H2O + I2 =>
6 KI + KClO3 + 3 H2SO4 = KCl + 3 K2SO4 + 3 H2O + 3 I2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
K3PO(aq) + MgCl2(aq) = MgPO(s) + K3Cl2(aq) =>
K3PO(aq) + MgCl2(aq) = MgPO(s) + K3Cl2(aq)
Fe + H2SO4 = Fe2(SO4)3S + H2O =>
2 Fe + 4 H2SO4 = Fe2(SO4)3S + 4 H2O
CuSO4 + NaF = CuF2 + Na2SO4 =>
CuSO4 + 2 NaF = CuF2 + Na2SO4
HCuCl2 + CO = Cu(CO)Cl + HCl =>
HCuCl2 + CO = Cu(CO)Cl + HCl
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CO + H2O + NO = C2H3N + O2 =>
8 CO + 6 H2O + 4 NO = 4 C2H3N + 9 O2
KSCN + Fe = FeKSCN =>
KSCN + Fe = FeKSCN
(b)CaCO3 + H2SO4 = CaSO4 + CO2 + H2O =>
(b)CaCO3 + H2SO4 = CaSO4 + CO2 + H2O
Mg(OH)2 + H3BO3 = H2O + Mg(HBO3) =>
Mg(OH)2 + H3BO3 = 2 H2O + Mg(HBO3)
Cl2 + NaNO2 + NaOH = NaNO3 + NaCl + H2O =>
Cl2 + NaNO2 + 2 NaOH = NaNO3 + 2 NaCl + H2O
(CH3)3N + H3O = (CH3)3NH + H2O =>
(CH3)3N + H3O = (CH3)3NH + H2O
SO4{2-} + C6H5O7{3-} = CO2 + SO3{2-} + H2O + OH{-} =>
9 SO4{2-} + C6H5O7{3-} = 6 CO2 + 9 SO3{2-} + H2O + 3 OH{-}
C2H5OH + NaOH = C2H5ONa + HOH =>
C2H5OH + NaOH = C2H5ONa + HOH
C8H14 + H2 = CH4 =>
C8H14 + 9 H2 = 8 CH4
CH3CHClCH3 + KOH = H2O + CH2CHCH2CH3 + KCl =>
4 CH3CHClCH3 + 4 KOH = 4 H2O + 3 CH2CHCH2CH3 + 4 KCl
SnO + HF = SnOHF =>
SnO + HF = SnOHF
HCl = H2Cl2 =>
2 HCl = H2Cl2
KCl + (NH4)2SO4 = K2SO4 + NH4Cl =>
2 KCl + (NH4)2SO4 = K2SO4 + 2 NH4Cl
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
N2H5{+} + H2O = N2H4 + H3O{+} =>
N2H5{+} + H2O = N2H4 + H3O{+}
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
Er2O3 + HNO3 = Er(NO3)3*6H2O + N2 + O2 =>
2 Er2O3 + 48 HNO3 = 4 Er(NO3)3*6H2O + 18 N2 + 45 O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
N2H4 + C2N6O12 = CO2 + N2 + H2O =>
4 N2H4 + C2N6O12 = 2 CO2 + 7 N2 + 8 H2O
Cr(OH)3 + H2O2 + KOH = H2O + K2CrO4 =>
2 Cr(OH)3 + 3 H2O2 + 4 KOH = 8 H2O + 2 K2CrO4
SiCl4 = Si + Cl =>
SiCl4 = Si + 4 Cl
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
AlO + H2O = AlO2H2 =>
AlO + H2O = AlO2H2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
BaS + Li2SO4 = BaSO4 + Li2S =>
BaS + Li2SO4 = BaSO4 + Li2S
CaCl2 + Na2HPO4 = CaHPO4 + NaCl =>
CaCl2 + Na2HPO4 = CaHPO4 + 2 NaCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
HPO2 = P2O3 + H2O =>
2 HPO2 = P2O3 + H2O
BaS + Li2SO4 = BaSO4 + Li2S =>
BaS + Li2SO4 = BaSO4 + Li2S
Ca(BrO3)2 + H3PO4 = Ca3(PO4)2 + HBrO3 =>
3 Ca(BrO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HBrO3
C6H5CH3 + HNO3 = C6H2(CH3)(NO2)3 + H2O =>
C6H5CH3 + 3 HNO3 = C6H2(CH3)(NO2)3 + 3 H2O
Cl2O7 + HNO3 = Cl2(NO3)14 + H2O =>
Cl2O7 + 14 HNO3 = Cl2(NO3)14 + 7 H2O
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
CH3CH2OH + KOH = CH3CHO + K + H2O =>
CH3CH2OH + 2 KOH = CH3CHO + 2 K + 2 H2O
Zn2 + S + H5 = ZnSH4 =>
5 Zn2 + 10 S + 8 H5 = 10 ZnSH4
Fe(SO4)3 + Ba(OH)2 = Fe(OH)2 + Ba(SO4)3 =>
Fe(SO4)3 + Ba(OH)2 = Fe(OH)2 + Ba(SO4)3
NH4OCl + H2O = NH3OCl + H3O =>
NH4OCl + H2O = NH3OCl + H3O
HOH + HCl = H2 + ClOH =>
HOH + HCl = H2 + ClOH
NH2O2 = NOH2O =>
NH2O2 = NOH2O
CuS + HNO3 = CuSO4 + H2O + NO2 =>
CuS + 8 HNO3 = CuSO4 + 4 H2O + 8 NO2
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