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Ca + 2 HOH = Ca(OH)2 + 2 H
CuS + I = CuI + S =>
CuS + I = CuI + S
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4(s) + NH3(g) + H2O(aq) =>
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4(s) + 2 NH3(g) + 2 H2O(aq)
Au + HSO3 = Au2(SO3)3 + H2 =>
4 Au + 6 HSO3 = 2 Au2(SO3)3 + 3 H2
P + O2 = P0O5 =>
2 P + 5 O2 = 2 P0O5
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
FeAl + Fe2O3 = Al2O3 + Fe =>
2 FeAl + Fe2O3 = Al2O3 + 4 Fe
Al + NH4ClO3 = AlCl3 + NO + H2O =>
Al + 3 NH4ClO3 = AlCl3 + 3 NO + 6 H2O
Al + P4 = Al4P3 =>
16 Al + 3 P4 = 4 Al4P3
Cu(OH)2 + NaNO2 = Cu(NO2)2 + NaOH =>
Cu(OH)2 + 2 NaNO2 = Cu(NO2)2 + 2 NaOH
Na3PO4 + Pb2NO3 = Na3NO3 + Pb2PO4 =>
Na3PO4 + Pb2NO3 = Na3NO3 + Pb2PO4
CuCl2 + LiOH = CuOH + Cl2Li =>
CuCl2 + LiOH = CuOH + Cl2Li
HCl(g) + O2(g) = H2O + Cl2(g) =>
4 HCl(g) + O2(g) = 2 H2O + 2 Cl2(g)
Cu(NO3)2*3H2O + C6H8O7 = CuO + N2 + CO2 + H2O =>
9 Cu(NO3)2*3H2O + 5 C6H8O7 = 9 CuO + 9 N2 + 30 CO2 + 47 H2O
C4H703 + O2 = H2O + CO2 =>
4 C4H703 + 719 O2 = 1406 H2O + 16 CO2
NH4OH + HCI = NH4CI + H2O =>
NH4OH + HCI = NH4CI + H2O
KMnO4 + KI + HCl = KCl + MnCl + I2 + H2O =>
KMnO4 + 6 KI + 8 HCl = 7 KCl + MnCl + 3 I2 + 4 H2O
K2MnO4 + Al = K2Mn + Al2O3 =>
3 K2MnO4 + 8 Al = 3 K2Mn + 4 Al2O3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ba(No3)2 + Na2Co3 = BaCo3 + Na(No3) =>
Ba(No3)2 + Na2Co3 = BaCo3 + 2 Na(No3)
C6H14 + O2 = C6O + H =>
2 C6H14 + O2 = 2 C6O + 28 H
HNO3 = NO + H2O + O2 =>
4 HNO3 = 4 NO + 2 H2O + 3 O2
CH2CCH2 + O2 = CO2 + H2O =>
CH2CCH2 + 4 O2 = 3 CO2 + 2 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
P + KOH + H2O = KH2PO4 + PH5 =>
2 P + KOH + 3 H2O = KH2PO4 + PH5
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
(NH4)2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + NH4NO3(aq) =>
(NH4)2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + 2 NH4NO3(aq)
Si + CaO = Ca + SiO2 =>
Si + 2 CaO = 2 Ca + SiO2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
HBr + NiS = H2S + NiBr2 =>
2 HBr + NiS = H2S + NiBr2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
N2O3(g) = NO(g) + NO2(g) =>
N2O3(g) = NO(g) + NO2(g)
Zn2 + As2O5 + H2SO4 = AsH3 + ZnSO4 + H2O =>
4 Zn2 + As2O5 + 8 H2SO4 = 2 AsH3 + 8 ZnSO4 + 5 H2O
Fe(NO3)3 + Cu(OH) = Fe(OH) + Cu(NO3)3 =>
Fe(NO3)3 + Cu(OH) = Fe(OH) + Cu(NO3)3
H2O + Cl2 + F2 = HCl + HFO3 =>
6 H2O + 5 Cl2 + F2 = 10 HCl + 2 HFO3
H3C6H5O7 + Ba(OH)2 = BaC6H5O7 + H5O2 =>
H3C6H5O7 + Ba(OH)2 = BaC6H5O7 + H5O2
HNO3 + Ba(OH)2 = (NO3)2Ba + H2O =>
2 HNO3 + Ba(OH)2 = (NO3)2Ba + 2 H2O
NH4HS + H2O = NH4OH + H2S =>
NH4HS + H2O = NH4OH + H2S
O2 = O3 =>
3 O2 = 2 O3
Fe(SCN)3 + Na2SO3 + H2SO4 = Fe2(SO4)3 + (SCN)2 + Na2S + H2O =>
2 Fe(SCN)3 + Na2SO3 + 3 H2SO4 = Fe2(SO4)3 + 3(SCN)2 + Na2S + 3 H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
N2H4 + N2O2 = N2 + H2O =>
N2H4 + N2O2 = 2 N2 + 2 H2O
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
C6H5MgBr + (C6H5)2CO + HCl = C19H16O + Mg(Cl)Br =>
C6H5MgBr + (C6H5)2CO + HCl = C19H16O + Mg(Cl)Br
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
AlCl3 + PO4 = AlPO4 + Cl2 =>
2 AlCl3 + 2 PO4 = 2 AlPO4 + 3 Cl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NaH2O = NaOH + H =>
NaH2O = NaOH + H
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
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