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2 Fe(HSO4)3 + 3 Na2S + 6 H2O = 6 NaHSO4 + 2 Fe(OH)3 + 3 H2S
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KMnO4 + NaOH + KI = KNaMnO4 + KIO3 + H2O =>
6 KMnO4 + 6 NaOH + KI = 6 KNaMnO4 + KIO3 + 3 H2O
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
KI + H2SO4 = I2 + K2SO4 + H2O + H2S =>
8 KI + 5 H2SO4 = 4 I2 + 4 K2SO4 + 4 H2O + H2S
P2S5 + H2SO4 = H3PO4 + SO2 + H2O =>
P2S5 + 15 H2SO4 = 2 H3PO4 + 20 SO2 + 12 H2O
Fe + O2 + H20 = Fe(OH)2 =>
10 Fe + 10 O2 + H20 = 10 Fe(OH)2
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
HBrO3 + HBr = H2O + Br2 =>
HBrO3 + 5 HBr = 3 H2O + 3 Br2
Ti + N2 = Ti3N4 =>
3 Ti + 2 N2 = Ti3N4
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
H + C4 = CH4 =>
16 H + C4 = 4 CH4
Pb + Zn(No3)2 = PbNo3 + Zn =>
2 Pb + Zn(No3)2 = 2 PbNo3 + Zn
Ca + Fe = FeCa =>
Ca + Fe = FeCa
PbN = Pb + N2 =>
2 PbN = 2 Pb + N2
H + C4 = CH4 =>
16 H + C4 = 4 CH4
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Cl2 + H2O = HCl + HClO3 =>
3 Cl2 + 3 H2O = 5 HCl + HClO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ca3 + Fe7 = FeCa =>
7 Ca3 + 3 Fe7 = 21 FeCa
C + H2O = CO + H2 =>
C + H2O = CO + H2
Cu + AgNO3 = Ag + CuNO3 =>
Cu + AgNO3 = Ag + CuNO3
Zn2 + H2SO4 = Zn(SO4)2 + H2 =>
Zn2 + 4 H2SO4 = 2 Zn(SO4)2 + 4 H2
MoO3 + H2 = Mo + H2O =>
MoO3 + 3 H2 = Mo + 3 H2O
NaCl + MgO = NaO + MgCl =>
NaCl + MgO = NaO + MgCl
Ca(OH)2 + Cl2 = CaCl2 + Ca(ClO3)2 + H2O =>
6 Ca(OH)2 + 6 Cl2 = 5 CaCl2 + Ca(ClO3)2 + 6 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Ag + CuCl2 = AgCl2 + Cu =>
Ag + CuCl2 = AgCl2 + Cu
CUO + H2O = CU(OH)2 =>
CUO + H2O = CU(OH)2
NiCl2 + AgNO3 = Ni(NO3)2 + AgCl =>
NiCl2 + 2 AgNO3 = Ni(NO3)2 + 2 AgCl
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
CA(OH)2 + (NH4)2So4 = CASo4 + NH3 + H2O =>
CA(OH)2 + (NH4)2So4 = CASo4 + 2 NH3 + 2 H2O
ZnO + NaOH + H2O = Na2[Zn(OH)4] =>
ZnO + 2 NaOH + H2O = Na2[Zn(OH)4]
NiSO4 + C6H5K3O7 = K(Ni(C6H5O7)) + K2SO4 =>
NiSO4 + C6H5K3O7 = K(Ni(C6H5O7)) + K2SO4
NaI + Br2 = NaBr + I2 =>
2 NaI + Br2 = 2 NaBr + I2
Zn + HCl = H + ZnCl =>
Zn + HCl = H + ZnCl
K3PO4 + CaCl2 = Ca3(PO4)2 + KCl =>
2 K3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 KCl
KMnO4 + C12H22O11 = K2CO3 + MnO2 + CO2 + H20 =>
260 KMnO4 + 30 C12H22O11 = 130 K2CO3 + 260 MnO2 + 230 CO2 + 33 H20
H + O = H2O =>
2 H + O = H2O
MnSO4 + (NH4)2S2O8 + H2O = MnO2 + H2SO4 + (NH4)2SO4 =>
MnSO4 + (NH4)2S2O8 + 2 H2O = MnO2 + 2 H2SO4 + (NH4)2SO4
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + HNO3(aq) =>
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + 2 HNO3(aq)
HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + KC2H3O2(aq) =>
2 HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2 KC2H3O2(aq)
NaOH + Cu = Cu(OH)2 + Na =>
2 NaOH + Cu = Cu(OH)2 + 2 Na
NaSiO3 + HCl = NaCl + HSiO3 =>
NaSiO3 + HCl = NaCl + HSiO3
CoCl2*6H2O + SOCl2 = CoCl2 + SO2 + HCl =>
CoCl2*6H2O + 6 SOCl2 = CoCl2 + 6 SO2 + 12 HCl
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Mg(s) + HCl(aq) = MgCl2 + H2 =>
Mg(s) + 2 HCl(aq) = MgCl2 + H2
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