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Cu + S = CuS
H3N + F3Cl = N2 + Cl2 + FH =>
2 H3N + 2 F3Cl = N2 + Cl2 + 6 FH
H2SO4(aq) + H3AsO4(aq) + Zn(s) = AsH3(g) + ZnSO4(aq) + H2O(l) =>
4 H2SO4(aq) + H3AsO4(aq) + 4 Zn(s) = AsH3(g) + 4 ZnSO4(aq) + 4 H2O(l)
CoSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = CoAs(s) + ZnSO4(aq) + Zn[OH]2(s) =>
2 CoSO4(aq) + 2 H3AsO4(aq) + 7 Zn(s) + 2 H2O(l) = 2 CoAs(s) + 2 ZnSO4(aq) + 5 Zn[OH]2(s)
CuSO4(aq) + Zn(s) = ZnSO4(aq) + Cu(s) =>
CuSO4(aq) + Zn(s) = ZnSO4(aq) + Cu(s)
CuSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = Cu3As(s) + Zn[OH]2(s) + ZnSO4(aq) =>
6 CuSO4(aq) + 2 H3AsO4(aq) + 11 Zn(s) + 2 H2O(l) = 2 Cu3As(s) + 5 Zn[OH]2(s) + 6 ZnSO4(aq)
H2SO4(aq) + H3AsO4(aq) + Zn(s) = AsH3(g) + ZnSO4(aq) + H2O(l) =>
4 H2SO4(aq) + H3AsO4(aq) + 4 Zn(s) = AsH3(g) + 4 ZnSO4(aq) + 4 H2O(l)
CuSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = Cu3As(s) + Zn[OH]2(s) + ZnSO4(aq) =>
6 CuSO4(aq) + 2 H3AsO4(aq) + 11 Zn(s) + 2 H2O(l) = 2 Cu3As(s) + 5 Zn[OH]2(s) + 6 ZnSO4(aq)
CoSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = CoAs(s) + ZnSO4(aq) + Zn[OH]2(s) =>
2 CoSO4(aq) + 2 H3AsO4(aq) + 7 Zn(s) + 2 H2O(l) = 2 CoAs(s) + 2 ZnSO4(aq) + 5 Zn[OH]2(s)
H2SO4(aq) + H3AsO4(aq) + Zn(s) = AsH3(g) + ZnSO4(aq) + H2O(l) =>
4 H2SO4(aq) + H3AsO4(aq) + 4 Zn(s) = AsH3(g) + 4 ZnSO4(aq) + 4 H2O(l)
CuSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = Cu3As(s) + Zn[OH]2(s) + ZnSO4(aq) =>
6 CuSO4(aq) + 2 H3AsO4(aq) + 11 Zn(s) + 2 H2O(l) = 2 Cu3As(s) + 5 Zn[OH]2(s) + 6 ZnSO4(aq)
CoSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = CoAs(s) + ZnSO4(aq) + Zn[OH]2(s) =>
2 CoSO4(aq) + 2 H3AsO4(aq) + 7 Zn(s) + 2 H2O(l) = 2 CoAs(s) + 2 ZnSO4(aq) + 5 Zn[OH]2(s)
H2SO4(aq) + H3AsO4(aq) + Zn(s) = AsH3(g) + ZnSO4(aq) + H2O(l) =>
4 H2SO4(aq) + H3AsO4(aq) + 4 Zn(s) = AsH3(g) + 4 ZnSO4(aq) + 4 H2O(l)
CuSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = Cu3As(s) + Zn[OH]2(s) + ZnSO4(aq) =>
6 CuSO4(aq) + 2 H3AsO4(aq) + 11 Zn(s) + 2 H2O(l) = 2 Cu3As(s) + 5 Zn[OH]2(s) + 6 ZnSO4(aq)
CoSO4(aq) + H3AsO4(aq) + Zn(s) + H2O(l) = CoAs(s) + ZnSO4(aq) + Zn[OH]2(s) =>
2 CoSO4(aq) + 2 H3AsO4(aq) + 7 Zn(s) + 2 H2O(l) = 2 CoAs(s) + 2 ZnSO4(aq) + 5 Zn[OH]2(s)
Ca + Ca{2+} = CaCa{2+} =>
Ca + Ca{2+} = CaCa{2+}
CaCO3 + NaOH = CaOH + NaCO3 =>
CaCO3 + NaOH = CaOH + NaCO3
Cu(s) + H2SO4 = CuSO4(aq) + H20(l) =>
10 Cu(s) + 10 H2SO4 = 10 CuSO4(aq) + H20(l)
Cu(s) + H2SO4(aq) = CuSO4(aq) + SO2(g) + H2O(l) =>
Cu(s) + 2 H2SO4(aq) = CuSO4(aq) + SO2(g) + 2 H2O(l)
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CaCO3 + NaOH = CaOH + NaCO3 =>
CaCO3 + NaOH = CaOH + NaCO3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CaCO3 + NaOH = CaOH + NaCO3 =>
CaCO3 + NaOH = CaOH + NaCO3
Ca + HCI = CaCI + H2 =>
2 Ca + 2 HCI = 2 CaCI + H2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
C10H16 + CL2 = C + HCL =>
C10H16 + 8 CL2 = 2 C + 16 HCL
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
KCLO3 = KCL + O2 =>
2 KCLO3 = 2 KCL + 3 O2
KCLO3 = KCLO4 + KCL =>
4 KCLO3 = 3 KCLO4 + KCL
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
NaCl + CuSO4 = NaSO4 + CuCl =>
NaCl + CuSO4 = NaSO4 + CuCl
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
NaOH + CuSO4 = NaSO4 + CuOH =>
NaOH + CuSO4 = NaSO4 + CuOH
PbNO3 + NaOH = PbOH + NaNO3 =>
PbNO3 + NaOH = PbOH + NaNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaCl + CuSO4 = NaSO4 + CuCl =>
NaCl + CuSO4 = NaSO4 + CuCl
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