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Pb + 2 H2SO4 = PbSO4 + SO2 + 2 H2O
[Cu(NH3)2](OH) + O2 + H2O + NH3 = [Cu(NH3)4](OH)2 =>
4[Cu(NH3)2](OH) + O2 + 2 H2O + 8 NH3 = 4[Cu(NH3)4](OH)2
B2O3 = B + O2 =>
2 B2O3 = 4 B + 3 O2
Pb + H2SO4 = PbSO4 + SO2 + H2O =>
Pb + 2 H2SO4 = PbSO4 + SO2 + 2 H2O
K2Cl2 = KCl =>
K2Cl2 = 2 KCl
Al2 + H2SO4 = Al2(SO4)3 + H =>
Al2 + 3 H2SO4 = Al2(SO4)3 + 6 H
C1CH24 + O2 = CO2 + H2O =>
C1CH24 + 8 O2 = 2 CO2 + 12 H2O
Cr + PO4 = Cr3(PO4)2 =>
3 Cr + 2 PO4 = Cr3(PO4)2
PbS + HNO3 = Pb(NO3)2 + N2O + S + H2O =>
4 PbS + 10 HNO3 = 4 Pb(NO3)2 + N2O + 4 S + 5 H2O
C8H6 + O2 = CO2 + H2O =>
2 C8H6 + 19 O2 = 16 CO2 + 6 H2O
C12H12O11 + H2O = C2H5OH + CO2 =>
6 C12H12O11 + 21 H2O = 19 C2H5OH + 34 CO2
MgO + H = Mg + H2O =>
MgO + 2 H = Mg + H2O
HC2H3O2 + NaOH = H(OH) + Na(C2H3O2) =>
HC2H3O2 + NaOH = H(OH) + Na(C2H3O2)
C14H30 = C6H14 + C2H4 =>
C14H30 = C6H14 + 4 C2H4
H2C4H4O6 + CaCO3 = CaC4H4O6 + H2O + CO2 =>
H2C4H4O6 + CaCO3 = CaC4H4O6 + H2O + CO2
HCOOC2H5KOH = HCOOKC2H5OH =>
HCOOC2H5KOH = HCOOKC2H5OH
KOHH2O = KOH3O =>
KOHH2O = KOH3O
Ru + S = RuS2 =>
Ru + 2 S = RuS2
C6H6(s) + O2(g) = CO2(g) + H2O(aq) =>
2 C6H6(s) + 15 O2(g) = 12 CO2(g) + 6 H2O(aq)
YOYOYOYOYOYOYOYOYOYOYOYO = YOYOYOYOYOYOYOYOYO =>
3 YOYOYOYOYOYOYOYOYOYOYOYO = 4 YOYOYOYOYOYOYOYOYO
H2C2O4 + KMnO4 = CO2 + K2O + MnO2 + H2O =>
3 H2C2O4 + 2 KMnO4 = 6 CO2 + K2O + 2 MnO2 + 3 H2O
MnO4{-} + SO3{-2} + H{+} = MnO2 + SO4{-2} + H2O =>
2 MnO4{-} + 3 SO3{-2} + 2 H{+} = 2 MnO2 + 3 SO4{-2} + H2O
Mg + HBr = MgBr + MgH =>
2 Mg + HBr = MgBr + MgH
BaCl2(H2O)(s) = BaCl2(s)H2O(l) =>
BaCl2(H2O)(s) = BaCl2(s)H2O(l)
HClO2 = H2O + Cl2O3 =>
2 HClO2 = H2O + Cl2O3
NaHCO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g)(aq) = C2H5OH(aq) + CO2(g) =>
NaHCO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g)(aq)
Al(H2O) + H2O = Al(H2O)OH + H3O =>
Al(H2O) + 2 H2O = Al(H2O)OH + H3O
Cn + O2 = CnO =>
2 Cn + O2 = 2 CnO
Na2CO3 + H2SO4 = Na2SO4 + H2(CO3) =>
Na2CO3 + H2SO4 = Na2SO4 + H2(CO3)
Al + HNO3 = Al(NO3) + N2 + H2O =>
10 Al + 12 HNO3 = 10 Al(NO3) + N2 + 6 H2O
Cr + H2SO3 = Cr2SO3 + H2 =>
2 Cr + H2SO3 = Cr2SO3 + H2
K2SO4 + MgCl2 = MgSO4 + KCl =>
K2SO4 + MgCl2 = MgSO4 + 2 KCl
Fe(OH) + HCl = Fe + HClO*H2O =>
2 Fe(OH) + HCl = 2 Fe + HClO*H2O
NaAt + Cl = NaCl + At =>
NaAt + Cl = NaCl + At
H2SO4(g) + CaCO3(s) = CaSO4(g) + H2O(l) + CO2(l) =>
H2SO4(g) + CaCO3(s) = CaSO4(g) + H2O(l) + CO2(l)
NaHSO3 + O2 = Na2SO4 + SO2 + H2O =>
4 NaHSO3 + O2 = 2 Na2SO4 + 2 SO2 + 2 H2O
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
K2S + HCl = K2Cl + HS =>
K2S + HCl = K2Cl + HS
AuCO3 = AuO + CO2 =>
AuCO3 = AuO + CO2
PbO2 + HF = H2O2 + PbF2 =>
PbO2 + 2 HF = H2O2 + PbF2
Cr + NH3 = Cr(NH3)6 =>
Cr + 6 NH3 = Cr(NH3)6
C = C60 =>
60 C = C60
Mn + S = MnS2 =>
Mn + 2 S = MnS2
Na + Fe2(CrO4)3 = Fe + Na2CrO4 =>
6 Na + Fe2(CrO4)3 = 2 Fe + 3 Na2CrO4
P2O5 + C = P4 + CO =>
2 P2O5 + 10 C = P4 + 10 CO
Na2C2O4 + KMnO4 + H2O = MnO2 + Na2CO3 + K2CO3 + H2CO3 =>
3 Na2C2O4 + 2 KMnO4 + 2 H2O = 2 MnO2 + 3 Na2CO3 + K2CO3 + 2 H2CO3
(NH4)2Cr2O7 = Cr2O3 + N2(g) + H2O(l) =>
(NH4)2Cr2O7 = Cr2O3 + N2(g) + 4 H2O(l)
C2H2 + Br = HBr + C =>
C2H2 + 2 Br = 2 HBr + 2 C
PH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H3PO4 + H2O =>
5 PH3 + 8 KMnO4 + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 5 H3PO4 + 12 H2O
NH4F(aq) + MgCl(aq) = MgF(s) + NH4Cl(aq) =>
NH4F(aq) + MgCl(aq) = MgF(s) + NH4Cl(aq)
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