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Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 HOH
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
S2Cl2(l) + NH3(g) = S4N4(s) + S8(s) + NH4Cl(s) =>
6 S2Cl2(l) + 16 NH3(g) = S4N4(s) + S8(s) + 12 NH4Cl(s)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu =>
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na3PO4 + BaCl2 = Ba3(PO4)2 + NaCl =>
2 Na3PO4 + 3 BaCl2 = Ba3(PO4)2 + 6 NaCl
Zn + C6H8O7 = Zn3(C6H6O7)2 + H2 =>
3 Zn + 2 C6H8O7 = Zn3(C6H6O7)2 + 2 H2
MgCO3 + H2CO3 = Mg(HCO3)2 =>
MgCO3 + H2CO3 = Mg(HCO3)2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Ca2(CO3)2 + HCl = CaCl2 + CO2 + H2O =>
Ca2(CO3)2 + 4 HCl = 2 CaCl2 + 2 CO2 + 2 H2O
Cr2O7{2-} + Fe{2+} + H{+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{2-} + 6 Fe{2+} + 14 H{+} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
2 HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Bi + Fe + S + Se = Bi188Fe12Se288S12 =>
188 Bi + 12 Fe + 12 S + 288 Se = Bi188Fe12Se288S12
CS2 + F2 = CF4 + S =>
CS2 + 2 F2 = CF4 + 2 S
Cr2O7{2-} + Fe{2+} + H{+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{2-} + 6 Fe{2+} + 14 H{+} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
ZnS + O2 = ZnO + S =>
2 ZnS + O2 = 2 ZnO + 2 S
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Al + HBr = AlBr3 + H2 =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cr2O7{2-} + Fe{2+} + H3O{+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{2-} + 6 Fe{2+} + 14 H3O{+} = 2 Cr{3+} + 6 Fe{3+} + 21 H2O
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
KMnO4 + CH3OH = MnO2 + H2O + HCOOH + KOH =>
4 KMnO4 + 3 CH3OH = 4 MnO2 + H2O + 3 HCOOH + 4 KOH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
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