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Pb(OH)2 + 2 Hg2S = PbS2 + 2 Hg2OH
KMnO4KOH = K2MnO4 + O2 + H2O =>
4 KMnO4KOH = 4 K2MnO4 + O2 + 2 H2O
H2SO4(aq) + CaCl2(aq) = CaSO4 + HCl =>
H2SO4(aq) + CaCl2(aq) = CaSO4 + 2 HCl
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Ca + AgO3 = CaO3 + Ag =>
Ca + AgO3 = CaO3 + Ag
FeCl3 + H2O = FeOHCl2 + HCl =>
FeCl3 + H2O = FeOHCl2 + HCl
Sr(NO3)2 + AgO = SrO + Ag(NO3)2 =>
Sr(NO3)2 + AgO = SrO + Ag(NO3)2
Al2S3 + H2O + O2 = Al(OH)3 + S =>
2 Al2S3 + 6 H2O + 3 O2 = 4 Al(OH)3 + 6 S
K(s) + H2O = KOH + H2(g) =>
2 K(s) + 2 H2O = 2 KOH + H2(g)
Na(OH) + Sn(NO3)2 = Na(NO3) + Sn(OH)2 =>
2 Na(OH) + Sn(NO3)2 = 2 Na(NO3) + Sn(OH)2
Al3C4 + H2O = Al(OH)3 + C2 + H2 =>
2 Al3C4 + 18 H2O = 6 Al(OH)3 + 4 C2 + 9 H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
AgNO3 + Ba3(PO4)2 = Ag3PO4 + Ba(NO3)2 =>
6 AgNO3 + Ba3(PO4)2 = 2 Ag3PO4 + 3 Ba(NO3)2
HCN = H2 + CN =>
2 HCN = H2 + 2 CN
CO + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 CO + 2 KMnO4 + 3 H2SO4 = 5 CO2 + 2 MnSO4 + K2SO4 + 3 H2O
Ag + CuSO4 = Ag2SO4 + Cu =>
2 Ag + CuSO4 = Ag2SO4 + Cu
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
Ca(NO3)2 + Zn = Ca + Zn(NO3)2 =>
Ca(NO3)2 + Zn = Ca + Zn(NO3)2
CaCl2(aq) + Na2CO3 = NaCl(aq) + CaCO3 =>
CaCl2(aq) + Na2CO3 = 2 NaCl(aq) + CaCO3
FeCl3*6H2O = Fe2O3 + HCl + H2O =>
2 FeCl3*6H2O = Fe2O3 + 6 HCl + 9 H2O
Cu4O2 = Cu + O2 =>
Cu4O2 = 4 Cu + O2
Al(C2H3O2)3 + SnCl4 = AlCl3 + Sn(C2H3O2)4 =>
4 Al(C2H3O2)3 + 3 SnCl4 = 4 AlCl3 + 3 Sn(C2H3O2)4
Eu2O3 + MgO + SiO2 + Si = Eu2MgSi2O7 =>
2 Eu2O3 + 2 MgO + 3 SiO2 + Si = 2 Eu2MgSi2O7
Pb(NO3)2(aq) + KBr(aq) = KNO3(aq) + PbBr2(s) =>
Pb(NO3)2(aq) + 2 KBr(aq) = 2 KNO3(aq) + PbBr2(s)
KOH + Na2S = NaOH + K2S =>
2 KOH + Na2S = 2 NaOH + K2S
Hg2Cl2 + SnCl2 + HCl = Hg + H2SnCl6 =>
Hg2Cl2 + SnCl2 + 2 HCl = 2 Hg + H2SnCl6
AgNO3 + CH3CSNH2 = AgCSNH2 + CH3NO3 =>
AgNO3 + CH3CSNH2 = AgCSNH2 + CH3NO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C5H9O2(g) + O2 = CO2(g) + H2O(l) =>
4 C5H9O2(g) + 25 O2 = 20 CO2(g) + 18 H2O(l)
TlBr3 + NaBr = NaTlBr4 =>
TlBr3 + NaBr = NaTlBr4
NaHCO3(s) + HCl = NaCl + H2CO3 =>
NaHCO3(s) + HCl = NaCl + H2CO3
No{3} + H = No{2} + H{2}O =>
2 No{3} + H = 2 No{2} + H{2}O
H3PO4 + CaCO3 = Ca3(PO4)2 + (H2CO3)2 =>
4 H3PO4 + 6 CaCO3 = 2 Ca3(PO4)2 + 3(H2CO3)2
Fe(S) + Co(ClO3)2(aq) = Fe(ClO3)2(aq) + Co(S) =>
Fe(S) + Co(ClO3)2(aq) = Fe(ClO3)2(aq) + Co(S)
KMnO4 + H2SO4 + C2H6O = C2H4O2 + K2SO4 + H2O + MnSO4 =>
4 KMnO4 + 6 H2SO4 + 5 C2H6O = 5 C2H4O2 + 2 K2SO4 + 11 H2O + 4 MnSO4
K3CO3 + C = K3C2O3 =>
K3CO3 + C = K3C2O3
Fe(s) + Cd(NO3)(aq) = Fe(NO3)3(aq) + Cd(s) =>
Fe(s) + 3 Cd(NO3)(aq) = Fe(NO3)3(aq) + 3 Cd(s)
S + C2 = SC3 =>
2 S + 3 C2 = 2 SC3
H{+} + (Cr2O7)2{-} + C2H6O = Cr3{+} + C2H4O + H2O =>
14 H{+} + 6(Cr2O7)2{-} + 77 C2H6O = 8 Cr3{+} + 77 C2H4O + 84 H2O
NaAl(OH)4 = NaOH + Al(OH)3 =>
NaAl(OH)4 = NaOH + Al(OH)3
C15H25 + O2 = CO2 + H2O =>
4 C15H25 + 85 O2 = 60 CO2 + 50 H2O
COCl2 + Ca = CaCl2 + CO =>
COCl2 + Ca = CaCl2 + CO
Sodiumcarbonate + bariumnitrate = bariumcarbonate + sodiumnitrate =>
Na2CO3 + Ba(NO3)2 = BaCO3 + 2 NaNO3
Mg + HNO3 = MgNO3 + NO + H2O =>
3 Mg + 4 HNO3 = 3 MgNO3 + NO + 2 H2O
CH40 + O2 = H2O + CO2 =>
CH40 + 11 O2 = 20 H2O + CO2
CI + Si = SiCI =>
CI + Si = SiCI
MnO4{-} + NH3 = MnO2 + OH{-} + H2O + N2 =>
2 MnO4{-} + 2 NH3 = 2 MnO2 + 2 OH{-} + 2 H2O + N2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
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