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CaCO3 + 2 NaCl = Na2CO3 + CaCl2
P8 + O2 = P2O5 =>
P8 + 10 O2 = 4 P2O5
NaCl + Pb = Na + PbCl =>
NaCl + Pb = Na + PbCl
Fe(s) + O(g) = Fe2O3(s) =>
2 Fe(s) + 3 O(g) = Fe2O3(s)
H2SO4 + CU = CUO + SO2 + H2O =>
H2SO4 + CU = CUO + SO2 + H2O
V2O5 + Zn = VO + ZnO =>
V2O5 + 3 Zn = 2 VO + 3 ZnO
Na2 + Mg2 = Na2Mg =>
2 Na2 + Mg2 = 2 Na2Mg
ZnSO4 + Fe = Fe2(SO4)3 + Zn =>
3 ZnSO4 + 2 Fe = Fe2(SO4)3 + 3 Zn
KS + NaOH = NaS + KOH =>
KS + NaOH = NaS + KOH
Fe + IO3 = FeIO3 =>
Fe + IO3 = FeIO3
HNO3 + HI = HIO3 + NO2 + H2O =>
6 HNO3 + HI = HIO3 + 6 NO2 + 3 H2O
Zn + NH3 = ZnN + H2 =>
2 Zn + 2 NH3 = 2 ZnN + 3 H2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
KBrNaOH = NaBrKOH =>
KBrNaOH = NaBrKOH
O3 + KI = K3O + I2 =>
2 O3 + 18 KI = 6 K3O + 9 I2
AgC2H3O2(aq) + NiCl2(aq) = AgCl(s) + Ni(C2H3O2)2(aq) =>
2 AgC2H3O2(aq) + NiCl2(aq) = 2 AgCl(s) + Ni(C2H3O2)2(aq)
C2H2 + Br = HBr + C =>
C2H2 + 2 Br = 2 HBr + 2 C
CoCl2*6H2O + (NH4)Cl + NH4OH + H2O2 = [Co(NH3)6]Cl3 + H2O =>
2 CoCl2*6H2O + 2(NH4)Cl + 10 NH4OH + H2O2 = 2[Co(NH3)6]Cl3 + 24 H2O
FeSO4 + Na2CO3 = FeCO3 + Na2SO4 =>
FeSO4 + Na2CO3 = FeCO3 + Na2SO4
Mo + HCl = MoCl + H2 =>
2 Mo + 2 HCl = 2 MoCl + H2
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
I2 + CHCl3 = I2(CHCl3) =>
I2 + CHCl3 = I2(CHCl3)
[Cu(H2O)6]{2+} + SO4{2-} + KI = CuI + I2 + K2SO4 + H2O =>
2[Cu(H2O)6]{2+} + 2 SO4{2-} + 4 KI = 2 CuI + I2 + 2 K2SO4 + 12 H2O
Cs + O2 = Cs2O =>
4 Cs + O2 = 2 Cs2O
FeS + Cl2 = FeCl3 + SCl4 =>
2 FeS + 7 Cl2 = 2 FeCl3 + 2 SCl4
(HCOO)2Cu + NaOH = (HCOO)2OH + NaCu =>
(HCOO)2Cu + NaOH = (HCOO)2OH + NaCu
Na3[Ag(S2O3)2] + H2SO4 = Ag2S + SO2 + Na2SO4 + H2O =>
2 Na3[Ag(S2O3)2] + 8 H2SO4 = Ag2S + 12 SO2 + 3 Na2SO4 + 8 H2O
P + F2 = PF5 =>
2 P + 5 F2 = 2 PF5
NH4OH + O2 = NO + H2O =>
4 NH4OH + 5 O2 = 4 NO + 10 H2O
K4Fe(CN)6 + Fe(OH)3 = Fe4[Fe(CN)6]3 + KOH =>
3 K4Fe(CN)6 + 4 Fe(OH)3 = Fe4[Fe(CN)6]3 + 12 KOH
Ca + NiCl2 = CaCl2 + Ni =>
Ca + NiCl2 = CaCl2 + Ni
PbCl4 = PbCl2 + Cl2(g) =>
PbCl4 = PbCl2 + Cl2(g)
HOCH2CH2O + O2 = H2O + CO2 =>
4 HOCH2CH2O + 9 O2 = 10 H2O + 8 CO2
Pb(NO3)2 = PbO + NO + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO + 3 O2
Na2OH2SO4 = Na2SO4H2O =>
Na2OH2SO4 = Na2SO4H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
HIO3 + Fe(OH)3 = Fe(IO3)3 + H2O =>
3 HIO3 + Fe(OH)3 = Fe(IO3)3 + 3 H2O
Ag(s) + F2(g) = AgF(s) =>
2 Ag(s) + F2(g) = 2 AgF(s)
Au(NO3) = Au + NO3 =>
Au(NO3) = Au + NO3
C6H6(l) + HNO3(aq) = C6H5NO2(l) + H2O(l) =>
C6H6(l) + HNO3(aq) = C6H5NO2(l) + H2O(l)
C + HO = CO + H =>
C + HO = CO + H
Cu + Au = Cu3Au =>
3 Cu + Au = Cu3Au
FeCuS = FeSCu =>
FeCuS = FeSCu
CdCl2 + KOH = Cd(OH)2 + KCl =>
CdCl2 + 2 KOH = Cd(OH)2 + 2 KCl
(Na)2(OH)2 + MgSO4 = Mg(OH)2 + Na2SO4 =>
(Na)2(OH)2 + MgSO4 = Mg(OH)2 + Na2SO4
Mg(s) + Cl(g) = MgCl3(s) =>
Mg(s) + 3 Cl(g) = MgCl3(s)
Ge + H2 = GeH2 =>
Ge + H2 = GeH2
NH4NO3 + C = CO + H2O + N2 =>
NH4NO3 + C = CO + 2 H2O + N2
NaClO4 + NH4Cl = N2 + HCl + NaCl + H2O =>
3 NaClO4 + 8 NH4Cl = 4 N2 + 8 HCl + 3 NaCl + 12 H2O
NaNO3 + Pb = NaNO2 + PbO2 =>
2 NaNO3 + Pb = 2 NaNO2 + PbO2
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