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2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
CH2Cl2 + Na2SO4 = CH2SO4 + NaCl =>
CH2Cl2 + Na2SO4 = CH2SO4 + 2 NaCl
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
NaOH + CaCl2 = NaCl + Ca(OH)2 =>
2 NaOH + CaCl2 = 2 NaCl + Ca(OH)2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
NaOH + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
NaOH + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
FeS + HBr = FeBr + HS =>
FeS + HBr = FeBr + HS
Ag + CuSO4 = Ag2SO4 + Cu =>
2 Ag + CuSO4 = Ag2SO4 + Cu
Cu + NaOH = CuOH + Na =>
Cu + NaOH = CuOH + Na
CrO3 + KCl + H2SO4 = Cr2(SO4)3 + Cl + K2SO4 + H2O =>
2 CrO3 + 6 KCl + 6 H2SO4 = Cr2(SO4)3 + 6 Cl + 3 K2SO4 + 6 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CrO3 + KCl + H2SO4 = Cr2(SO4)3 + Cl + K2SO4 + H2O =>
2 CrO3 + 6 KCl + 6 H2SO4 = Cr2(SO4)3 + 6 Cl + 3 K2SO4 + 6 H2O
Cu + NaOH = CuOH + Na =>
Cu + NaOH = CuOH + Na
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Mg(s) + CuSO4(aq) = Cu + MgSO4 =>
Mg(s) + CuSO4(aq) = Cu + MgSO4
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
Hg + S = HgS =>
Hg + S = HgS
H2O + Ci2 = HCi + HOCi =>
H2O + Ci2 = HCi + HOCi
Ag{+} + Al = Ag + Al{+3} =>
3 Ag{+} + Al = 3 Ag + Al{+3}
Cl + HOH = ClOH + H =>
Cl + HOH = ClOH + H
Cu(C2H3O2)2(s) + H2S(g) = CuS(s) + HCH3COO(aq) =>
Cu(C2H3O2)2(s) + H2S(g) = CuS(s) + 2 HCH3COO(aq)
Hg + S2 = HgS =>
2 Hg + S2 = 2 HgS
H2S + LiOH = Li2S + H2O =>
H2S + 2 LiOH = Li2S + 2 H2O
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
Fe + N2 = Fe3N2 =>
3 Fe + N2 = Fe3N2
Al + CUSO4 = Al2(SO4)3 + CU =>
2 Al + 3 CUSO4 = Al2(SO4)3 + 3 CU
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cr{3+} + IO3{-} + H2O = I2 + HCrO4{-} + H{+} =>
10 Cr{3+} + 6 IO3{-} + 22 H2O = 3 I2 + 10 HCrO4{-} + 34 H{+}
NaOH + SrCl2 = NaCl + Sr(OH)2 =>
2 NaOH + SrCl2 = 2 NaCl + Sr(OH)2
PCl3 + Cl3 = PCl5 =>
3 PCl3 + 2 Cl3 = 3 PCl5
Cu(C2H3O2)2(s) + H2S(g) = CuS(s) + CH3COOH =>
Cu(C2H3O2)2(s) + H2S(g) = CuS(s) + 2 CH3COOH
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
NH3 + KMNO4 + H2SO4 = N2 + MNSO4 + K2SO4 + H2O =>
10 NH3 + 6 KMNO4 + 9 H2SO4 = 5 N2 + 6 MNSO4 + 3 K2SO4 + 24 H2O
Zn + HBr = ZnBr2 + H =>
Zn + 2 HBr = ZnBr2 + 2 H
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
NaOH + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
NaOH + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
PbSO4 + NaCi = Na2SO4 + Na2PbCi4 =>
PbSO4 + 4 NaCi = Na2SO4 + Na2PbCi4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH3CH2CHO + Cu{2+} + OH{-} = CH3CH2COOH + Cu2O + H2O =>
CH3CH2CHO + 2 Cu{2+} + 4 OH{-} = CH3CH2COOH + Cu2O + 2 H2O
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
AL + I2 = ALI3 =>
2 AL + 3 I2 = 2 ALI3
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