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10 Cu2S + 80 HNO3 = 20 Cu(NO3)2 + 10 H2SO4 + 40 NO2 + 3 H20
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CuSo4 + Fe = Cu + Fe2(So4)3 =>
3 CuSo4 + 2 Fe = 3 Cu + Fe2(So4)3
Pb(NO3)2 + NH4Cl = NH4NO3 + PbCl2 =>
Pb(NO3)2 + 2 NH4Cl = 2 NH4NO3 + PbCl2
H + Cl = HCl =>
H + Cl = HCl
MgOH + HNO3 = MgNO3 + H2O =>
MgOH + HNO3 = MgNO3 + H2O
Cu(NO3)2 + NH4OH = Cu(OH)2 + NH4NO3 =>
Cu(NO3)2 + 2 NH4OH = Cu(OH)2 + 2 NH4NO3
NH3 + H2CO3 = (NH4)2CO3 =>
2 NH3 + H2CO3 = (NH4)2CO3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
MG + O2 = MGO2 =>
MG + O2 = MGO2
CACO3 + HCl = CACl2 + H2CO3 =>
CACO3 + 2 HCl = CACl2 + H2CO3
Hg + Cl2 = HgCl =>
2 Hg + Cl2 = 2 HgCl
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
HNCO = C3N3(NH2)3 + CO2 =>
6 HNCO = C3N3(NH2)3 + 3 CO2
F2 + NaBrO3 + NaOH = NaBrO4 + NaF + H2O =>
F2 + NaBrO3 + 2 NaOH = NaBrO4 + 2 NaF + H2O
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
HCl + NAOH = NACl + H2O =>
HCl + NAOH = NACl + H2O
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
Mg + HNO3 = N2 + Mg(NO3)2 + H2O =>
5 Mg + 12 HNO3 = N2 + 5 Mg(NO3)2 + 6 H2O
HCl + NAOH = NACl + H2O =>
HCl + NAOH = NACl + H2O
P + HNO3 = H2O + H3PO4 + NO2 =>
P + 5 HNO3 = H2O + H3PO4 + 5 NO2
Na3AgO3 + Y2 + H2O = Na3AgO4 + HY =>
Na3AgO3 + Y2 + H2O = Na3AgO4 + 2 HY
CaOH + H2SO4 = Ca2SO4 + H2O =>
2 CaOH + H2SO4 = Ca2SO4 + 2 H2O
Be(OH)2 + KOH = K2BeO2 + H2O =>
Be(OH)2 + 2 KOH = K2BeO2 + 2 H2O
MG + O2 = MGO =>
2 MG + O2 = 2 MGO
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Ca(Br2) = Ca + Br =>
Ca(Br2) = Ca + 2 Br
C2H4 + KMnO4 + H20 = C2H4(OH)2 + MnO2 + KOH =>
5 C2H4 + 10 KMnO4 + H20 = 5 C2H4(OH)2 + 10 MnO2 + 10 KOH
F2 + NaBrO3 + NaOH = NaBrO4 + NaF + H2O =>
F2 + NaBrO3 + 2 NaOH = NaBrO4 + 2 NaF + H2O
H2[SnCl6] + H2O = SnO2 + HCl =>
H2[SnCl6] + 2 H2O = SnO2 + 6 HCl
CH3CH2OH + HCOOH = HCO2CH2CH3 + H2O =>
CH3CH2OH + HCOOH = HCO2CH2CH3 + H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Na + H2SO4 = NaSO4 + H2S + H2O =>
4 Na + 5 H2SO4 = 4 NaSO4 + H2S + 4 H2O
NAOH + CO = HCOONA =>
NAOH + CO = HCOONA
C + O2 = CO2 =>
C + O2 = CO2
CuO + H2 = H2O + Cu =>
CuO + H2 = H2O + Cu
C4H10 + O2 = CO2 + H20 =>
2 C4H10 + 8 O2 = 8 CO2 + H20
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeS2 + HNO3 = Fe2(SO4)3 + H2SO4 + NO + H2O =>
2 FeS2 + 10 HNO3 = Fe2(SO4)3 + H2SO4 + 10 NO + 4 H2O
Al + N = AlN =>
Al + N = AlN
KMNO4 + Na2SO3 + H2SO4 = K2SO4 + MNSO4 + Na2SO4 + H2O =>
2 KMNO4 + 5 Na2SO3 + 3 H2SO4 = K2SO4 + 2 MNSO4 + 5 Na2SO4 + 3 H2O
HCl + Ca = H2 + CaCl2 =>
2 HCl + Ca = H2 + CaCl2
KMnO4 + C2H2O4 + H2SO4 = CO2 + H2O + MnSO4 + K2SO4 =>
2 KMnO4 + 5 C2H2O4 + 3 H2SO4 = 10 CO2 + 8 H2O + 2 MnSO4 + K2SO4
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
PbO + C = CO2 + Pb =>
2 PbO + C = CO2 + 2 Pb
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
MgOH + H2SO4 = Mg2SO4 + H2O =>
2 MgOH + H2SO4 = Mg2SO4 + 2 H2O
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