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2 Cu + S = Cu2S
H3(PO4) + NaOH = Na3(PO4) + H2O =>
H3(PO4) + 3 NaOH = Na3(PO4) + 3 H2O
C3H5 + O2 = CO2 + H2O =>
4 C3H5 + 17 O2 = 12 CO2 + 10 H2O
C2H4 + O2 = CO2 + H20 =>
5 C2H4 + 10 O2 = 10 CO2 + H20
Mn(NO3)2(aq) + NaOH(aq) = Mn(OH)2 + NaNO3 =>
Mn(NO3)2(aq) + 2 NaOH(aq) = Mn(OH)2 + 2 NaNO3
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HBrO + NaOH = H2O + NaBrO =>
HBrO + NaOH = H2O + NaBrO
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
NaSO3 + H2SO4 = NaSO4 + SO2 + H2O =>
NaSO3 + H2SO4 = NaSO4 + SO2 + H2O
C3H2 + O2 = CO2 + H2O =>
2 C3H2 + 7 O2 = 6 CO2 + 2 H2O
C3H8 + MnO4{-} + H{+} = CO2 + Mn{2+} + H2O =>
C3H8 + 4 MnO4{-} + 12 H{+} = 3 CO2 + 4 Mn{2+} + 10 H2O
C7H16 + O2 = CO + H20 =>
10 C7H16 + 35 O2 = 70 CO + 8 H20
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
C2H6O + Cr2O7{-2} + H{+} = C2H4O + Cr{+3} + H2O =>
3 C2H6O + Cr2O7{-2} + 8 H{+} = 3 C2H4O + 2 Cr{+3} + 7 H2O
C2H4 + MnO4{-} + H{+} = CO2 + Mn{2+} + H2O =>
5 C2H4 + 12 MnO4{-} + 36 H{+} = 10 CO2 + 12 Mn{2+} + 28 H2O
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
Cu2S + HNO3 = S + NO + CuNO3 + H2O =>
3 Cu2S + 8 HNO3 = 3 S + 2 NO + 6 CuNO3 + 4 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
CO + MnO4{-} + H{+} = CO2 + Mn{2+} + H2O =>
5 CO + 2 MnO4{-} + 6 H{+} = 5 CO2 + 2 Mn{2+} + 3 H2O
Fe3 + Cl9 = FeCl8 =>
3 Fe3 + 8 Cl9 = 9 FeCl8
C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe + Cl9 = FeCl8 =>
9 Fe + 8 Cl9 = 9 FeCl8
ZnO + HNO3 = ZnNO3 + OH =>
ZnO + HNO3 = ZnNO3 + OH
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
CuO + NaOH = CuOH + NaO =>
CuO + NaOH = CuOH + NaO
C + O2 = CO =>
2 C + O2 = 2 CO
SO2 + MnO4{-} + H{+} = SO3 + Mn{2+} + H2O =>
5 SO2 + 2 MnO4{-} + 6 H{+} = 5 SO3 + 2 Mn{2+} + 3 H2O
CO(NH2)2 = HNCO + NH3 =>
CO(NH2)2 = HNCO + NH3
NO + MnO4{-} + H{+} = N2O5 + Mn{2+} + H2O =>
10 NO + 6 MnO4{-} + 18 H{+} = 5 N2O5 + 6 Mn{2+} + 9 H2O
C6H6(l) + O2(g) = CO2(g) + H2O(g) =>
2 C6H6(l) + 15 O2(g) = 12 CO2(g) + 6 H2O(g)
MG + HCl = MGCl2 + H2 =>
MG + 2 HCl = MGCl2 + H2
MnSO4 + KClO3 + KOH = K2MnO4 + KCl + H2SO4 =>
3 MnSO4 + 2 KClO3 + 6 KOH = 3 K2MnO4 + 2 KCl + 3 H2SO4
NO2 + MnO4{-} + H{+} = N2O5 + Mn{2+} + H2O =>
10 NO2 + 2 MnO4{-} + 6 H{+} = 5 N2O5 + 2 Mn{2+} + 3 H2O
C5H8 + O2 = CO2 + H2O =>
C5H8 + 7 O2 = 5 CO2 + 4 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
ZnO + KOH = ZnOH + KO =>
ZnO + KOH = ZnOH + KO
Sb + I2 = SbI3 =>
2 Sb + 3 I2 = 2 SbI3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
HBr + KOH = KBr + H2O =>
HBr + KOH = KBr + H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Al(s) + O2(g) = Al2O3 =>
4 Al(s) + 3 O2(g) = 2 Al2O3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
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