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2 KOH + H2SO4 = K2SO4 + 2 H2O
Tl + S = TlS3 =>
Tl + 3 S = TlS3
CuCl2 + Na2S = CuS + NaCl =>
CuCl2 + Na2S = CuS + 2 NaCl
SO2 + H2S = H2O + S =>
SO2 + 2 H2S = 2 H2O + 3 S
CU(OH)2 + H2SO4 = H2O + CUSO4 =>
CU(OH)2 + H2SO4 = 2 H2O + CUSO4
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
P4O10 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
P4O10 + 6 Ca(OH)2 = 2 Ca3(PO4)2 + 6 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H2O + HBr = H3O + Br =>
H2O + HBr = H3O + Br
Cu(No3)2 + Zn = Cu + ZnNo3 =>
Cu(No3)2 + 2 Zn = Cu + 2 ZnNo3
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
(NH4)2SO4 + CaBr2 = NH4Br + CaSO4 =>
(NH4)2SO4 + CaBr2 = 2 NH4Br + CaSO4
N2O5 + KOH = KNO3 + H2O =>
N2O5 + 2 KOH = 2 KNO3 + H2O
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
HNO3 + H2S = NO + H2O + S =>
2 HNO3 + 3 H2S = 2 NO + 4 H2O + 3 S
KI + H2SO4 = I2 + S + K2SO4 + H2O =>
6 KI + 4 H2SO4 = 3 I2 + S + 3 K2SO4 + 4 H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2ZnO2 + NaOH = Na2ZnO2 + H2O =>
H2ZnO2 + 2 NaOH = Na2ZnO2 + 2 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
H2 + V2O5 = V2O3 + H2O =>
2 H2 + V2O5 = V2O3 + 2 H2O
Al(OH)3 + Na2O = NaAlO2 + H2O =>
2 Al(OH)3 + Na2O = 2 NaAlO2 + 3 H2O
HClO4 + Ca(OH)2 = H2O + Ca(ClO4)2 =>
2 HClO4 + Ca(OH)2 = 2 H2O + Ca(ClO4)2
KClO3 = KCl + KClO4 =>
4 KClO3 = KCl + 3 KClO4
NH3 + Na = NaNH2 + H2 =>
2 NH3 + 2 Na = 2 NaNH2 + H2
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CO(NH2)2 + Cu(NO3)2*3H2O = CuO + CO2 + H2O + N2 =>
5 CO(NH2)2 + 3 Cu(NO3)2*3H2O = 3 CuO + 5 CO2 + 19 H2O + 8 N2
HNO3 + MgO = Mg(NO3)2 + H2O =>
2 HNO3 + MgO = Mg(NO3)2 + H2O
Hg + HNO3 + HCl = NO + HgCl2 + H2O =>
3 Hg + 2 HNO3 + 6 HCl = 2 NO + 3 HgCl2 + 4 H2O
HClO4(aq) + NaOH(aq) = NaClO4(aq) + H2O(l) =>
HClO4(aq) + NaOH(aq) = NaClO4(aq) + H2O(l)
KHSO4 = K2SO4 + H2SO4 =>
2 KHSO4 = K2SO4 + H2SO4
Zn(OH)2 + HClO4 = Zn(ClO4)2 + H2O =>
Zn(OH)2 + 2 HClO4 = Zn(ClO4)2 + 2 H2O
KHSO4 + KCl = K2SO4 + HCl =>
KHSO4 + KCl = K2SO4 + HCl
Cr + HCl = CrCl6 + H2 =>
Cr + 6 HCl = CrCl6 + 3 H2
MnCl2 + Na2S = MnS + NaCl =>
MnCl2 + Na2S = MnS + 2 NaCl
Sn(NO3)4 + Na3PO4 = NaNO3 + Sn3(PO4)4 =>
3 Sn(NO3)4 + 4 Na3PO4 = 12 NaNO3 + Sn3(PO4)4
CaCo3 + HCl = CaCl2 + H20 + Co2 =>
10 CaCo3 + 20 HCl = 10 CaCl2 + H20 + 15 Co2
MnS + HNO3 = MnSO4 + NO2 + H2O =>
MnS + 8 HNO3 = MnSO4 + 8 NO2 + 4 H2O
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
NaCl + Pb(NO3)2 = NaNO3 + PbCl2 =>
2 NaCl + Pb(NO3)2 = 2 NaNO3 + PbCl2
(NH4)2SO4 + PB(NO3)2 = NH4NO3 + PBSO4 =>
(NH4)2SO4 + PB(NO3)2 = 2 NH4NO3 + PBSO4
C2H4O2 + Ca(OH)2 = H2O + Ca(C2H3O2)2 =>
2 C2H4O2 + Ca(OH)2 = 2 H2O + Ca(C2H3O2)2
CUSO4 + KI = CUI + I2 + K2SO4 =>
2 CUSO4 + 4 KI = 2 CUI + I2 + 2 K2SO4
C3H6O + H2 = C3H8O =>
C3H6O + H2 = C3H8O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
H3PO4 + Zn + HCl = PH3 + ZnCl2 + H2O =>
H3PO4 + 4 Zn + 8 HCl = PH3 + 4 ZnCl2 + 4 H2O
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
C2H4O + Cr2O7{2-} + H{+} = C2H4O2 + Cr{3+} + H2O =>
3 C2H4O + Cr2O7{2-} + 8 H{+} = 3 C2H4O2 + 2 Cr{3+} + 4 H2O
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