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4 S + 3 CuSO4 + 4 H2O = 3 CuS + 4 H2SO4
CH3CHCH2 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO =>
8 CH3CHCH2 + 6 KMnO4 + 9 H2SO4 = 12 CH3COOH + 9 H2O + 6 MnSO4 + 3 K2SO
Fe{3+} + NH4OH = Fe(NH3)6{3+} + H2O =>
Fe{3+} + 6 NH4OH = Fe(NH3)6{3+} + 6 H2O
HCOOH + NaOH = COOH{-} + NaOH2{+} =>
HCOOH + NaOH = COOH{-} + NaOH2{+}
Li2O + Cr(OH)3 = LiOH + Cr2O3 =>
3 Li2O + 2 Cr(OH)3 = 6 LiOH + Cr2O3
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
Na(l) + Cl = NaCl =>
Na(l) + Cl = NaCl
Pb{2+} + S{2-} = PbS =>
Pb{2+} + S{2-} = PbS
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
Al(OH)3 + Al2O3 = AlO(OH) =>
Al(OH)3 + Al2O3 = 3 AlO(OH)
H2CrO4 + NaHSO3 + H2SO4 = Cr2(SO4)3 + NaSO4 + H2O =>
2 H2CrO4 + 2 NaHSO3 + 3 H2SO4 = Cr2(SO4)3 + 2 NaSO4 + 6 H2O
C6H5CHOHCCl3 + NaOH = C6H5CHOHCOONa + H2O + NaCl =>
C6H5CHOHCCl3 + 4 NaOH = C6H5CHOHCOONa + 2 H2O + 3 NaCl
Al + CO2 = Al2O3 + CO =>
2 Al + 3 CO2 = Al2O3 + 3 CO
K2Cr2O7 + KI + H2SO4 = H2O + Cr2(SO4)3 + K2SO4 + I2 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 7 H2O + Cr2(SO4)3 + 4 K2SO4 + 3 I2
Fe(NO3)3*9H2O = Fe2O3 + HNO3 + H2O =>
2 Fe(NO3)3*9H2O = Fe2O3 + 6 HNO3 + 15 H2O
C6H12 + Cl2 = C6H11Cl + HCl =>
C6H12 + Cl2 = C6H11Cl + HCl
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
S8 + Br2 = SBr2 =>
S8 + 8 Br2 = 8 SBr2
FeCl2 + NaOH + CaO = Fe + NaCl + Ca(OH)2 + O2 =>
2 FeCl2 + 4 NaOH + 2 CaO = 2 Fe + 4 NaCl + 2 Ca(OH)2 + O2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Ca + Mg2 = Ca2Mg =>
4 Ca + Mg2 = 2 Ca2Mg
CH3COSH(l) + O2(g) = CO2(g) + H2O(l) + S2(s) =>
2 CH3COSH(l) + 5 O2(g) = 4 CO2(g) + 4 H2O(l) + S2(s)
KNO2 + KJ + H2SO4 = K2SO4 + J2 + NO + H2O =>
2 KNO2 + 2 KJ + 2 H2SO4 = 2 K2SO4 + J2 + 2 NO + 2 H2O
KMnO4 + C3H8O3 = CO2 + H2O + K2CO3 + Mn2O3 =>
14 KMnO4 + 4 C3H8O3 = 5 CO2 + 16 H2O + 7 K2CO3 + 7 Mn2O3
Pt + HCl + HNO3 = H2O + H2PtCl6 + NO =>
3 Pt + 18 HCl + 4 HNO3 = 8 H2O + 3 H2PtCl6 + 4 NO
Cr2O3 + NaOH = Na3CrO3 + H2O =>
Cr2O3 + 6 NaOH = 2 Na3CrO3 + 3 H2O
LiOH + BaBr2 = LiBr + Ba(OH)2 =>
2 LiOH + BaBr2 = 2 LiBr + Ba(OH)2
Co(NO3)2 + NaCBr = CoBr2 + NaCNO3 =>
Co(NO3)2 + 2 NaCBr = CoBr2 + 2 NaCNO3
AgNO3 + NAl = AgNAl + NO3 =>
AgNO3 + NAl = AgNAl + NO3
CH4 = C2H2 + H2 =>
2 CH4 = C2H2 + 3 H2
CH3CH2OH + O2 = C2H4O + H2O =>
2 CH3CH2OH + O2 = 2 C2H4O + 2 H2O
AlCl3 + Au = AuCl + Al =>
AlCl3 + 3 Au = 3 AuCl + Al
KOH + Al2O3 + H2O = K3Al(OH)6 =>
6 KOH + Al2O3 + 3 H2O = 2 K3Al(OH)6
HCOH + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + H2O + Cr2(SO4)3 =>
3 HCOH + 2 K2Cr2O7 + 8 H2SO4 = 3 CO2 + 2 K2SO4 + 11 H2O + 2 Cr2(SO4)3
C10H20O + NaOCl = C10H18O + Na + Cl + H3O =>
3 C10H20O + 2 NaOCl = 3 C10H18O + 2 Na + 2 Cl + 2 H3O
HNO3 + K2CrO4 = HCrO4 + K2NO3 =>
HNO3 + K2CrO4 = HCrO4 + K2NO3
ZnSO4 + CaS = ZnS + CaSO4 =>
ZnSO4 + CaS = ZnS + CaSO4
AlOH3 + NaOH + H2O = Na[Al(OH)4] + H2 =>
AlOH3 + NaOH + 2 H2O = Na[Al(OH)4] + 2 H2
A1 + HC1 = A1C13 + H2 =>
2 A1 + 26 HC1 = 2 A1C13 + 13 H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
[Ag(NH3)2]NO3 + Na[Sb(OH)4] + NaOH = Ag + NH3 + NaNO3 + Na[Sb(OH)6] =>
2[Ag(NH3)2]NO3 + Na[Sb(OH)4] + 2 NaOH = 2 Ag + 4 NH3 + 2 NaNO3 + Na[Sb(OH)6]
CHN + O2 = CO2 + H2O + NO =>
4 CHN + 7 O2 = 4 CO2 + 2 H2O + 4 NO
NH3 + O2 = NO + H2OO2 =>
4 NH3 + 11 O2 = 4 NO + 6 H2OO2
C2H2 + HCl = (C2H3Cl)4 =>
4 C2H2 + 4 HCl = (C2H3Cl)4
Mg + Zn0(NO3)2 = Mg(NO3)2 + Zn =>
Mg + Zn0(NO3)2 = Mg(NO3)2 + Zn
Cl2 + H2O = H3O{+} + HOCl + Cl{-} =>
Cl2 + 2 H2O = H3O{+} + HOCl + Cl{-}
K2O + HClO4 = KClO4 + H2O =>
K2O + 2 HClO4 = 2 KClO4 + H2O
A1 + HC1 = A1C13 + H2 =>
2 A1 + 26 HC1 = 2 A1C13 + 13 H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
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