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H2SO4 + Zn = H2 + ZnSO4
H2S + KI = K2S + HI =>
H2S + 2 KI = K2S + 2 HI
CH2OHCH2CH2CH2OH + KMnO4 + H2SO4 = CH2OHCH2CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH2OHCH2CH2CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH2OHCH2CH2COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
C5H11COOH + O2 = CO2 + H2O =>
C5H11COOH + 8 O2 = 6 CO2 + 6 H2O
P4 + Br2 + H2O = H3PO3 + HBr =>
P4 + 6 Br2 + 12 H2O = 4 H3PO3 + 12 HBr
hydrogen + nitrogen = ammonia =>
3 H2 + N2 = 2 NH3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaCl + Pb(NO3)2 = NaNO3 + PbCl2 =>
2 NaCl + Pb(NO3)2 = 2 NaNO3 + PbCl2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C3H6O3 + KMnO4 = KMn + CO2 + H2O =>
2 C3H6O3 + 3 KMnO4 = 3 KMn + 6 CO2 + 6 H2O
Fe(OH)3 + NH3 = Fe(NH3) + OH =>
Fe(OH)3 + NH3 = Fe(NH3) + 3 OH
CH3Cl + C2H5ONa = NaCl + CH3OC2H5 =>
CH3Cl + C2H5ONa = NaCl + CH3OC2H5
CH3COOCH2CH3 + O2 = CO2 + H2O =>
CH3COOCH2CH3 + 5 O2 = 4 CO2 + 4 H2O
Al + S = Al2S5 =>
2 Al + 5 S = Al2S5
CH3COOH + K2CO3 = KCH3CO2 + CO2 + H2O =>
2 CH3COOH + K2CO3 = 2 KCH3CO2 + CO2 + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
MnSO4*H2O + NaOH = MnO2 + Na2SO4 + H2O + H2 =>
MnSO4*H2O + 2 NaOH = MnO2 + Na2SO4 + H2O + H2
CH2OHCH2OH + KMnO4 + H2SO4 = CH2OHCH2CH2COOH + K2SO4 + MnSO4 + H2O =>
10 CH2OHCH2OH + 2 KMnO4 + 3 H2SO4 = 5 CH2OHCH2CH2COOH + K2SO4 + 2 MnSO4 + 13 H2O
PbO(s) + NH3(g) = Pb(s) + N2(g) + H2O(l) =>
3 PbO(s) + 2 NH3(g) = 3 Pb(s) + N2(g) + 3 H2O(l)
Na(s) + H2O(ac) = NaOH(ac) + H2(g) =>
2 Na(s) + 2 H2O(ac) = 2 NaOH(ac) + H2(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba(NO3)2 + Li2SO4 = Ba(SO4) + LiNO3 =>
Ba(NO3)2 + Li2SO4 = Ba(SO4) + 2 LiNO3
NO2 + S2O8{2-} + H2O = NO3{-} + SO4{2-} + H{+} =>
2 NO2 + S2O8{2-} + 2 H2O = 2 NO3{-} + 2 SO4{2-} + 4 H{+}
NaCl + Pb(NO3)2 + KI = PbCl2 + KNO3 + NaI =>
2 NaCl + Pb(NO3)2 + 2 KI = PbCl2 + 2 KNO3 + 2 NaI
CH2OHCH2OH + NaOH = C2H5O2Na + H2O =>
CH2OHCH2OH + NaOH = C2H5O2Na + H2O
HCOO(CH2)2CH3 + O2 = CO2 + H2O =>
HCOO(CH2)2CH3 + 5 O2 = 4 CO2 + 4 H2O
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
HPO3{-} + H2O2 + OH{-} = PO4{3-} + H2O =>
2 HPO3{-} + H2O2 + 4 OH{-} = 2 PO4{3-} + 4 H2O
NaBO2 + H2O2 = Na2B2(O2)2(OH) =>
4 NaBO2 + H2O2 = 2 Na2B2(O2)2(OH)
Cl2 + Na = NaCl =>
Cl2 + 2 Na = 2 NaCl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C3H80 + O2 = C02 + H2O =>
2 C3H80 + 40 O2 = 3 C02 + 80 H2O
HI + NO2 = NO + I2 + H2O =>
2 HI + NO2 = NO + I2 + H2O
Al(OH)3 + K + H2SO4 = Al + K2SO4 + H2O =>
2 Al(OH)3 + 6 K + 3 H2SO4 = 2 Al + 3 K2SO4 + 6 H2O
C6H10O + K2Cr2O7 + H2SO4 = C6H10O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H10O + K2Cr2O7 + 4 H2SO4 = 3 C6H10O2 + K2SO4 + Cr2(SO4)3 + 4 H2O
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
FeO(s) + HCl = FeCl2(aq) + H2O =>
FeO(s) + 2 HCl = FeCl2(aq) + H2O
Schwefel + Ozon = Schwefeldioxid =>
3 S + 2 O3 = 3 SO2
Zn(NO3)2 + K2CrO4 = K2(NO3)2 + ZnCrO4 =>
Zn(NO3)2 + K2CrO4 = K2(NO3)2 + ZnCrO4
Schwefel + Ozon = Schwefeldioxid =>
3 S + 2 O3 = 3 SO2
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Ba(OH)2 + NH4NO3 = Ba(NO3)2 + NH3 + H2O =>
Ba(OH)2 + 2 NH4NO3 = Ba(NO3)2 + 2 NH3 + 2 H2O
Na2CO3 + FeCr2O4 + O2 = Fe2O3 + Na2Cr2O7 + CO2 =>
4 Na2CO3 + 4 FeCr2O4 + 7 O2 = 2 Fe2O3 + 4 Na2Cr2O7 + 4 CO2
K3PO4 + Ca(CH3COO)2 = KCH3COO + Ca3(PO4)2 =>
2 K3PO4 + 3 Ca(CH3COO)2 = 6 KCH3COO + Ca3(PO4)2
Ba(NO3)2 + K = K(NO3)2 + Ba =>
Ba(NO3)2 + K = K(NO3)2 + Ba
CO2 + H2O = C6H1206 + O6 =>
12 CO2 + 1206 H2O = 2 C6H1206 + 205 O6
Al + K2S = AlS + K =>
Al + K2S = AlS + 2 K
NO2{-} + I{-} + H{+} = NO + I3{-} + H2O =>
2 NO2{-} + 3 I{-} + 4 H{+} = 2 NO + I3{-} + 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
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