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2(C)2(H)6 + 7(O)2 = 4 C(O)2 + 6(H)2O
KClO2 = KClO4 + KCl =>
2 KClO2 = KClO4 + KCl
NH4C2H3O2 + FeCl3 = NH4Cl + Fe(C2H3O2)3 =>
3 NH4C2H3O2 + FeCl3 = 3 NH4Cl + Fe(C2H3O2)3
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
CrI3 + Zn = Cr + ZnI2 =>
2 CrI3 + 3 Zn = 2 Cr + 3 ZnI2
Mn + H2SO4 = MnSO4 + H2 =>
Mn + H2SO4 = MnSO4 + H2
Mg(s) + HNO3 = Mg(NO3)2 + H2 =>
Mg(s) + 2 HNO3 = Mg(NO3)2 + H2
CuSO4(aq) + NH4Cl(aq) = CuCl2 + (NH4)2SO4 =>
CuSO4(aq) + 2 NH4Cl(aq) = CuCl2 + (NH4)2SO4
Zn + CuSO4 = Zn(SO4)2 + Cu =>
Zn + 2 CuSO4 = Zn(SO4)2 + 2 Cu
Na(s) + HOH(l) = NaOH(s) + H2(g) =>
2 Na(s) + 2 HOH(l) = 2 NaOH(s) + H2(g)
NO3 + Na = Na(NO3)2 =>
2 NO3 + Na = Na(NO3)2
Br2 + MnSO4 + K2SO4 + H2O = KBr + MnO2 + H2SO4 =>
Br2 + MnSO4 + K2SO4 + 2 H2O = 2 KBr + MnO2 + 2 H2SO4
CuSO4 + HCl = CuCl2 + H2(SO4) =>
CuSO4 + 2 HCl = CuCl2 + H2(SO4)
N + Cl2 = NCl3 =>
2 N + 3 Cl2 = 2 NCl3
H{+} + S + NO3{-} = NO2 + SO4{2-} + H2O =>
4 H{+} + S + 6 NO3{-} = 6 NO2 + SO4{2-} + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cl2 + HOH = HCl + HClO3 =>
3 Cl2 + 3 HOH = 5 HCl + HClO3
KAl3Si3O10(OH)2 + H = Al2SiO5 + SiO2 + K + H2O =>
2 KAl3Si3O10(OH)2 + 2 H = 3 Al2SiO5 + 3 SiO2 + 2 K + 3 H2O
K2SO4 + Ba = BaSO4 + K =>
K2SO4 + Ba = BaSO4 + 2 K
NaNO3 + K2Cr2O3 + H2SO4 = NO + K2Cr2O7 + Na2SO4 + H2O =>
8 NaNO3 + 3 K2Cr2O3 + 4 H2SO4 = 8 NO + 3 K2Cr2O7 + 4 Na2SO4 + 4 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Na2(TeO3) + NaI + HCl = NaCl + Te + I + H2O =>
Na2(TeO3) + 4 NaI + 6 HCl = 6 NaCl + Te + 4 I + 3 H2O
Ca + H(OH) = Ca(OH)2 + H2 =>
Ca + 2 H(OH) = Ca(OH)2 + H2
CaC2O4 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CaSO4 + CO2 + H2O =>
5 CaC2O4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 CaSO4 + 10 CO2 + 8 H2O
FeI3 + KCl = FeCl3 + KI =>
FeI3 + 3 KCl = FeCl3 + 3 KI
NH4I + Cl2 = NH4Cl + I2 =>
2 NH4I + Cl2 = 2 NH4Cl + I2
Na + H(OH) = Na(OH) + H2 =>
2 Na + 2 H(OH) = 2 Na(OH) + H2
SnI4 + HNO3 = SnO2 + NO2 + I2 + H2O =>
SnI4 + 4 HNO3 = SnO2 + 4 NO2 + 2 I2 + 2 H2O
Na3(PO4) + Mg(OH)2 = Mg3(PO4)2 + Na(OH) =>
2 Na3(PO4) + 3 Mg(OH)2 = Mg3(PO4)2 + 6 Na(OH)
H2SeO4 + Na2SO3 = Na2SeO4 + H2SO3 =>
H2SeO4 + Na2SO3 = Na2SeO4 + H2SO3
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
FeS2 + H2O = Fe2O3 + H + H2SO4 =>
2 FeS2 + 19 H2O = Fe2O3 + 30 H + 4 H2SO4
Zn + O2 + CO2 = ZnCO3 =>
2 Zn + O2 + 2 CO2 = 2 ZnCO3
Na2SO3 + H2SO4 + K2CrO7 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
9 Na2SO3 + 5 H2SO4 + 2 K2CrO7 = 2 K2SO4 + Cr2(SO4)3 + 9 Na2SO4 + 5 H2O
BrC4H9 + Ag + C2H6O = C6H14O + AgBr + C2H70 =>
132 BrC4H9 + 132 Ag + 131 C2H6O = 131 C6H14O + 132 AgBr + 2 C2H70
ZnCl2 + (NH4)2S = ZnS + NH4Cl =>
ZnCl2 + (NH4)2S = ZnS + 2 NH4Cl
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
Bi2O3 + C = Bi + CO =>
Bi2O3 + 3 C = 2 Bi + 3 CO
Sr{2+} + NO3{-} = Sr(NO3)2 =>
Sr{2+} + 2 NO3{-} = Sr(NO3)2
CH3CH2CH2CH2OH + HCl + ZnCl2 = CH3CH2CH2ClCl2 + Zn + H2O =>
3 CH3CH2CH2CH2OH + 4 HCl + 4 ZnCl2 = 4 CH3CH2CH2ClCl2 + 4 Zn + 3 H2O
(NH4)2PtCl4 + NH3 = Pt(NH3)2Cl2 + NH4Cl =>
(NH4)2PtCl4 + 2 NH3 = Pt(NH3)2Cl2 + 2 NH4Cl
KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O = K4Fe(CN)6 + KMnO4 + H2SO4 =>
162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O = 10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4
Pb(C2H3O2)4(aq) + KI(aq) = PbI4(s) + KC2H3O2(aq) =>
Pb(C2H3O2)4(aq) + 4 KI(aq) = PbI4(s) + 4 KC2H3O2(aq)
Cr2O7 + CH2O = Cr + HCOOH =>
Cr2O7 + 7 CH2O = 2 Cr + 7 HCOOH
Na2SO3 + HCl = NaCl + SO2 + H2O =>
Na2SO3 + 2 HCl = 2 NaCl + SO2 + H2O
NaNO3 + NH4Cl = NH4NO3 + NaCl(classification) =>
NaNO3 + NH4Cl = NH4NO3 + NaCl(classification)
H2SeO4 + Na2SO3 = Na2SeO4 + H2SO3 =>
H2SeO4 + Na2SO3 = Na2SeO4 + H2SO3
CH3(CH2)4CH2NH2 + HCl = C6H16ClN =>
CH3(CH2)4CH2NH2 + HCl = C6H16ClN
C6H6OS + O2 = CO + H2O + SO2 =>
C6H6OS + 5 O2 = 6 CO + 3 H2O + SO2
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