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2 Na2O + C = 4 Na + CO2
C6O12H6 + O2 = CO2 + H2O =>
2 C6O12H6 + 3 O2 = 12 CO2 + 6 H2O
Fe2(SO4)3 + Ca = CaSO4 + Fe =>
Fe2(SO4)3 + 3 Ca = 3 CaSO4 + 2 Fe
CrCl3 + MnO2 + H2O = MnCl2 + H2CrO4 =>
2 CrCl3 + 3 MnO2 + 2 H2O = 3 MnCl2 + 2 H2CrO4
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
AlCl3 + NH4OH = Al(OH)3 + NH4Cl =>
AlCl3 + 3 NH4OH = Al(OH)3 + 3 NH4Cl
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
CrCl3 + NaOH = Cr(OH)3 + NaCl =>
CrCl3 + 3 NaOH = Cr(OH)3 + 3 NaCl
K2O2 + H2O = KOH + O2 =>
2 K2O2 + 2 H2O = 4 KOH + O2
FeCl3 + NH4OH = H3FeO3 + NH4Cl =>
FeCl3 + 3 NH4OH = H3FeO3 + 3 NH4Cl
CrCl3 + NH4OH = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH4OH = Cr(OH)3 + 3 NH4Cl
CH3P(O)(OCH3)2 + SOCl2 = CH3P(O)Cl2 + SO2 + CH3Cl =>
CH3P(O)(OCH3)2 + 2 SOCl2 = CH3P(O)Cl2 + 2 SO2 + 2 CH3Cl
CrCl3 + NaOH + H2O2 = Na2CrO4 + H2O + NaCl =>
2 CrCl3 + 10 NaOH + 3 H2O2 = 2 Na2CrO4 + 8 H2O + 6 NaCl
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
K2Cr2O7 + NaOH = K2CrO4 + Na2CrO4 + H2O =>
K2Cr2O7 + 2 NaOH = K2CrO4 + Na2CrO4 + H2O
FeO4 + H2 = Fe + H2O =>
FeO4 + 4 H2 = Fe + 4 H2O
K2CrO4 + Pb(NO3)2 = PbCrO4 + KNO3 =>
K2CrO4 + Pb(NO3)2 = PbCrO4 + 2 KNO3
COBr3 + Pb(NO3)2 = CO(NO3)3 + PbBr2 =>
2 COBr3 + 3 Pb(NO3)2 = 2 CO(NO3)3 + 3 PbBr2
K2Cr2O7 + H2O2 + H2SO4 = CrO(O2)2 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2O2 + H2SO4 = 2 CrO(O2)2 + K2SO4 + 5 H2O
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
FeSO4 + NH4OH = Fe(OH)2 + (NH4)2SO4 =>
FeSO4 + 2 NH4OH = Fe(OH)2 + (NH4)2SO4
N2O = N2 + O2 =>
2 N2O = 2 N2 + O2
FeSO4 + K4[Fe(CN)6] = Fe[K2Fe(CN)6] + K2SO4 =>
FeSO4 + K4[Fe(CN)6] = Fe[K2Fe(CN)6] + K2SO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
FeCl3 + K4Fe(CN)6 = K[Fe2(CN)6] + KCl =>
FeCl3 + K4Fe(CN)6 = K[Fe2(CN)6] + 3 KCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K3[Fe(CN)6] + FeCl3 = Fe[Fe(CN)6] + KCl =>
K3[Fe(CN)6] + FeCl3 = Fe[Fe(CN)6] + 3 KCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
NaNO2 + H2SO4 = Na2SO4 + NO + NO2 + H2O =>
2 NaNO2 + H2SO4 = Na2SO4 + NO + NO2 + H2O
I2 + KIO3 + HCl = ICl + KCl + H2O =>
2 I2 + KIO3 + 6 HCl = 5 ICl + KCl + 3 H2O
Br2 + H2O + NaNO2 = HBr + NaNO3 =>
Br2 + H2O + NaNO2 = 2 HBr + NaNO3
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Na2SO3 + HCl = NaCl + SO2 + H2O =>
Na2SO3 + 2 HCl = 2 NaCl + SO2 + H2O
Na2SO3 + Br2 + H2O = Na2SO4 + HBr =>
Na2SO3 + Br2 + H2O = Na2SO4 + 2 HBr
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
CuO + NH3 = Cu + H2O + N2 =>
3 CuO + 2 NH3 = 3 Cu + 3 H2O + N2
Na2S2O3 + Br2 = Na2S4O6 + NaBr =>
2 Na2S2O3 + Br2 = Na2S4O6 + 2 NaBr
MGBR2 + CL2 = MGCL2 + BR2 =>
MGBR2 + CL2 = MGCL2 + BR2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
FeS2 + O2 = SO2 + Fe2O3 =>
4 FeS2 + 11 O2 = 8 SO2 + 2 Fe2O3
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
AgNO3 + Na2B4O7 + H2O = AgBO2 + H3BO3 + NaNO3 =>
2 AgNO3 + Na2B4O7 + 3 H2O = 2 AgBO2 + 2 H3BO3 + 2 NaNO3
NaOAc + HCl = HOAc + NaCl =>
NaOAc + HCl = HOAc + NaCl
PbO + C = Pb + CO2 =>
2 PbO + C = 2 Pb + CO2
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