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2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu(NO3)2 = CuO + O2 + NO2 =>
2 Cu(NO3)2 = 2 CuO + O2 + 4 NO2
NaHCO3 + NaOH = Na2CO3 + H2O =>
NaHCO3 + NaOH = Na2CO3 + H2O
Cu2O + HNO3 = CuO + NO2 + H2O =>
Cu2O + 2 HNO3 = 2 CuO + 2 NO2 + H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
NH4HCO3 + KOH = NH3 + KHCO3 + H2O =>
NH4HCO3 + KOH = NH3 + KHCO3 + H2O
Sn(s) + Cu(NO3)2(aq) = Cu(s) + Sn(NO3)(aq) =>
2 Sn(s) + Cu(NO3)2(aq) = Cu(s) + 2 Sn(NO3)(aq)
C2H4O2 + NaHCO3 = CO2 + H2O + NaC2H3O2 =>
C2H4O2 + NaHCO3 = CO2 + H2O + NaC2H3O2
Na2CO3(aq) + KCl(aq) = K2CO3(aq) + NaCl(s) =>
Na2CO3(aq) + 2 KCl(aq) = K2CO3(aq) + 2 NaCl(s)
ZnO = O2 + Zn =>
2 ZnO = O2 + 2 Zn
PCl3 = Cl + P =>
PCl3 = 3 Cl + P
Ba + KBr = K + BaBr =>
Ba + KBr = K + BaBr
Ag2CrO4 + HNO3 = H2CrO4 + AgNO3 =>
Ag2CrO4 + 2 HNO3 = H2CrO4 + 2 AgNO3
Al2(SO4)3 + H2S = Al2S3 + H2SO4 =>
Al2(SO4)3 + 3 H2S = Al2S3 + 3 H2SO4
HCOOHC2H6 = HCOOC2H5H2 =>
HCOOHC2H6 = HCOOC2H5H2
C2H4O2 + NaHCO3 = CO2 + H2O + NaC2H3O2 =>
C2H4O2 + NaHCO3 = CO2 + H2O + NaC2H3O2
Al + HNO3 = Al(NO3)3 + NH4NO3 + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
MgBr2 + K2CO3 = MgCO3 + KBr =>
MgBr2 + K2CO3 = MgCO3 + 2 KBr
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
OH{-} + ClO{-} + CrO2 = Cl{-} + CrO4{2-} + H2O =>
2 OH{-} + ClO{-} + CrO2 = Cl{-} + CrO4{2-} + H2O
P + H2O = PH3 + H3PO3 =>
2 P + 3 H2O = PH3 + H3PO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH3I + Al(OH)3 = AlI3 + CH3OH =>
3 CH3I + Al(OH)3 = AlI3 + 3 CH3OH
CH3COOK + H2O = CH3COOH + K2O =>
2 CH3COOK + H2O = 2 CH3COOH + K2O
Pb(NO3)2 + H2SO4 = HNO3 + PbSO4 =>
Pb(NO3)2 + H2SO4 = 2 HNO3 + PbSO4
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
bromine + sodiumIodide = sodiumbromide + iodine =>
Br2 + 2 NaI = 2 NaBr + I2
Sr(NO3)2 + Na2SO4 = NaNO3 + SrSO4 =>
Sr(NO3)2 + Na2SO4 = 2 NaNO3 + SrSO4
KClO3 + KOH + K2C2O4 = KCl + K2CO3 + H2O =>
KClO3 + 6 KOH + 3 K2C2O4 = KCl + 6 K2CO3 + 3 H2O
Cl2Ca + NH4OH = NH4Cl + Ca(OH)2 =>
Cl2Ca + 2 NH4OH = 2 NH4Cl + Ca(OH)2
OH{-} + OC(NH2)2 + OBr{-} = CO3{2-} + N2 + Br{-} + H2O =>
2 OH{-} + OC(NH2)2 + 3 OBr{-} = CO3{2-} + N2 + 3 Br{-} + 3 H2O
Zn + AlBr = Al + ZnBr =>
Zn + AlBr = Al + ZnBr
FeCu + H2O = FeO + CuH2 =>
FeCu + H2O = FeO + CuH2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O =>
2 Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O
Na4Se + SeCl4 + AlCl3 = Na[AlCl4] + Se8[AlCl4]2 =>
15 Na4Se + 17 SeCl4 + 68 AlCl3 = 60 Na[AlCl4] + 4 Se8[AlCl4]2
KI + H2SO4 + H2O2 = K2SO4 + H2O + I =>
2 KI + H2SO4 + H2O2 = K2SO4 + 2 H2O + 2 I
H2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + KSO4 =>
H2S + 2 K2Cr2O7 + 9 H2SO4 = 2 Cr2(SO4)3 + 10 H2O + 4 KSO4
NH4Cl + Pb(VO4)3Cl + O2 = NH4VO3 + Pb + ClO2 =>
6 NH4Cl + 2 Pb(VO4)3Cl + 5 O2 = 6 NH4VO3 + 2 Pb + 8 ClO2
Br2 + NaF2 = F2 + NaBr2 =>
Br2 + NaF2 = F2 + NaBr2
CoCH3 + KMnO4 + H2SO4 = CoCOOH + K2SO4 + MnSO4 + H2O =>
5 CoCH3 + 6 KMnO4 + 9 H2SO4 = 5 CoCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Al43 + O23 = Al86O86 =>
46 Al43 + 86 O23 = 23 Al86O86
CaCl2(aq) + (NH4)2C2O4(aq) = CaC2O4 + NH4Cl =>
CaCl2(aq) + (NH4)2C2O4(aq) = CaC2O4 + 2 NH4Cl
Fe(OH)2 + O2 = FeO(OH)2 =>
2 Fe(OH)2 + O2 = 2 FeO(OH)2
H2NC6H4COOH + HOCH2CH3 = H2NC6H4COOCH2CH3 + H2O =>
H2NC6H4COOH + HOCH2CH3 = H2NC6H4COOCH2CH3 + H2O
K2CO3 + NaCl = K2Cl + NaCO3 =>
K2CO3 + NaCl = K2Cl + NaCO3
AlCl3 + Ba(OH)2 = Al(OH)3 + BaCl2(aq) =>
2 AlCl3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaCl2(aq)
Na2O + Ca(NO3)2 = CaO + Na(NO3) =>
Na2O + Ca(NO3)2 = CaO + 2 Na(NO3)
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
CrCl3 + Na2S2O8 + NaOH = Na2Cr2O7 + Na2SO4 + NaCl + H2O =>
2 CrCl3 + 3 Na2S2O8 + 14 NaOH = Na2Cr2O7 + 6 Na2SO4 + 6 NaCl + 7 H2O
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