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2 Cr2O7{-2} + 3 CH2O + 16 H{+} = 4 Cr{3+} + 3 CO2 + 11 H2O
AgNO3 + KBr = (AgBr) + KNO3 =>
AgNO3 + KBr = (AgBr) + KNO3
C2H6O + C21H30O2 = C23H36O3 =>
C2H6O + C21H30O2 = C23H36O3
*Fe + O2 = Fe2O3 =>
4*Fe + 3 O2 = 2 Fe2O3
Fe3C + HCl = C2H6 + H2 + FeCl3 =>
2 Fe3C + 18 HCl = C2H6 + 6 H2 + 6 FeCl3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaHCO3(s) + CaCl2(s) = CaCO3(s) + NaCl(aq) + HCl(aq) =>
NaHCO3(s) + CaCl2(s) = CaCO3(s) + NaCl(aq) + HCl(aq)
Mn + Si = MnSi =>
Mn + Si = MnSi
NH4 = N + H2 =>
NH4 = N + 2 H2
N2O5(s) + H2O = HNO3 =>
N2O5(s) + H2O = 2 HNO3
ZnBr2(aq) + NH4OH(aq) = Zn(OH)2(s) + NH4Br(aq) =>
ZnBr2(aq) + 2 NH4OH(aq) = Zn(OH)2(s) + 2 NH4Br(aq)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
HCH3COO + NH3 = NH4CH3COO =>
HCH3COO + NH3 = NH4CH3COO
Bi2S3 = Bi3 + S2 =>
6 Bi2S3 = 4 Bi3 + 9 S2
Ni + O = Ni2O =>
2 Ni + O = Ni2O
Fe(NO3)3(aq) + NaCl(aq) = FeCl3(aq) + NaNO3(aq) =>
Fe(NO3)3(aq) + 3 NaCl(aq) = FeCl3(aq) + 3 NaNO3(aq)
CH2O + O2(aq) = CO2 + H2O =>
CH2O + O2(aq) = CO2 + H2O
FeSO4 + Na2CO3 + H2O = Fe(OH)2 + Na2SO4 + CO2 =>
FeSO4 + Na2CO3 + H2O = Fe(OH)2 + Na2SO4 + CO2
C3H4OH + O2 = CO2 + H2 =>
2 C3H4OH + 5 O2 = 6 CO2 + 5 H2
FeS + HCl(aq) = FeCl2(aq) + H2S =>
FeS + 2 HCl(aq) = FeCl2(aq) + H2S
Fe + Cu(SO4)3 = FeSO4 + Cu =>
3 Fe + Cu(SO4)3 = 3 FeSO4 + Cu
NH3 + H2O = N2O + H2 =>
2 NH3 + H2O = N2O + 4 H2
CaI2(aq) + Pb(No3)2(aq) = Ca(No3)2 + PbI2 =>
CaI2(aq) + Pb(No3)2(aq) = Ca(No3)2 + PbI2
Pb(CH3COOH)2 + KI = PbI2 + KCH3COOH =>
Pb(CH3COOH)2 + 2 KI = PbI2 + 2 KCH3COOH
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Na(s) + CuSO4(aq) = Na2SO4(aq) + Cu(s) =>
2 Na(s) + CuSO4(aq) = Na2SO4(aq) + Cu(s)
H + NaO = Na + HO =>
H + NaO = Na + HO
C6H8O7 + CaCl2 + NH4OH = C12H10O14Ca3 + NH4Cl + H2O =>
2 C6H8O7 + 3 CaCl2 + 6 NH4OH = C12H10O14Ca3 + 6 NH4Cl + 6 H2O
Se2 + O2 = SeO =>
Se2 + O2 = 2 SeO
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Pb(NO3)2(aq) + MgSO4(aq) = PbSO4 + Mg(NO3)2 =>
Pb(NO3)2(aq) + MgSO4(aq) = PbSO4 + Mg(NO3)2
MgCO3 + (NH4)2SO4 = MgSO4 + NH3 + CO2 + H2O =>
MgCO3 + (NH4)2SO4 = MgSO4 + 2 NH3 + CO2 + H2O
Co2S3 = Co + S =>
Co2S3 = 2 Co + 3 S
NaH + SO2 = H2S + Na2SO4 =>
2 NaH + 2 SO2 = H2S + Na2SO4
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
Pb(NO3)(aq) + KI(aq) = PbI(s) + KNO3(aq) =>
Pb(NO3)(aq) + KI(aq) = PbI(s) + KNO3(aq)
Fe(CH3COO)2 + HOH = CH3COOH + Fe(OH)2 =>
Fe(CH3COO)2 + 2 HOH = 2 CH3COOH + Fe(OH)2
N2H4(l) + O2(l) = N2(g) + H2O(l) =>
N2H4(l) + O2(l) = N2(g) + 2 H2O(l)
C + Cu = CCu =>
C + Cu = CCu
I2 + KF = KI + F2 =>
I2 + 2 KF = 2 KI + F2
Fe + Cu(SO4)3 = FeSO4 + Cu =>
3 Fe + Cu(SO4)3 = 3 FeSO4 + Cu
NO2 + H2O2 = HNO3 =>
2 NO2 + H2O2 = 2 HNO3
BiO3{-} + VO{+} + H2O = Bi2O3 + VO3{+} + OH{-} =>
2 BiO3{-} + VO{+} + H2O = Bi2O3 + VO3{+} + 2 OH{-}
HNO3(aq) + (NH4)2CO3(aq) = NH4NO3 + CO2 + H2O =>
2 HNO3(aq) + (NH4)2CO3(aq) = 2 NH4NO3 + CO2 + H2O
C3H5OH + MnO4{-} + H{+} = C3H6O2 + Mn{2+} + H2O =>
5 C3H5OH + 2 MnO4{-} + 6 H{+} = 5 C3H6O2 + 2 Mn{2+} + 3 H2O
P + AgNO3 + H2O = Ag3P + H3PO4 + HNO3 =>
8 P + 15 AgNO3 + 12 H2O = 5 Ag3P + 3 H3PO4 + 15 HNO3
K2O2(s) + H2O(l) = KOH(aq) + H2O2(aq) =>
K2O2(s) + 2 H2O(l) = 2 KOH(aq) + H2O2(aq)
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
KAl(OH)4(aq) + H2SO4(aq) = Al(OH)3(s) + H2O(l) + K2SO4 =>
2 KAl(OH)4(aq) + H2SO4(aq) = 2 Al(OH)3(s) + 2 H2O(l) + K2SO4
Mn{2+} + IO3{-} + H2O = MnO4{-} + I2 + H{+} =>
2 Mn{2+} + 2 IO3{-} + 2 H2O = 2 MnO4{-} + I2 + 4 H{+}
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