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Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Mg(NO3)2 + SrCl2 = Mg(Cl2)2 + Sr(NO3) =>
Mg(NO3)2 + 2 SrCl2 = Mg(Cl2)2 + 2 Sr(NO3)
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
KI(aq) + NaOH(aq) = KOH(aq) + NaI(aq) =>
KI(aq) + NaOH(aq) = KOH(aq) + NaI(aq)
Fe2O3(s) + C(g) = Fe3O4 + CO2 =>
6 Fe2O3(s) + C(g) = 4 Fe3O4 + CO2
PbO + O = Pb3O4 =>
3 PbO + O = Pb3O4
Fe2O3(s) + C(g) = Fe3O4 + CO =>
3 Fe2O3(s) + C(g) = 2 Fe3O4 + CO
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
HCIO4 + Fe(OH)3 = Fe(CIO4)3 + H2O =>
3 HCIO4 + Fe(OH)3 = Fe(CIO4)3 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
KHCO3 = K2CO3 + CO2 + H2O =>
2 KHCO3 = K2CO3 + CO2 + H2O
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
MG(OH)2 + HCl = MGCl2 + H2O =>
MG(OH)2 + 2 HCl = MGCl2 + 2 H2O
CH3NH2 + C10H11BrO = C11H15NO + HBr =>
CH3NH2 + C10H11BrO = C11H15NO + HBr
H2C2O4*2H2O + NaOH = Na2C2O4 + H2O =>
H2C2O4*2H2O + 2 NaOH = Na2C2O4 + 4 H2O
CuO + C = CO2 + Cu =>
2 CuO + C = CO2 + 2 Cu
Al(NO3)3 + KOH = Al(OH)3 + KNO3 =>
Al(NO3)3 + 3 KOH = Al(OH)3 + 3 KNO3
KNO2 + KI + H2SO4 = I2 + NO + K2SO4 + H2O =>
2 KNO2 + 2 KI + 2 H2SO4 = I2 + 2 NO + 2 K2SO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Zn(OH)2 + HCl = ZnCl2 + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
MgSO4 + NH4OH + NH4Cl + Na2HPO4 = MgNH4PO4 + NaCl + (NH4)2SO4 + H2O =>
MgSO4 + NH4OH + 2 NH4Cl + Na2HPO4 = MgNH4PO4 + 2 NaCl + (NH4)2SO4 + H2O
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS(s) =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS(s)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
SC2O3 + Cl2 + S2Cl2 = SCCl3 + SOCl2 =>
SC2O3 + 4 Cl2 + 2 S2Cl2 = 2 SCCl3 + 3 SOCl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
N2H4(l) = NH3(g) + N2(g) =>
3 N2H4(l) = 4 NH3(g) + N2(g)
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
NaI(aq) + Br2(l) = NaBr(aq) + I2(s) =>
2 NaI(aq) + Br2(l) = 2 NaBr(aq) + I2(s)
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Na2S + Na2CrO4 + H2O = S + Na[Cr(OH)4(H2O)2] + NaOH =>
3 Na2S + 2 Na2CrO4 + 12 H2O = 3 S + 2 Na[Cr(OH)4(H2O)2] + 8 NaOH
HCl(aq) + O2(g) = H2O(l) + Cl2(g) =>
4 HCl(aq) + O2(g) = 2 H2O(l) + 2 Cl2(g)
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
PbCO3 + HNO3 = Pb(NO3)2 + CO2 + H2O =>
PbCO3 + 2 HNO3 = Pb(NO3)2 + CO2 + H2O
Ag(OH)2 + HBr = AgBr2 + H2O =>
Ag(OH)2 + 2 HBr = AgBr2 + 2 H2O
K2SnO2 + Bi(OH)3 = K2SnO3 + Bi + H2O =>
3 K2SnO2 + 2 Bi(OH)3 = 3 K2SnO3 + 2 Bi + 3 H2O
[Ag(NH3)2]Cl + KI = AgI + NH3 + K + Cl =>
[Ag(NH3)2]Cl + KI = AgI + 2 NH3 + K + Cl
FEO + HCl = FECl2 + H2O =>
FEO + 2 HCl = FECl2 + H2O
Fe(OH)3 + H2SO3 = Fe2(SO3)3 + H2O =>
2 Fe(OH)3 + 3 H2SO3 = Fe2(SO3)3 + 6 H2O
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
K2SnO2 + Bi(OH)3 = K2SnO3 + Bi + H2O =>
3 K2SnO2 + 2 Bi(OH)3 = 3 K2SnO3 + 2 Bi + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3(s) + 2 NaNO3(aq)
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
PbO + OH = PbO2 + H2O =>
PbO + 2 OH = PbO2 + H2O
(CH3NH3)Cl + NaOH + C10H11BrO = C11H15NO + HBr + NaCl + H2O =>
(CH3NH3)Cl + NaOH + C10H11BrO = C11H15NO + HBr + NaCl + H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
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