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2 HNO3 + Pb(OH)4 = Pb(OH)2(NO3)2 + 2 H2O
Cr + Br = CrBr2 =>
Cr + 2 Br = CrBr2
Cu(NO3)2 + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH = Cu(OH)2 + 2 KNO3
(NH4)2O = NH3 + H2O =>
(NH4)2O = 2 NH3 + H2O
CH3CH2OH + PI3 = CH3CH2I + P + OH =>
3 CH3CH2OH + PI3 = 3 CH3CH2I + P + 3 OH
Fe(HCO3)3 = Fe(OH)3 + CO2 =>
Fe(HCO3)3 = Fe(OH)3 + 3 CO2
Mg + H1PO4 = Mg3(PO4) + H2 =>
6 Mg + 2 H1PO4 = 2 Mg3(PO4) + H2
Na2CO3(aq) + Ca(OH)2(aq) = NaOH(aq) + CaCO3(s) =>
Na2CO3(aq) + Ca(OH)2(aq) = 2 NaOH(aq) + CaCO3(s)
S3 = S2 =>
2 S3 = 3 S2
C31H64 + O2 = CO2 + H2O =>
C31H64 + 47 O2 = 31 CO2 + 32 H2O
Fe(s) + H2SO4(l) = FeSO4(aq) + H2(g) =>
Fe(s) + H2SO4(l) = FeSO4(aq) + H2(g)
H3BO3 + NaOH = NaH2BO3 + H2O =>
H3BO3 + NaOH = NaH2BO3 + H2O
C3H8 = C3H6 + H2 =>
C3H8 = C3H6 + H2
Bi(OH)3 + NaOH = Na[Bi(OH)4] =>
Bi(OH)3 + NaOH = Na[Bi(OH)4]
H2O + CH3COOH = CH3CH2OH + O2 =>
H2O + CH3COOH = CH3CH2OH + O2
Me + HNO3 = MeNO3 + NO + H2O =>
3 Me + 4 HNO3 = 3 MeNO3 + NO + 2 H2O
Zn(s) + H2O(l) = Zn(OH)2(aq) + H2(g) =>
Zn(s) + 2 H2O(l) = Zn(OH)2(aq) + H2(g)
Fe + CO2 + H2O = FeCO3 + H2 =>
Fe + CO2 + H2O = FeCO3 + H2
Ag(s) + CuCl2(aq) = AgCl(aq) + Cu(s) =>
2 Ag(s) + CuCl2(aq) = 2 AgCl(aq) + Cu(s)
CuO + C2 = Cu + CO2 =>
4 CuO + C2 = 4 Cu + 2 CO2
P + Br2 = P3Br2 =>
3 P + Br2 = P3Br2
H3PO4 + CaO2H2 = Ca3P2O8 + H2O =>
2 H3PO4 + 3 CaO2H2 = Ca3P2O8 + 6 H2O
COCuO = CO2Cu =>
COCuO = CO2Cu
S + Br2 = SBr6 =>
S + 3 Br2 = SBr6
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ag + Na2O = Na + Ag2O =>
2 Ag + Na2O = 2 Na + Ag2O
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O =>
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O
I2(g) + Br2(g) = IBr(g) =>
I2(g) + Br2(g) = 2 IBr(g)
C6H12O6 + C2H5OH = C28H48O6 + H2O =>
5 C6H12O6 + 27 C2H5OH = 3 C28H48O6 + 39 H2O
Cs + Fe2O3 = Cs2O + Fe =>
6 Cs + Fe2O3 = 3 Cs2O + 2 Fe
Cl2 + AgNO3 = (NO3)2 + AgCl =>
Cl2 + 2 AgNO3 = (NO3)2 + 2 AgCl
MgS + H3PO4 = Mg3(PO4)2 + H2S =>
3 MgS + 2 H3PO4 = Mg3(PO4)2 + 3 H2S
Pb(CH3COO)2 + K2CrO4 = PbCrO4 + KCH3COO =>
Pb(CH3COO)2 + K2CrO4 = PbCrO4 + 2 KCH3COO
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
NF2 = N2 + F2 =>
2 NF2 = N2 + 2 F2
Cr(OH)3 + NH3 = [Cr(NH3)6] + OH =>
Cr(OH)3 + 6 NH3 = [Cr(NH3)6] + 3 OH
Cu + KOH + H2O = K[Cu(OH)4] + H2 =>
2 Cu + 2 KOH + 6 H2O = 2 K[Cu(OH)4] + 3 H2
Sr(OH)2 + H3PO4 = Sr3(PO4)2 + H2O =>
3 Sr(OH)2 + 2 H3PO4 = Sr3(PO4)2 + 6 H2O
CC + O2 = CO2 =>
CC + 2 O2 = 2 CO2
C7H8 + H2O = CO + H2 =>
C7H8 + 7 H2O = 7 CO + 11 H2
Pb + H2O2 = PbO + H2O =>
Pb + H2O2 = PbO + H2O
Mn + Sn(No3)2 = Mn(No3)2 + Sn =>
Mn + Sn(No3)2 = Mn(No3)2 + Sn
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + SrSO4 =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 SrSO4
H2SO4(aq) + Ca(OH)2(s) = CaSO4 + H2O =>
H2SO4(aq) + Ca(OH)2(s) = CaSO4 + 2 H2O
NO + C = N + CO2 =>
2 NO + C = 2 N + CO2
K2S + Al = AlS3 + K =>
3 K2S + Al = AlS3 + 6 K
MgCO3 + K = K2CO3 + Mg =>
MgCO3 + 2 K = K2CO3 + Mg
KNO3 + NaHCO3 = KHCO3 + NaNO3 =>
KNO3 + NaHCO3 = KHCO3 + NaNO3
C4H8 + KMnO4 + H2O = C4H10O2 + MnO2 + KOH =>
3 C4H8 + 2 KMnO4 + 4 H2O = 3 C4H10O2 + 2 MnO2 + 2 KOH
MgO2 + HCl = MgCl2 + H2O + Cl2 =>
MgO2 + 4 HCl = MgCl2 + 2 H2O + Cl2
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