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Ca(HCO3)2 = CaCO3 + H2O + CO2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Ba + CO3 = BaCO3 =>
Ba + CO3 = BaCO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
PtO2 + H2 = Pt + H2O =>
PtO2 + 2 H2 = Pt + 2 H2O
KNO3 = KNO2 + O =>
KNO3 = KNO2 + O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Zn + NO2{-} + OH{-} + H2O = [Zn(OH)4]{-} + NH3 =>
2 Zn + NO2{-} + OH{-} + 5 H2O = 2[Zn(OH)4]{-} + NH3
Zn(NO3)2(aq) + Na2C2O4(aq) = ZnC2O4(s) + NaNO3(aq) =>
Zn(NO3)2(aq) + Na2C2O4(aq) = ZnC2O4(s) + 2 NaNO3(aq)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu3(PO4)2 + H2SO4 = CuSO4 + H3PO4 =>
Cu3(PO4)2 + 3 H2SO4 = 3 CuSO4 + 2 H3PO4
Cr + PB{2+} = PB + Cr{3+} =>
2 Cr + 3 PB{2+} = 3 PB + 2 Cr{3+}
C12H22O11 + H2O = CO2 + CH3CH3OH =>
13 C12H22O11 + 25 H2O = 60 CO2 + 48 CH3CH3OH
SnO + H2NO3 = H2O + SnNO3 =>
SnO + H2NO3 = H2O + SnNO3
CaCO3 + HCl = CaCl2 + H2O + CO2(classification) =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2(classification)
SiO + N2 = Si + NO2 =>
4 SiO + N2 = 4 Si + 2 NO2
Na2HPO3 + Al(OH)3 = NaOH + Al2(HPO3)3 =>
3 Na2HPO3 + 2 Al(OH)3 = 6 NaOH + Al2(HPO3)3
Zn + NaOH = ZnNaOH =>
Zn + NaOH = ZnNaOH
NaI + Mg(ClO3)2 = MgI2 + NaClO3 =>
2 NaI + Mg(ClO3)2 = MgI2 + 2 NaClO3
Fe + H2SO4 = Fe2(SO4)3 + H32 =>
32 Fe + 48 H2SO4 = 16 Fe2(SO4)3 + 3 H32
Ca(OH)2 + Cu(No3)2 = Ca(No3)2 + Cu(OH)2 =>
Ca(OH)2 + Cu(No3)2 = Ca(No3)2 + Cu(OH)2
LiOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(s) + LiNO3(aq) =>
3 LiOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(s) + 3 LiNO3(aq)
P2O5 + C2 = P4 + CO =>
2 P2O5 + 5 C2 = P4 + 10 CO
Bi2(SO4)3 + NH4OH = (NH4)2SO4 + Bi(OH)3 =>
Bi2(SO4)3 + 6 NH4OH = 3(NH4)2SO4 + 2 Bi(OH)3
CI2 + Br2 = CBr4 + I2 =>
CI2 + 2 Br2 = CBr4 + I2
C14H10O2 + NaBH4 + C2H6O = C14H14O2 + (OC2H5)4BNa =>
2 C14H10O2 + NaBH4 + 4 C2H6O = 2 C14H14O2 + (OC2H5)4BNa
C8N8O16 = N2(g) + CO2(g) =>
C8N8O16 = 4 N2(g) + 8 CO2(g)
Na3[Al(OH)6] + HCl = AlCl3 + H2O + NaCl =>
Na3[Al(OH)6] + 6 HCl = AlCl3 + 6 H2O + 3 NaCl
C2H6O + O = CO2 + H2O =>
C2H6O + 6 O = 2 CO2 + 3 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
BeI2 = Be + I2 =>
BeI2 = Be + I2
LiOF = LiF + O2 =>
2 LiOF = 2 LiF + O2
KMnO4 + NaNO2 + H2O = KOH + MnO2 + NaNO3 =>
2 KMnO4 + 3 NaNO2 + H2O = 2 KOH + 2 MnO2 + 3 NaNO3
C6H5NH2 = C + H + N =>
C6H5NH2 = 6 C + 7 H + N
SrO + CrO3 = SrCrO4 =>
SrO + CrO3 = SrCrO4
AgNO3 + Na2S = Ag2S + NaNO3 =>
2 AgNO3 + Na2S = Ag2S + 2 NaNO3
CS2(l) + NH3(g) = H2S(g) + NH4SCN(s) =>
CS2(l) + 2 NH3(g) = H2S(g) + NH4SCN(s)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CaCO3 + (NH4)2C2O4 = CaC2O4 + (NH4)2CO3 =>
CaCO3 + (NH4)2C2O4 = CaC2O4 + (NH4)2CO3
C4H8(OH)2 + H2O2 = C4H6O2 + H2O =>
C4H8(OH)2 + 2 H2O2 = C4H6O2 + 4 H2O
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
SrCr2O7 + Cs = CsCr2O7 + Sr =>
SrCr2O7 + Cs = CsCr2O7 + Sr
S + KOH = K2S + H2O + K2SO3 =>
3 S + 6 KOH = 2 K2S + 3 H2O + K2SO3
Na2HPO3 + Al(OH)3 = NaOH + Al2(HPO3)3 =>
3 Na2HPO3 + 2 Al(OH)3 = 6 NaOH + Al2(HPO3)3
S2F2 = S8 + SF4 =>
16 S2F2 = 3 S8 + 8 SF4
HI + (NH4)2S = H2S + (NH4)I =>
2 HI + (NH4)2S = H2S + 2(NH4)I
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