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2 HF + Ca(OH)2 = CaF2 + 2 H2O
C6H5NH2 + H2SO4 = C6H4NH2SO3H + H2O =>
C6H5NH2 + H2SO4 = C6H4NH2SO3H + H2O
NaCN + H2O = Na + OH + HCN =>
NaCN + H2O = Na + OH + HCN
FeBr2 + H2O = HBr + Fe(OH)2 =>
FeBr2 + 2 H2O = 2 HBr + Fe(OH)2
H2S + S2O = S + H2O =>
H2S + S2O = 3 S + H2O
FeBr2 + H2O = HBr + Fe(OH)2 =>
FeBr2 + 2 H2O = 2 HBr + Fe(OH)2
Mg + H2CrO4 = MgCrO4 + H =>
Mg + H2CrO4 = MgCrO4 + 2 H
KOH + H = KH + OH =>
KOH + H = KH + OH
ZnSO3 + HCl = ZnCl2 + SO2 + H2O =>
ZnSO3 + 2 HCl = ZnCl2 + SO2 + H2O
FeBr2 + H2O = HBr + Fe(OH)2 =>
FeBr2 + 2 H2O = 2 HBr + Fe(OH)2
CH4 + MgCl2 = MgH2 + CH3Cl =>
2 CH4 + MgCl2 = MgH2 + 2 CH3Cl
FeBr2 + H2O = HBr + Fe(OH)2 =>
FeBr2 + 2 H2O = 2 HBr + Fe(OH)2
Hg + Al2(SO4)3 = Hg2SO4 + Al =>
6 Hg + Al2(SO4)3 = 3 Hg2SO4 + 2 Al
Ac + O2 = Ac4O6 =>
4 Ac + 3 O2 = Ac4O6
CH3(C6H4(OH)COO) + H2O + FeCl3 = Fe(OH) + C6H4COOHCl + CH3OH =>
20 CH3(C6H4(OH)COO) + 2 H2O + 7 FeCl3 = 7 Fe(OH) + 21 C6H4COOHCl + 13 CH3OH
Mg + H2CrO4 = MgCrO4 + H2 =>
Mg + H2CrO4 = MgCrO4 + H2
Br + IO3 = BrO3 + I2 =>
2 Br + 2 IO3 = 2 BrO3 + I2
KOH + H = KH + OH =>
KOH + H = KH + OH
V2O5 + K2CO3 = K3VO4 + CO2 =>
V2O5 + 3 K2CO3 = 2 K3VO4 + 3 CO2
NaCl + HCl = Cl2 + NaH =>
NaCl + HCl = Cl2 + NaH
Hg2(OH)2 + Pb(NO3)2 = Hg2(NO3)2 + Pb(OH)2 =>
Hg2(OH)2 + Pb(NO3)2 = Hg2(NO3)2 + Pb(OH)2
Na2SO4 + CuCO3 = CuSO4 + Na2CO3 =>
Na2SO4 + CuCO3 = CuSO4 + Na2CO3
K2Cr2O7 + Na2S + H2O = Cr(OH)3 + Na2SO4 + KOH =>
4 K2Cr2O7 + 3 Na2S + 16 H2O = 8 Cr(OH)3 + 3 Na2SO4 + 8 KOH
C12H26 + O2 = H2O + CO =>
2 C12H26 + 25 O2 = 26 H2O + 24 CO
Ba + S = Ba9S6 =>
9 Ba + 6 S = Ba9S6
FeBr2 + H2O = FeOHBr + HBr =>
FeBr2 + H2O = FeOHBr + HBr
C8H18(l) + N2O(g) = CO2(g) + H2O(g) + N2(g) =>
C8H18(l) + 25 N2O(g) = 8 CO2(g) + 9 H2O(g) + 25 N2(g)
Cu(l) + Br2 = CuBr =>
2 Cu(l) + Br2 = 2 CuBr
HClO4(aq) + Ba(OH)2(aq) = Ba(ClO4)2(s) + H2O(l) =>
2 HClO4(aq) + Ba(OH)2(aq) = Ba(ClO4)2(s) + 2 H2O(l)
Pb(CH3CO2)2(aq) + NaI(aq) = PbI2(s) + NaCH3CO2(aq) =>
Pb(CH3CO2)2(aq) + 2 NaI(aq) = PbI2(s) + 2 NaCH3CO2(aq)
Zn + HNO2 = ZnNO2 + H2 =>
2 Zn + 2 HNO2 = 2 ZnNO2 + H2
NaNO2 + Na2S + H2SO4 = Na2SO4 + NO + H2O =>
8 NaNO2 + Na2S + 4 H2SO4 = 5 Na2SO4 + 8 NO + 4 H2O
HClO4(aq) + Ba(OH)2(aq) = Ba(ClO4)2(aq) + H2O(l) =>
2 HClO4(aq) + Ba(OH)2(aq) = Ba(ClO4)2(aq) + 2 H2O(l)
Fe + NO3 = Fe(NO3)3 =>
Fe + 3 NO3 = Fe(NO3)3
(CH3)3CCH2CH(CH3)2 + O2 = CO2 + H2O =>
2(CH3)3CCH2CH(CH3)2 + 25 O2 = 16 CO2 + 18 H2O
V + Cl2 = VCl4 =>
V + 2 Cl2 = VCl4
C7H15OH + O2 = CO2 + H2O =>
2 C7H15OH + 21 O2 = 14 CO2 + 16 H2O
Ca3(Po4)2 + H3Po4 = Ca(H2Po4)2 =>
Ca3(Po4)2 + 4 H3Po4 = 3 Ca(H2Po4)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
V + Cl2 = VCl3 =>
2 V + 3 Cl2 = 2 VCl3
C13H10O + NaBH4 = C13H12O + NaBH3 =>
C13H10O + 2 NaBH4 = C13H12O + 2 NaBH3
V + Cl2 = VCl =>
2 V + Cl2 = 2 VCl
ZnCl2 + CaCO3 = CaCl2 + ZnCO3 =>
ZnCl2 + CaCO3 = CaCl2 + ZnCO3
Rb + CrCl3 = Cr + RbCl =>
3 Rb + CrCl3 = Cr + 3 RbCl
LiOH + NH4NO3 = LiNO3 + NH3 + H2O =>
LiOH + NH4NO3 = LiNO3 + NH3 + H2O
H2 + CUO = H2O + CU =>
H2 + CUO = H2O + CU
NaOH + AgNo3 = AgOH + NaNo3 =>
NaOH + AgNo3 = AgOH + NaNo3
Cr + H{+} = H2 + Cr{+3} =>
2 Cr + 6 H{+} = 3 H2 + 2 Cr{+3}
K2O + CO = K2CO2 =>
K2O + CO = K2CO2
C6H5CH3(i) + O2(g) = H2O(i) + CO2(g) =>
C6H5CH3(i) + 9 O2(g) = 4 H2O(i) + 7 CO2(g)
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