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CaCO3(s) + H2O(l) = Ca(OH)2 + CO2
HCl + NaOH = NaCl + H2O* =>
HCl + NaOH = NaCl + H2O*
Ca3P2 + O2 = CaO + PO =>
2 Ca3P2 + 5 O2 = 6 CaO + 4 PO
CH4I = CH3HI =>
CH4I = CH3HI
MgCl2 + Li(OH) = Li2Cl2 + Mg(OH)2 =>
MgCl2 + 2 Li(OH) = Li2Cl2 + Mg(OH)2
CH(g) + O2(g) = CO2(g) + H2O(l) =>
4 CH(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
CO2 + H2 = CH4 + H2O =>
CO2 + 4 H2 = CH4 + 2 H2O
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
NH3 + Cu(NO3)2 = Cu(NH3)4 + (NO3)2 =>
4 NH3 + Cu(NO3)2 = Cu(NH3)4 + (NO3)2
HIO3 + HCl = ICl3 + Cl2 + H2O =>
HIO3 + 5 HCl = ICl3 + Cl2 + 3 H2O
MnO4 + C6H12O6 = Mn + CO2 + H2O =>
3 MnO4 + C6H12O6 = 3 Mn + 6 CO2 + 6 H2O
NaH + CO2 = HCOONa =>
NaH + CO2 = HCOONa
Cu + FeCl3 = CuCl2 + Fe =>
3 Cu + 2 FeCl3 = 3 CuCl2 + 2 Fe
NH3 + O = NO + H2O =>
2 NH3 + 5 O = 2 NO + 3 H2O
SnCl4 + O2 = SnO + Cl2 =>
2 SnCl4 + O2 = 2 SnO + 4 Cl2
C6H6 + C2H5Cl = C7H10 + HCl =>
4 C6H6 + 9 C2H5Cl = 6 C7H10 + 9 HCl
C2H4O + H2O = HOCH2CH2OH =>
C2H4O + H2O = HOCH2CH2OH
CaCl2(aq) + K3PO4(aq) = CaPO4 + K3Cl2 =>
CaCl2(aq) + K3PO4(aq) = CaPO4 + K3Cl2
IO = I + IO3 =>
3 IO = 2 I + IO3
(NH4)2CO3 + Br2 = NH4Br + CO3 =>
(NH4)2CO3 + Br2 = 2 NH4Br + CO3
NaF + Th(NO3)4 = NaNO3 + ThF4 =>
4 NaF + Th(NO3)4 = 4 NaNO3 + ThF4
C2H4 + HCl + O2 = C2H3Cl + H2O =>
2 C2H4 + 2 HCl + O2 = 2 C2H3Cl + 2 H2O
SCl2 + AgNO3 = S(NO3)2 + AgCl =>
SCl2 + 2 AgNO3 = S(NO3)2 + 2 AgCl
Cu(s) + H2SO4 = CuSO4 + SO2(g) + H2O =>
Cu(s) + 2 H2SO4 = CuSO4 + SO2(g) + 2 H2O
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
Ag(NO3) + K2CrO4 = Ag2(CrO4) + KNO3 =>
2 Ag(NO3) + K2CrO4 = Ag2(CrO4) + 2 KNO3
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Cu(NO3)2 + Na3PO4 = CuPO4 + Na3(NO3)2 =>
Cu(NO3)2 + Na3PO4 = CuPO4 + Na3(NO3)2
Ba(NO3)2 + NaHCO3 = BaHCO3 + Na(NO3)2 =>
Ba(NO3)2 + NaHCO3 = BaHCO3 + Na(NO3)2
NaNo3 + PBO = PB(No3)2 + Na2O =>
2 NaNo3 + PBO = PB(No3)2 + Na2O
CuBr2 + AlCl3 = CuCl2 + AlBr3 =>
3 CuBr2 + 2 AlCl3 = 3 CuCl2 + 2 AlBr3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KGrO2 + H2O2 + KOH = K2GrO4 + H2O =>
2 KGrO2 + 3 H2O2 + 2 KOH = 2 K2GrO4 + 4 H2O
HNO3 + H2SO4 = NO2{+} + HSO4{-} + H3O{+} =>
HNO3 + 2 H2SO4 = NO2{+} + 2 HSO4{-} + H3O{+}
H2 + SO4 + Fe(OH)3 = Fe2(SO4)3 + H2O =>
3 H2 + 3 SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
C5H12(l) + O2 = CO2 + H2O =>
C5H12(l) + 8 O2 = 5 CO2 + 6 H2O
Cu(s) + H2SO4 = CuSO4(aq) + SO2(g) + H2O(l) =>
Cu(s) + 2 H2SO4 = CuSO4(aq) + SO2(g) + 2 H2O(l)
KNO3 + C = K2CO3 + CO + N =>
2 KNO3 + 4 C = K2CO3 + 3 CO + 2 N
Cu(OH)2 + H2CO3 = CuCO3 + HOH =>
Cu(OH)2 + H2CO3 = CuCO3 + 2 HOH
SrCl2 + Na2O = SrO + NaCl =>
SrCl2 + Na2O = SrO + 2 NaCl
Na2CO3 + Ag(NO3)3 = Ag2(CO3)3 + NaNO3 =>
3 Na2CO3 + 2 Ag(NO3)3 = Ag2(CO3)3 + 6 NaNO3
Zn(OH)2 + H2CrO4 = Zn2(CrO4)2 + H2O =>
2 Zn(OH)2 + 2 H2CrO4 = Zn2(CrO4)2 + 4 H2O
P + S = PS =>
P + S = PS
Pb(NO3)2 + Cl = PbCl2 + NO3 =>
Pb(NO3)2 + 2 Cl = PbCl2 + 2 NO3
C2H5OH + H2O2 = H2O + CO =>
C2H5OH + 4 H2O2 = 7 H2O + 2 CO
C + HCl = CH + Cl =>
C + HCl = CH + Cl
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
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