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Ca + 2 HCl = CaCl2 + H2
Zu(CH3COO)2 + NaOH = Zu(OH)2 + NaCH3COO =>
Zu(CH3COO)2 + 2 NaOH = Zu(OH)2 + 2 NaCH3COO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CO2 + NaOH = H2O + Na2CO3 =>
CO2 + 2 NaOH = H2O + Na2CO3
Na + SO3 = Na2O + S8 =>
48 Na + 8 SO3 = 24 Na2O + S8
Al2(CO3)3(s) = Al2O3(s) + CO2(g) =>
Al2(CO3)3(s) = Al2O3(s) + 3 CO2(g)
C2H4Br2C2H4(OH)2 = C2BrH5O =>
C2H4Br2C2H4(OH)2 = 2 C2BrH5O
HBr + C2H2 = C2H4 + Br =>
2 HBr + C2H2 = C2H4 + 2 Br
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
BaCrO4 + HC2H3O2 = Ba + CrO7 + C2H3O + H2O =>
BaCrO4 + 6 HC2H3O2 = Ba + CrO7 + 6 C2H3O + 3 H2O
C2H5OH + C2H2O4 = C4H6O2 + H2O =>
7 C2H5OH + 3 C2H2O4 = 5 C4H6O2 + 9 H2O
Ca(CN)2 + H2O = NH3 + CaCO3 + H2 + CO2 =>
Ca(CN)2 + 5 H2O = 2 NH3 + CaCO3 + 2 H2 + CO2
CH3CH(OH)CH3 + KMnO4 + H2SO4 = CH3C(O)CH3 + K2SO4 + H2O + MnSO4 =>
5 CH3CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3C(O)CH3 + K2SO4 + 8 H2O + 2 MnSO4
C4H9Br + KOH = KBr + C4H9OH =>
C4H9Br + KOH = KBr + C4H9OH
Al(s) + HF(g) = AlF3(s) + H2(g) =>
2 Al(s) + 6 HF(g) = 2 AlF3(s) + 3 H2(g)
CaCO3 + LiCl = CaCl2 + CO3Li2 =>
CaCO3 + 2 LiCl = CaCl2 + CO3Li2
Ca(OH)2 + H2CO3 = Ca(HCO3)2 + H2O =>
Ca(OH)2 + 2 H2CO3 = Ca(HCO3)2 + 2 H2O
KOH + AgCH3COO = Ag2O + KCH3COO + H2O =>
2 KOH + 2 AgCH3COO = Ag2O + 2 KCH3COO + H2O
Na2SO4 + Ba(NO3)2 = BaSO4 + NaNO3 =>
Na2SO4 + Ba(NO3)2 = BaSO4 + 2 NaNO3
CuS + NaOH = CuOH + NaS =>
CuS + NaOH = CuOH + NaS
ZnO + HBr = ZnBr2 + H2O =>
ZnO + 2 HBr = ZnBr2 + H2O
(NH4)2SO4 + KOH = K2SO4 + NH4OH = H2O + NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = K2SO4 + 2 NH4OH
AgNO3(s) = Ag(s) + NO2(g) + O2(g) =>
2 AgNO3(s) = 2 Ag(s) + 2 NO2(g) + O2(g)
ZnO + HBr = ZnBr2 + H2O =>
ZnO + 2 HBr = ZnBr2 + H2O
CaCO3 + LiCl = CaCl2 + Li2CO3 =>
CaCO3 + 2 LiCl = CaCl2 + Li2CO3
AlCl3(aq) + NH3(aq) + H2O(l) = Al(OH)3(s) + NH4Cl =>
AlCl3(aq) + 3 NH3(aq) + 3 H2O(l) = Al(OH)3(s) + 3 NH4Cl
NiCl2 + O2 = Cl2O + NiO =>
NiCl2 + O2 = Cl2O + NiO
Co + Cl2 = Co2Cl3 =>
4 Co + 3 Cl2 = 2 Co2Cl3
K + Fe(SO4) = K2(SO4) + Fe =>
2 K + Fe(SO4) = K2(SO4) + Fe
R + S = RS =>
R + S = RS
FeCl2 + K2S = FeS + KCl =>
FeCl2 + K2S = FeS + 2 KCl
Cu(NO3)2(aq) + NaOH(aq)*25H2O(l) = Cu(OH)2(s) + NaNO3(aq) + H2O =>
Cu(NO3)2(aq) + 2 NaOH(aq)*25H2O(l) = Cu(OH)2(s) + 2 NaNO3(aq) + 50 H2O
NaOCl + H2O2 = NaCl + HO2 =>
2 NaOCl + H2O2 = 2 NaCl + 2 HO2
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
CaCl2 + H2O = CaOHCl + HCl =>
CaCl2 + H2O = CaOHCl + HCl
BaS + HCl = BaCl2 + S + H =>
BaS + 2 HCl = BaCl2 + S + 2 H
Na2O + S = SO2 + Na =>
2 Na2O + S = SO2 + 4 Na
CaBr2 + Cl2 = CaCl2 + BrCl =>
CaBr2 + 2 Cl2 = CaCl2 + 2 BrCl
CuO2 + H2 = Cu + H2O =>
CuO2 + 2 H2 = Cu + 2 H2O
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
HBrAgNO3 = AgBrHNO3 =>
HBrAgNO3 = AgBrHNO3
C4H4(g) + O2(g) = CO2(g) + H2O(l) =>
C4H4(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
C3H4O3 = C2H4O + CO2 =>
C3H4O3 = C2H4O + CO2
Rn + F2 = RnF6 =>
Rn + 3 F2 = RnF6
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Rn + F2 = RnF6 =>
Rn + 3 F2 = RnF6
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
C2H7 + O2 = CO2 + H2O =>
4 C2H7 + 15 O2 = 8 CO2 + 14 H2O
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