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2 Ca + 2 HCl = 2 CaCl1 + H2
Na3 = Na19 =>
19 Na3 = 3 Na19
PbCrO4 + NH4OH = Pb(OH)4 + (NH4)4CrO4 =>
PbCrO4 + 4 NH4OH = Pb(OH)4 + (NH4)4CrO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Ba(OH)2 + NH3 = Ba(NH2)2 + H2O =>
Ba(OH)2 + 2 NH3 = Ba(NH2)2 + 2 H2O
Br2 + Na = NaBr =>
Br2 + 2 Na = 2 NaBr
Na2O + Ca(OH)2 = CaO + NaOH =>
Na2O + Ca(OH)2 = CaO + 2 NaOH
C2H5OH + Cu = C2H3OHCu + H2 =>
C2H5OH + Cu = C2H3OHCu + H2
C2H4Cl2(l) + Na2CO3(s) + H2O(l) = C2H6O2(l) + NaCl(aq) + CO2(g) =>
C2H4Cl2(l) + Na2CO3(s) + H2O(l) = C2H6O2(l) + 2 NaCl(aq) + CO2(g)
Na2SO4 + NaCl = ClSO4 + Na =>
Na2SO4 + NaCl = ClSO4 + 3 Na
FeCl5 + NaOH = Fe(OH)5 + NaCl =>
FeCl5 + 5 NaOH = Fe(OH)5 + 5 NaCl
NH3 + Cl2 = NH4Cl + N2 =>
8 NH3 + 3 Cl2 = 6 NH4Cl + N2
KClO3 + HCl = HClO + KCl =>
KClO3 + 3 HCl = 3 HClO + KCl
SO2 = S + O2 =>
SO2 = S + O2
HCOOHK2CO3 = HCOOCO2K2OH =>
HCOOHK2CO3 = HCOOCO2K2OH
Fe + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
Ba(OH)2 + CO3 = BaCO3 + (OH)2 =>
Ba(OH)2 + CO3 = BaCO3 + (OH)2
NaCl + AgBr = NaBr + AgCl =>
NaCl + AgBr = NaBr + AgCl
Rb(OH)2 + FeCl3 = RbCl3 + Fe(OH)2 =>
Rb(OH)2 + FeCl3 = RbCl3 + Fe(OH)2
HgH2O = HgOH2 =>
HgH2O = HgOH2
SiO2 + Ca(OH)2 = CaSiO3 + H2O =>
SiO2 + Ca(OH)2 = CaSiO3 + H2O
CH3OH + O = CO2 + H2O =>
CH3OH + 3 O = CO2 + 2 H2O
BeOCO2 = BeCO3 =>
BeOCO2 = BeCO3
CHCOOHCuO = Cu(CHCOO)HO =>
CHCOOHCuO = Cu(CHCOO)HO
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
B2 = B =>
B2 = 2 B
Fe + ZnSO4 = Fe2(SO4)3 + Zn =>
2 Fe + 3 ZnSO4 = Fe2(SO4)3 + 3 Zn
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
H2SeO4 + Zn = ZnSeO4 + H2 =>
H2SeO4 + Zn = ZnSeO4 + H2
CH4 + O2 = CHOH + H2O =>
CH4 + O2 = CHOH + H2O
CaO2 + H2O = CaO3H2 =>
CaO2 + H2O = CaO3H2
CU(NO3)2 + LiOH = CU(OH)2 + LiNO3 =>
CU(NO3)2 + 2 LiOH = CU(OH)2 + 2 LiNO3
K2SO3 + AgNo3 = Ag2SO3 + KNo3 =>
K2SO3 + 2 AgNo3 = Ag2SO3 + 2 KNo3
C3H6 + O2(g) = CO2(g) + H2O(l) =>
2 C3H6 + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
Na3 = Na19 =>
19 Na3 = 3 Na19
NaOH + Ca(HSO3)2 = CaSO3 + Na2SO3 + H2O =>
2 NaOH + Ca(HSO3)2 = CaSO3 + Na2SO3 + 2 H2O
H2SO4 = H2O + O2 + SO2 =>
2 H2SO4 = 2 H2O + O2 + 2 SO2
C3H6 + O2(g) = CO2(g) + H2O(g) =>
2 C3H6 + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
RbOH + SiO2 = Rb2SiO3 + H2O =>
2 RbOH + SiO2 = Rb2SiO3 + H2O
C3H6 + O2(g) = CO2(g) + H2O =>
2 C3H6 + 9 O2(g) = 6 CO2(g) + 6 H2O
C4H8H2 = C4H10 =>
C4H8H2 = C4H10
Al + O2 + H2 = Al(OH)3 =>
2 Al + 3 O2 + 3 H2 = 2 Al(OH)3
CoBr2 + Zn = Co + ZnBr2 =>
CoBr2 + Zn = Co + ZnBr2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Cr + NaOH + H2O = NaCrO3 + H2 =>
2 Cr + 2 NaOH + 4 H2O = 2 NaCrO3 + 5 H2
NaHCO3 + HBr = NaBr + H2CO3 =>
NaHCO3 + HBr = NaBr + H2CO3
Fe + CuSO4(aq) = Fe2(SO4)3(aq) + Cu(s) =>
2 Fe + 3 CuSO4(aq) = Fe2(SO4)3(aq) + 3 Cu(s)
CaO + H2O2 = CaO2 + H2O =>
CaO + H2O2 = CaO2 + H2O
Ca(OH)2CO2 = CaCO3H2O(l) =>
Ca(OH)2CO2 = CaCO3H2O(l)
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