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Ca(s) + 2 HCl(aq) = Ca(Cl)2(aq) + H2(g)
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
Na2CO3 + HNO3 = NaNO3 + H2O + CO2 =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + H2O + CO2
H3PO3 + NH4Cl + CH2O = C3H12NO9P3 + HCl + H2O =>
3 H3PO3 + NH4Cl + 3 CH2O = C3H12NO9P3 + HCl + 3 H2O
CuF2*2H2O = CuF*H2O + HOF + H2O + HF =>
2 CuF2*2H2O = 2 CuF*H2O + HOF + H2O + HF
CAO + AL = CA(ALO2)2 + CA =>
4 CAO + 2 AL = CA(ALO2)2 + 3 CA
KCrO2 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 KCrO2 + 3 Br2 + 8 KOH = 2 K2CrO4 + 6 KBr + 4 H2O
CH3COOC2H6 + NaOH = CH3COONa + C2H5OH =>
4 CH3COOC2H6 + 3 NaOH = 3 CH3COONa + 5 C2H5OH
CS2 + NH3 = NH4SCN + H2S =>
CS2 + 2 NH3 = NH4SCN + H2S
Zn + H2S2O7 = ZnSO4 + H2S + H2O =>
8 Zn + 5 H2S2O7 = 8 ZnSO4 + 2 H2S + 3 H2O
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
C10H22 + O2 = CO2 + H20 =>
10 C10H22 + 100 O2 = 100 CO2 + 11 H20
M(OH)2 + HCl = MCl2 + H2O =>
M(OH)2 + 2 HCl = MCl2 + 2 H2O
CaO + Al = Ca(AlO2)2 + Ca =>
4 CaO + 2 Al = Ca(AlO2)2 + 3 Ca
B + HNO3 = H3BO3 + NO2 =>
B + 3 HNO3 = H3BO3 + 3 NO2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Al(OH)3 + Ba(NO3)2 = Al(NO3)3 + Ba(OH)2 =>
2 Al(OH)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 Ba(OH)2
AL(OH)3 + NaOH = Na3ALO3 + H2O =>
AL(OH)3 + 3 NaOH = Na3ALO3 + 3 H2O
CuF2*2H2O = Cu2OHF3 + H2O + HF =>
2 CuF2*2H2O = Cu2OHF3 + 3 H2O + HF
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeS2 + HNO3 = Fe(NO3)3 + NO2 + H2SO4 + H2O =>
FeS2 + 18 HNO3 = Fe(NO3)3 + 15 NO2 + 2 H2SO4 + 7 H2O
Cr2(SO4)3 + NaOH + Cl2 = NaCl + NaCrO4 + NaSO4 + H2O =>
2 Cr2(SO4)3 + 32 NaOH + 11 Cl2 = 22 NaCl + 4 NaCrO4 + 6 NaSO4 + 16 H2O
K2CO3 + HCl = KCl + H2O + CO2 =>
K2CO3 + 2 HCl = 2 KCl + H2O + CO2
C3H7COOH + O2 = CO2 + H2O =>
C3H7COOH + 5 O2 = 4 CO2 + 4 H2O
C8H10 + KMnO4 + H2SO4 = C6H4(COOH)2 + K2SO4 + MnSO4 + H2O =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C6H4(COOH)2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
ZnSO4 + Mg = MgSO4 + Zn =>
ZnSO4 + Mg = MgSO4 + Zn
Al(s) + HCl(aq) = Al(Cl)3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 Al(Cl)3(aq) + 3 H2(g)
C3H7COOH + O2 = CO2 + H2O =>
C3H7COOH + 5 O2 = 4 CO2 + 4 H2O
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
C2H2 + O2 = CO2 + H20 =>
10 C2H2 + 20 O2 = 20 CO2 + H20
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
K2Cr2O7 + HCl = KCl + CrCl2 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl2 + 7 H2O + 4 Cl2
Zn + Cl2 = ZnCl2 =>
Zn + Cl2 = ZnCl2
ZN + O2 = ZNO =>
2 ZN + O2 = 2 ZNO
NaOH + BaCl2 = Ba(OH)2 + NaCl =>
2 NaOH + BaCl2 = Ba(OH)2 + 2 NaCl
NaAlO2 + NH4Cl + H2O = Al(OH)3 + NaCl + NH3 =>
NaAlO2 + NH4Cl + H2O = Al(OH)3 + NaCl + NH3
Ca + Cl = CaCl =>
Ca + Cl = CaCl
C + O2 = CO2 =>
C + O2 = CO2
Be(OH)2 + NaOH = Na2BeO2 + H2O =>
Be(OH)2 + 2 NaOH = Na2BeO2 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Sb2 + Cl2 = SbCl3 =>
Sb2 + 3 Cl2 = 2 SbCl3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
SO2 + NaBrO3 + H2O = Br2 + Na2SO4 + H2SO4 =>
5 SO2 + 2 NaBrO3 + 4 H2O = Br2 + Na2SO4 + 4 H2SO4
H2S + KClO3 = H2SO4 + KCl =>
3 H2S + 4 KClO3 = 3 H2SO4 + 4 KCl
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