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5 Ca7 + 21 Cl2 = 7 Ca5Cl6
CH3Br + CH3ONa = NaBr + CH3CH2OH =>
CH3Br + CH3ONa = NaBr + CH3CH2OH
CH3CH2NH2 + CH3COOH = CH3CH2NH3OOCH3C =>
CH3CH2NH2 + CH3COOH = CH3CH2NH3OOCH3C
Na2SO4 + C = Na2S + CO2 = HCl =>
Na2SO4 + 2 C = Na2S + 2 CO2
H2O + CO2 = HC2 + O =>
H2O + 4 CO2 = 2 HC2 + 9 O
CaSO4 + NaOH(aq) = Ca(OH)2 + Na2SO4(aq) =>
CaSO4 + 2 NaOH(aq) = Ca(OH)2 + Na2SO4(aq)
KJO3 + KJ + H2SO4 = J2 + K2SO4 + H2O =>
KJO3 + 5 KJ + 3 H2SO4 = 3 J2 + 3 K2SO4 + 3 H2O
Al(NO3)3 + Li2S = Al2S3 + Li(NO3) =>
2 Al(NO3)3 + 3 Li2S = Al2S3 + 6 Li(NO3)
Na2S + O3 + HCl = NaCl + H2O + SO2 =>
Na2S + O3 + 2 HCl = 2 NaCl + H2O + SO2
D = D2 =>
2 D = D2
[SnCl4]{2-} + S{2-} = SnS + Cl{-} =>
[SnCl4]{2-} + S{2-} = SnS + 4 Cl{-}
CH3OH = C2H5OH + H2O =>
2 CH3OH = C2H5OH + H2O
Mg3(PO4)2 + ZnS = MgS + Zn3(PO4)2 =>
Mg3(PO4)2 + 3 ZnS = 3 MgS + Zn3(PO4)2
NaClO + H2O = Na2O + H2(ClO)2 =>
2 NaClO + H2O = Na2O + H2(ClO)2
FeSO4 + H2O = FeO + H2SO4 =>
FeSO4 + H2O = FeO + H2SO4
Ba + SO4 = Ba(SO4)2 =>
Ba + 2 SO4 = Ba(SO4)2
FeO + HCl + H2O = [Fe(H2O4)6]Cl2 + H2 =>
FeO + 2 HCl + 23 H2O = [Fe(H2O4)6]Cl2 + 18 H2
NaCl2(aq) + CaNO3(aq) = NaNO3 + CaCl2 =>
NaCl2(aq) + CaNO3(aq) = NaNO3 + CaCl2
C57H102O6 + O2 = CO2 + H2O =>
2 C57H102O6 + 159 O2 = 114 CO2 + 102 H2O
CuSO4*5H2O + KOH = Cu(OH)2 + K2SO4 + H2O =>
CuSO4*5H2O + 2 KOH = Cu(OH)2 + K2SO4 + 5 H2O
HCl + Mg(OH)2 + Al(OH)3 = Cl + Mg(OH2)5 + Al =>
5 HCl + Mg(OH)2 + Al(OH)3 = 5 Cl + Mg(OH2)5 + Al
KI = K + I2 =>
2 KI = 2 K + I2
Na2S4O + KMnO4 + HCl = Na2SO4 + H2SO4 + MnCl2 + KCl + H2O =>
5 Na2S4O + 24 KMnO4 + 72 HCl = 5 Na2SO4 + 15 H2SO4 + 24 MnCl2 + 24 KCl + 21 H2O
HCOOH + Fe = COOHFe + H =>
HCOOH + Fe = COOHFe + H
NaBr + AgNO3 = AgNa + BrNO3 =>
NaBr + AgNO3 = AgNa + BrNO3
BaSO4 + CaCO3 = BaCO3 + CaSO4 =>
BaSO4 + CaCO3 = BaCO3 + CaSO4
KI + Ph(NO3)2 = PhI2 + KNO3 =>
2 KI + Ph(NO3)2 = PhI2 + 2 KNO3
FeCl3 + KHCO3 = Fe(OH)3 + CO2 + KCl =>
FeCl3 + 3 KHCO3 = Fe(OH)3 + 3 CO2 + 3 KCl
Ca(OH)2(aq) + H3PO4 = H2O(l) + Ca3(PO4)2 =>
3 Ca(OH)2(aq) + 2 H3PO4 = 6 H2O(l) + Ca3(PO4)2
CaCl + HNO3 = CaNO3 + HCl =>
CaCl + HNO3 = CaNO3 + HCl
PbS + Na2SiO4 = Pb + Na2S + Si + O =>
PbS + Na2SiO4 = Pb + Na2S + Si + 4 O
Na3(PO4) + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3(PO4) + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
Fe + O2 = Fe3O =>
6 Fe + O2 = 2 Fe3O
Ae + H2SO4 = Ae2(SO4)3 + H2 =>
2 Ae + 3 H2SO4 = Ae2(SO4)3 + 3 H2
C6H12O6 + O2 = CO2(g) + H2O(g) =>
C6H12O6 + 6 O2 = 6 CO2(g) + 6 H2O(g)
Co(NO3)2 + Na2CO3 = CoCO3 + NaNO3 =>
Co(NO3)2 + Na2CO3 = CoCO3 + 2 NaNO3
Na2Cr2O7 + H2SO4 = H2Cr2O7 + Na2SO4 =>
Na2Cr2O7 + H2SO4 = H2Cr2O7 + Na2SO4
Br + H2SO4 = Br2SO4 + H2 =>
2 Br + H2SO4 = Br2SO4 + H2
Al + HCOOH = Al(COOH)2 + H2 =>
Al + 2 HCOOH = Al(COOH)2 + H2
NH2CH2COONa + NaOH = NH2CH3 + Na2CO3 =>
NH2CH2COONa + NaOH = NH2CH3 + Na2CO3
Sn + K2CrO7 + H2SO4 = Sn(SO4)2 + K2SO4 + Cr2(SO4)3 + H2O =>
9 Sn + 4 K2CrO7 + 28 H2SO4 = 9 Sn(SO4)2 + 4 K2SO4 + 2 Cr2(SO4)3 + 28 H2O
FeI2(aq) + Mg(s) = MgI2(aq) + Fe(s) =>
FeI2(aq) + Mg(s) = MgI2(aq) + Fe(s)
Br + H2SO4 = HBr + SO4 =>
2 Br + H2SO4 = 2 HBr + SO4
Be3 + B2 = Be4B =>
8 Be3 + 3 B2 = 6 Be4B
Ag*Br = Ag + Br2 =>
2 Ag*Br = 2 Ag + Br2
Br + H2SO4 = BrSO4 + H2 =>
Br + H2SO4 = BrSO4 + H2
K2[Zn(OH)4] + CO2 = KHCO3 + Zn(OH)2 =>
K2[Zn(OH)4] + 2 CO2 = 2 KHCO3 + Zn(OH)2
NH4(aq) + NaOH(aq) = NH3(aq) + H2O(l) + Na(aq) =>
NH4(aq) + NaOH(aq) = NH3(aq) + H2O(l) + Na(aq)
K2SO3 + HCl = SO2 + KCl + H2O =>
K2SO3 + 2 HCl = SO2 + 2 KCl + H2O
F + AlI3 = I + AlF3 =>
3 F + AlI3 = 3 I + AlF3
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