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4 P + 5 O2 = 2 P2O5
HgS(s) = Hg(l) + S =>
HgS(s) = Hg(l) + S
(HCOO)2Zn + NaOH = HCOONa + Zn(OH)2 =>
(HCOO)2Zn + 2 NaOH = 2 HCOONa + Zn(OH)2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
H2NCH2COOH + O2 = CO2 + H2O + NH3 =>
2 H2NCH2COOH + 3 O2 = 4 CO2 + 2 H2O + 2 NH3
Cl + NaBr = NaCl + Br2 =>
2 Cl + 2 NaBr = 2 NaCl + Br2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Al2O3(s) + HCl(ac) = AlCl3 + H2O(l) =>
Al2O3(s) + 6 HCl(ac) = 2 AlCl3 + 3 H2O(l)
K5 = K =>
K5 = 5 K
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NO3NH4 + BaCl2 = Ba(NO3)2 + NH4Cl =>
2 NO3NH4 + BaCl2 = Ba(NO3)2 + 2 NH4Cl
(NH4)2S + Pb(NO3)4 = NH4(NO3) + PbS2 =>
2(NH4)2S + Pb(NO3)4 = 4 NH4(NO3) + PbS2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
N2H5{+} + HC2O4{-} = N2H4 + H2C2O4 =>
N2H5{+} + HC2O4{-} = N2H4 + H2C2O4
CuSO4*5H2O + O2 = CuSO4 + OH =>
2 CuSO4*5H2O + 5 O2 = 2 CuSO4 + 20 OH
AgNO2 + BaSO4 = Ag2SO4 + Ba(NO2)2 =>
2 AgNO2 + BaSO4 = Ag2SO4 + Ba(NO2)2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
MgAl + Ba(NO3)2 = Al2O3 + MgO + BaO + N2 =>
2 MgAl + Ba(NO3)2 = Al2O3 + 2 MgO + BaO + N2
C99H148O59N + O2 = CO2 + H2O + NH3 =>
4 C99H148O59N + 423 O2 = 396 CO2 + 290 H2O + 4 NH3
CH3COONa + H2O = CH3COOH + NaOH =>
CH3COONa + H2O = CH3COOH + NaOH
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Rb2Cr2O7 + H2SeO4 + H2Te = RbHSeO4 + Cr2(SeO4)3 + H2O + Te =>
Rb2Cr2O7 + 5 H2SeO4 + 3 H2Te = 2 RbHSeO4 + Cr2(SeO4)3 + 7 H2O + 3 Te
Fe + HNO3(razb) = Fe(NO3)3 + N2O + H2O =>
8 Fe + 30 HNO3(razb) = 8 Fe(NO3)3 + 3 N2O + 15 H2O
RbCl(s) + O2(g) = RbClO4(s) =>
RbCl(s) + 2 O2(g) = RbClO4(s)
CH3COONa + H2O = C2H6 + NaHCO3 + H2 =>
2 CH3COONa + 2 H2O = C2H6 + 2 NaHCO3 + H2
K(s) + CI(g) = KCI(s) =>
K(s) + CI(g) = KCI(s)
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
NaOH(s) + HCl(s) = H2O + NaCl =>
NaOH(s) + HCl(s) = H2O + NaCl
AgF + HCl = AgCl + HF =>
AgF + HCl = AgCl + HF
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
H2SO4 + NH4OH = H2NH4 + OHSO4 =>
H2SO4 + NH4OH = H2NH4 + OHSO4
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
Fe + HNO3(razb) = Fe(NO3)3 + N2O + H2O =>
8 Fe + 30 HNO3(razb) = 8 Fe(NO3)3 + 3 N2O + 15 H2O
BaCO3 + Cr2O3 = Ba(CrO2)2 + CO2 =>
BaCO3 + Cr2O3 = Ba(CrO2)2 + CO2
KCIO3 = KCIO4 + KCI =>
4 KCIO3 = 3 KCIO4 + KCI
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
C2H5COO{-} + Fe3O4 + H{+} = HCO3{-} + Fe{+2} + H2O =>
C2H5COO{-} + 7 Fe3O4 + 40 H{+} = 3 HCO3{-} + 21 Fe{+2} + 21 H2O
Fe + CuSO4H2O = Cu + FeSO4 + H2O =>
Fe + CuSO4H2O = Cu + FeSO4 + H2O
Na2S + NH3 = N2S3 + Na3H3 =>
3 Na2S + 2 NH3 = N2S3 + 2 Na3H3
Fe + S = (Fe)2S =>
2 Fe + S = (Fe)2S
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C2H2Cl4 + Zn = ZnCl2 + C2H2 =>
C2H2Cl4 + 2 Zn = 2 ZnCl2 + C2H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Fe(s) + H2SO4(ac) = Fe(SO4)2(s) + H2(g) =>
Fe(s) + 2 H2SO4(ac) = Fe(SO4)2(s) + 2 H2(g)
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