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4 Ta + 5 O2 = 2 Ta2O5
I2 + HNO3 = HIO3* + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3* + 10 NO2 + 4 H2O
HCHO + O2 = HCOOH =>
2 HCHO + O2 = 2 HCOOH
Ag + CaCo3 = Ca + Ag2Co3 =>
2 Ag + CaCo3 = Ca + Ag2Co3
SiO2 + HNO3 = SiO(NO3)2 + H2O =>
SiO2 + 2 HNO3 = SiO(NO3)2 + H2O
HNO3 + HCl + Zn = ZnCl2 + H2O + NH4Cl =>
HNO3 + 9 HCl + 4 Zn = 4 ZnCl2 + 3 H2O + NH4Cl
CuSO4(H2O)5 + NaOH + C6H12O6 = Cu2O + Na2SO4 + C6H12O7 + H2O =>
2 CuSO4(H2O)5 + 4 NaOH + C6H12O6 = Cu2O + 2 Na2SO4 + C6H12O7 + 12 H2O
Cu2O(s) = Cu(g) + O2(g) =>
2 Cu2O(s) = 4 Cu(g) + O2(g)
NaC1 + O2 = NaC1O3 =>
2 NaC1 + 3 O2 = 2 NaC1O3
KOH + BaSO4 = Ba(OH)2 + K2SO4 =>
2 KOH + BaSO4 = Ba(OH)2 + K2SO4
SrSO4 + H2O = SrO + H2SO4 =>
SrSO4 + H2O = SrO + H2SO4
Ag(s) + HCl(aq) = AgCl + H2 =>
2 Ag(s) + 2 HCl(aq) = 2 AgCl + H2
BaCl2 + H = HCl + Ba =>
BaCl2 + 2 H = 2 HCl + Ba
H2SO4 + KJ = J2 + H2S + K2SO4 + H2O =>
5 H2SO4 + 8 KJ = 4 J2 + H2S + 4 K2SO4 + 4 H2O
Cr + NaOH = CrNa3 + H2O2 =>
2 Cr + 6 NaOH = 2 CrNa3 + 3 H2O2
KOH + KMnO4 + SO2 = H2O + K2SO4 + MnO2 =>
4 KOH + 2 KMnO4 + 3 SO2 = 2 H2O + 3 K2SO4 + 2 MnO2
CaO + Al = Ca3Al2O6 + Ca =>
6 CaO + 2 Al = Ca3Al2O6 + 3 Ca
Ca(OH)2 + N2O5 = Ca(NO3)2 + H2O =>
Ca(OH)2 + N2O5 = Ca(NO3)2 + H2O
NaNO3 + K2CO3 = K2Na + NO3CO3 =>
NaNO3 + K2CO3 = K2Na + NO3CO3
NaHSO4 + NH4OH = NaOH + HSO4 + NH4 =>
NaHSO4 + NH4OH = NaOH + HSO4 + NH4
NaNO3 + K2CO3 = K2Na + NO3CO3 =>
NaNO3 + K2CO3 = K2Na + NO3CO3
C17H33COOHH2 = C17H35COOH =>
C17H33COOHH2 = C17H35COOH
Y + F = YF3 =>
Y + 3 F = YF3
NiCl2 + NH4OH = Ni(NH3)4Cl2 + H2O =>
NiCl2 + 4 NH4OH = Ni(NH3)4Cl2 + 4 H2O
Cg + H2O = CgOH + H2 =>
2 Cg + 2 H2O = 2 CgOH + H2
KOH + C20H14O4 = C2H3O2 + K =>
16 KOH + C20H14O4 = 10 C2H3O2 + 16 K
C3H7Cl + C5H11Cl + Na = C8H18 + NaCl =>
C3H7Cl + C5H11Cl + 2 Na = C8H18 + 2 NaCl
KClO5 = KCl + O5 =>
KClO5 = KCl + O5
Cr + ZnO = Zn + Cr2O3 =>
2 Cr + 3 ZnO = 3 Zn + Cr2O3
SnCl2*H2O + KCl = KCl*KSnCl3*H2O =>
SnCl2*H2O + 2 KCl = KCl*KSnCl3*H2O
FeOH + Cl2 = FeCl + FeClO3 + H2O =>
6 FeOH + 3 Cl2 = 5 FeCl + FeClO3 + 3 H2O
Al + OsO4 = Al2O3 + Os =>
8 Al + 3 OsO4 = 4 Al2O3 + 3 Os
Ba(NO3)2 + HCl = BaCl2 + H + NO3 =>
Ba(NO3)2 + 2 HCl = BaCl2 + 2 H + 2 NO3
LiCl(aq) + BaS(aq) = LiS + BaCl =>
LiCl(aq) + BaS(aq) = LiS + BaCl
KHSO3 + H2SO4 = K2SO4 + H2SO3 =>
2 KHSO3 + H2SO4 = K2SO4 + 2 H2SO3
C2H8 = C2H4 + H2 =>
C2H8 = C2H4 + 2 H2
Fe(NH4)2(SO4)2 + H2C2O4 + K2C2O4 + H2O2 = K3[Fe(C2O4)3] + H2SO4 + (NH4)2SO4 + H2O =>
2 Fe(NH4)2(SO4)2 + 3 H2C2O4 + 3 K2C2O4 + H2O2 = 2 K3[Fe(C2O4)3] + 2 H2SO4 + 2(NH4)2SO4 + 2 H2O
CaC2O4 + HCl = HC2O4 + CaCl =>
CaC2O4 + HCl = HC2O4 + CaCl
Fe(k) + O2(d) = Fe2O3(k) =>
4 Fe(k) + 3 O2(d) = 2 Fe2O3(k)
NH = NH3 + N2 =>
3 NH = NH3 + N2
BaC2O4 + KIO3 = BaI2O6 + K2C2O4 =>
BaC2O4 + 2 KIO3 = BaI2O6 + K2C2O4
KI(aq) + F2(g) = I2(s) + KF(aq) =>
2 KI(aq) + F2(g) = I2(s) + 2 KF(aq)
K2Cr2O7 + HCl = H2O + CrCl3 + KCl + Cl2 =>
K2Cr2O7 + 14 HCl = 7 H2O + 2 CrCl3 + 2 KCl + 3 Cl2
Cu + NO = CuNO =>
Cu + NO = CuNO
KOH + H2SO4 = K2SO4 + (H2O)2 =>
2 KOH + H2SO4 = K2SO4 + (H2O)2
NH4Br + Pb(C2H3O2)2 = NH4(C2H3O2) + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4(C2H3O2) + PbBr2
NaOH + CH3COOH = H2O + NaCH3COO =>
NaOH + CH3COOH = H2O + NaCH3COO
Br2 + Cu = CuBr2 =>
Br2 + Cu = CuBr2
Hg2O2(s) = Hg(l) + O2(g) =>
Hg2O2(s) = 2 Hg(l) + O2(g)
NH4OH + Mg3(PO4)2 = (NH4)3PO4 + Mg(OH)2 =>
6 NH4OH + Mg3(PO4)2 = 2(NH4)3PO4 + 3 Mg(OH)2
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