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10 Fe2O3 + 15 SiO2 = 5 Fe4Si3 + 12 O5
Pb(CH3COO)2 + H2S = PbS + CH3COOH =>
Pb(CH3COO)2 + H2S = PbS + 2 CH3COOH
Na2CO3(aq) + CaCl2*H2O(aq) = CaCO3(s) + NaCl(aq) + H2O =>
Na2CO3(aq) + CaCl2*H2O(aq) = CaCO3(s) + 2 NaCl(aq) + H2O
KMnO4 + H2SO4 + Na2SO3 = MnO2 + H2O + Na2SO4 + K2SO4 =>
2 KMnO4 + H2SO4 + 3 Na2SO3 = 2 MnO2 + H2O + 3 Na2SO4 + K2SO4
H2S + H2SO3 = S + H2O =>
2 H2S + H2SO3 = 3 S + 3 H2O
S + OH = S(OH)3 =>
S + 3 OH = S(OH)3
MgI2 + AgNo3 = Mg(No3)2 + AgI =>
MgI2 + 2 AgNo3 = Mg(No3)2 + 2 AgI
AgBr + Na2S2O3 = NaBr + Na + Na[Ag(S2O3)2] =>
AgBr + 2 Na2S2O3 = NaBr + 2 Na + Na[Ag(S2O3)2]
CrO3 + Cl{-} + H{+} = Cl2 + H2O + Cr{3+} =>
2 CrO3 + 6 Cl{-} + 12 H{+} = 3 Cl2 + 6 H2O + 2 Cr{3+}
C14H10O2 + NaBH4 + C2H6O = C14H14O2 + NaB(C2H6O)4 =>
C14H10O2 + NaBH4 + 4 C2H6O = C14H14O2 + NaB(C2H6O)4
C7H6O2 + NaHCO3 = NaC7H5O2 + H2O + CO2 =>
C7H6O2 + NaHCO3 = NaC7H5O2 + H2O + CO2
C + NaOH = COH + Na =>
C + NaOH = COH + Na
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Xe(g) + F2(g) = XeF6(s) =>
Xe(g) + 3 F2(g) = XeF6(s)
AgF2 + Zn = ZnF2 + Ag =>
AgF2 + Zn = ZnF2 + Ag
Mg2 + HNO3 = Mg(NO3)2 + NO + H2O =>
3 Mg2 + 16 HNO3 = 6 Mg(NO3)2 + 4 NO + 8 H2O
NaCl + MgO2 + H2SO4 = NaHSO4 + MgSO4 + H2O + Cl =>
2 NaCl + MgO2 + 3 H2SO4 = 2 NaHSO4 + MgSO4 + 2 H2O + 2 Cl
(NH4)2SO4 + Fe(OH)2 = NH4OH + FeSO4 =>
(NH4)2SO4 + Fe(OH)2 = 2 NH4OH + FeSO4
Mg + NH4Cl = MgCl22NH4Cl + NH3 + H2 =>
Mg + 23 NH4Cl = MgCl22NH4Cl + 22 NH3 + 11 H2
CuSO4(aq) + NaI(aq) = CuI2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaI(aq) = CuI2(s) + Na2SO4(aq)
Me + HNO3 = Me(NO3)2 + NO2 + H2O =>
Me + 4 HNO3 = Me(NO3)2 + 2 NO2 + 2 H2O
HCIO4 + Sr(OH)2 = Sr(CIO4)2 + H2O =>
2 HCIO4 + Sr(OH)2 = Sr(CIO4)2 + 2 H2O
MgSO4 + H2O = MgSO4*7H2O =>
MgSO4 + 7 H2O = MgSO4*7H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Ba(OH)2 + NaOH = NaBa + OH =>
Ba(OH)2 + NaOH = NaBa + 3 OH
C6H5CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COOH + H2O =>
21 C6H5CH(OH)CH3 + 20 K2Cr2O7 + 80 H2SO4 = 20 Cr2(SO4)3 + 20 K2SO4 + 24 C6H5COOH + 113 H2O
H + P = HP =>
H + P = HP
IH + Ba(OH)2 = BaI2 + H2O =>
2 IH + Ba(OH)2 = BaI2 + 2 H2O
Mg3N2 + H2SO4 = MgSO4 + (NH4)2SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
HClO = H2O + Cl2O =>
2 HClO = H2O + Cl2O
Al + KNO3 = Al2O3 + K2O + N2 =>
10 Al + 6 KNO3 = 5 Al2O3 + 3 K2O + 3 N2
Ca + Na3PO4 = Ca3(PO4)2 + Na =>
3 Ca + 2 Na3PO4 = Ca3(PO4)2 + 6 Na
Na2SiO3 + HF = NaF + SiF4 + H2O =>
Na2SiO3 + 6 HF = 2 NaF + SiF4 + 3 H2O
HCO2H + H2O = HCOO + H3O =>
HCO2H + H2O = HCOO + H3O
ZnCl2 + NH3 + H2O = Zn(OH)2 + NH4 + Cl =>
ZnCl2 + 2 NH3 + 2 H2O = Zn(OH)2 + 2 NH4 + 2 Cl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Bi + F2 = BiF3 =>
2 Bi + 3 F2 = 2 BiF3
CaCl2(aq) + Li2CO3(aq) = CaCO3 + LiCl =>
CaCl2(aq) + Li2CO3(aq) = CaCO3 + 2 LiCl
Ag2O(heat) = Ag + O =>
Ag2O(heat) = 2 Ag + O
HCl + Na2SO4 = NaCl + H2SO4 =>
2 HCl + Na2SO4 = 2 NaCl + H2SO4
CO2 + SO2 = CS2 + O2 =>
CO2 + 2 SO2 = CS2 + 3 O2
H2C2O4 + RbOH = Rb2C2O4 + HOH =>
H2C2O4 + 2 RbOH = Rb2C2O4 + 2 HOH
Bi + H2 = BiH5 =>
2 Bi + 5 H2 = 2 BiH5
AlCl3 + NaNH2 = AlN + NaCl + NH3 =>
AlCl3 + 3 NaNH2 = AlN + 3 NaCl + 2 NH3
Na2SO3 + AgF + NaOH = NaF + Ag + Na2SO4 + H2O =>
Na2SO3 + 2 AgF + 2 NaOH = 2 NaF + 2 Ag + Na2SO4 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NH4)2SO4 + Ba(C2H3O2)2 = BaSO4 + NH4C2H3O2 =>
(NH4)2SO4 + Ba(C2H3O2)2 = BaSO4 + 2 NH4C2H3O2
Se + BaO2 = BaSeO4 + BaO =>
Se + 3 BaO2 = BaSeO4 + 2 BaO
UO3 + HNO3 = UO2(NO3)2 + H2O =>
UO3 + 2 HNO3 = UO2(NO3)2 + H2O
At + K = AtK =>
At + K = AtK
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