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4 Na + O2 = 2 Na2O
Na2S + H2SO4 = NaHSO4 + SO2 + H2O =>
Na2S + 5 H2SO4 = 2 NaHSO4 + 4 SO2 + 4 H2O
CuO + Al = Al2O3 + Cu =>
3 CuO + 2 Al = Al2O3 + 3 Cu
O2(g) + Sb2S3(s) = Sb2O4(s) + SO2(g) =>
5 O2(g) + Sb2S3(s) = Sb2O4(s) + 3 SO2(g)
C6H5OH + H2O = C6H5O{-} + H3O{+} =>
C6H5OH + H2O = C6H5O{-} + H3O{+}
NaS2 + HCl = NaCl + H2 + S =>
2 NaS2 + 2 HCl = 2 NaCl + H2 + 4 S
Na + CaO = NaO2 + Ca =>
Na + 2 CaO = NaO2 + 2 Ca
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
HMnO4 + NO = Mn(NO2)2 + HNO3 =>
HMnO4 + 3 NO = Mn(NO2)2 + HNO3
NaI + KOH = KI + NaOH =>
NaI + KOH = KI + NaOH
PotassiumPhosphateTin(IV)Nitrate = PotassiumNitrateTin(IV)Phosphate =>
PotassiumPhosphateTin(IV)Nitrate = PotassiumNitrateTin(IV)Phosphate
CaC2O4 + CH3COOH = CaCOOH + C2O4CH3 =>
CaC2O4 + CH3COOH = CaCOOH + C2O4CH3
Zn + Cu2SO4 = Zn2(SO4)2 + Cu =>
2 Zn + 2 Cu2SO4 = Zn2(SO4)2 + 4 Cu
BaCl + HS = BaS + HCl =>
BaCl + HS = BaS + HCl
Ca(OH)2 + P4O10 + H2O = Ca(H2PO4)2 =>
2 Ca(OH)2 + P4O10 + 2 H2O = 2 Ca(H2PO4)2
Ag + O2 = AgO2 =>
Ag + O2 = AgO2
K2Cr2O7 + KBr + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
LiBr + Cl2 = Li + BrCl =>
2 LiBr + Cl2 = 2 Li + 2 BrCl
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
NaHCO3 + HC2H3O2 = C2H3O2Na + H2CO3 =>
NaHCO3 + HC2H3O2 = C2H3O2Na + H2CO3
MnO2 + Cl2 + KOH = KMnO4 + KCl + H2O =>
2 MnO2 + 3 Cl2 + 8 KOH = 2 KMnO4 + 6 KCl + 4 H2O
Al + H2S = Al2S3 + H2 =>
2 Al + 3 H2S = Al2S3 + 3 H2
Ti(OH)3 + NaOH = Na3[Ti(OH)6] =>
Ti(OH)3 + 3 NaOH = Na3[Ti(OH)6]
BaHPO4 + HNO3 = BaNO3 + H2PO4 =>
BaHPO4 + HNO3 = BaNO3 + H2PO4
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
H2CO3 = H + CO3 =>
H2CO3 = 2 H + CO3
Ag2CO3 + NH3 = Ag(NH3)2 + CO2 + O2 =>
2 Ag2CO3 + 8 NH3 = 4 Ag(NH3)2 + 2 CO2 + O2
Br2 + C6H10O5 = CBr + H2O =>
3 Br2 + C6H10O5 = 6 CBr + 5 H2O
CH4 + Br2 = CH4Br2 =>
CH4 + Br2 = CH4Br2
NH4OH + HCl = HClNH4OH =>
NH4OH + HCl = HClNH4OH
C2H5Br + AgNO2 = C2H5NO2 + AgBr =>
C2H5Br + AgNO2 = C2H5NO2 + AgBr
Na + NaHSO4 = Na2SO4 + H2 =>
2 Na + 2 NaHSO4 = 2 Na2SO4 + H2
Al(OH)3(s) + H2SO4(aq) = Al + SO4 + H2O =>
2 Al(OH)3(s) + 3 H2SO4(aq) = 2 Al + 3 SO4 + 6 H2O
CH3OHHCl = CH4OHCl =>
CH3OHHCl = CH4OHCl
MnO2 + KOH + KNO3 = KNO2 + H2O + K3MnO4 =>
2 MnO2 + 6 KOH + KNO3 = KNO2 + 3 H2O + 2 K3MnO4
OC6H5OH + O2 = CO2 + H2O =>
2 OC6H5OH + 13 O2 = 12 CO2 + 6 H2O
FeCl2 + NaNO2 + HCl = FeCl3 + NaCl + NO + H2O =>
FeCl2 + NaNO2 + 2 HCl = FeCl3 + NaCl + NO + H2O
ZnS + KOH + H2O = K2[Zn(OH)4] + H2S =>
ZnS + 2 KOH + 2 H2O = K2[Zn(OH)4] + H2S
KNO3 + KCrO2 + KOH = K2CrO4 + N2O + H2O =>
6 KNO3 + 8 KCrO2 + 2 KOH = 8 K2CrO4 + 3 N2O + H2O
KSO4MgI = KIMgSO4 =>
KSO4MgI = KIMgSO4
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Ag2 + O = Ag2O =>
Ag2 + O = Ag2O
NaIH2SO4 = NaSO4H2I =>
NaIH2SO4 = NaSO4H2I
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Mg + P4 = Mg4P3 =>
16 Mg + 3 P4 = 4 Mg4P3
Zn(s) + HNO3(dil) = Zn(NO3)2(aq) + NO(g) + H2O(l) =>
3 Zn(s) + 8 HNO3(dil) = 3 Zn(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
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