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2 H2SeO4 + Pt = Pt(SeO4)2 + 2 H2
MgCl2 + SiO2 + H2O = MgSiO3 + HCl =>
MgCl2 + SiO2 + H2O = MgSiO3 + 2 HCl
NaNO3 + Fe2O3 = NaO + Fe2 + NO3 =>
3 NaNO3 + Fe2O3 = 3 NaO + Fe2 + 3 NO3
Re2O8 + H2S = Re2S7 + H2O + S =>
Re2O8 + 8 H2S = Re2S7 + 8 H2O + S
Cr2(SO4)3 + KMnO4 + H2O = H2CrO4 + MnO2 + K2SO4 + H2SO4 =>
Cr2(SO4)3 + 2 KMnO4 + 4 H2O = 2 H2CrO4 + 2 MnO2 + K2SO4 + 2 H2SO4
Cr(OH)3 + O2 + KOH = K2CrO4 + H2O =>
4 Cr(OH)3 + 3 O2 + 8 KOH = 4 K2CrO4 + 10 H2O
Fe3O4 + O2(g) = Fe2O3(s) =>
4 Fe3O4 + O2(g) = 6 Fe2O3(s)
Li2O + H2O = Li2 + OH =>
Li2O + H2O = Li2 + 2 OH
C3H7OH + O2 = CO2(g) + H2O(l) =>
2 C3H7OH + 9 O2 = 6 CO2(g) + 8 H2O(l)
HNO3 + Mn(OH)3 = Mn(OH)2NO3 + H2O =>
HNO3 + Mn(OH)3 = Mn(OH)2NO3 + H2O
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
C3H8O + H2O = C2H5OH =>
2 C3H8O + H2O = 3 C2H5OH
RuCl4(s) + Na2S4(s) = RuS2(s) + NaCl(s) + S(s) =>
RuCl4(s) + 2 Na2S4(s) = RuS2(s) + 4 NaCl(s) + 6 S(s)
SnCl2(aq) + KIO3(aq) + HCl(aq) = I2 + SnCl4(aq) + KCl2(aq) + H2O(l) =>
4 SnCl2(aq) + 2 KIO3(aq) + 12 HCl(aq) = I2 + 4 SnCl4(aq) + 2 KCl2(aq) + 6 H2O(l)
Ammonia + chlorine = ammoniumchloride + nitrogen =>
8 NH3 + 3 Cl2 = 6 NH4Cl + N2
Na2B4O7*10H2O(borax) + HNO3 = NaNO3 + H3BO3 + H2O =>
Na2B4O7*10H2O(borax) + 2 HNO3 = 2 NaNO3 + 4 H3BO3 + 5 H2O
BeCl2 + NaOH = Na2BeO2 + HCl =>
BeCl2 + 2 NaOH = Na2BeO2 + 2 HCl
C3H6O2 + NaOH = C3H5NaO2 + H2O =>
C3H6O2 + NaOH = C3H5NaO2 + H2O
Na3N + HNO3 = NaNO3 + NH3 =>
Na3N + 3 HNO3 = 3 NaNO3 + NH3
SO2CaO = CaSO3 =>
SO2CaO = CaSO3
CH4 + Cl2 = CClH3 + HCl =>
CH4 + Cl2 = CClH3 + HCl
SB2 + (NH4)2CO3 = SCO3 + NH4B =>
SB2 + (NH4)2CO3 = SCO3 + 2 NH4B
BeCl2 + AgNO2 = Be(NO2)2 + AgCl =>
BeCl2 + 2 AgNO2 = Be(NO2)2 + 2 AgCl
H2S + H2O = HS + H3O =>
H2S + H2O = HS + H3O
Pb(NO3)2(aq) + HCl(aq) = PbCl2 + H2O + N2O5 =>
Pb(NO3)2(aq) + 2 HCl(aq) = PbCl2 + H2O + N2O5
SO4{2-} + VO + H2O = H2S + VO3{-} + H{+} =>
3 SO4{2-} + 8 VO + 4 H2O = 3 H2S + 8 VO3{-} + 2 H{+}
H2SO4CaCO3 = CaSO4H2CO3 =>
H2SO4CaCO3 = CaSO4H2CO3
Pb + K2CO3 = PbCO3 + K =>
Pb + K2CO3 = PbCO3 + 2 K
Fe + CO = Fe(CO)5 =>
Fe + 5 CO = Fe(CO)5
Mg2 + Cu(No3)2 = Cu + Mg(No3)2 =>
Mg2 + 2 Cu(No3)2 = 2 Cu + 2 Mg(No3)2
Ba + CuI = BaI + Cu =>
Ba + CuI = BaI + Cu
HClO3 + H2SO3 = H2SO4 + HCl =>
HClO3 + 3 H2SO3 = 3 H2SO4 + HCl
NaCl + H2O = NaOH + HCl =>
NaCl + H2O = NaOH + HCl
Br2 + H2O + S = HBr + H2SO4 =>
3 Br2 + 4 H2O + S = 6 HBr + H2SO4
NiCl2 + HNO3 = Ni(NO3)2 + Cl + H2O + NO2 =>
NiCl2 + 4 HNO3 = Ni(NO3)2 + 2 Cl + 2 H2O + 2 NO2
KMnO4 + H2SO4 + NaHSO3 = MnSO4(aq) + K2SO4 + Na2SO4 + H2O =>
4 KMnO4 + H2SO4 + 10 NaHSO3 = 4 MnSO4(aq) + 2 K2SO4 + 5 Na2SO4 + 6 H2O
CoCl2 + Zn + H2O = ZnCl2 + CoO + H2 =>
CoCl2 + Zn + H2O = ZnCl2 + CoO + H2
(NH4)2S + H2O = NH4OH + H2S =>
(NH4)2S + 2 H2O = 2 NH4OH + H2S
SiF4(g) + H2O(l) = H4SiO4(aq) + H2SiF6(aq) =>
3 SiF4(g) + 4 H2O(l) = H4SiO4(aq) + 2 H2SiF6(aq)
KMnO4 + NaOH + KI = KOH + MnO2 + Na2O + I2 =>
2 KMnO4 + 8 NaOH + 6 KI = 8 KOH + 2 MnO2 + 4 Na2O + 3 I2
FeO + Na2O + O2 = NaFeO2 =>
4 FeO + 2 Na2O + O2 = 4 NaFeO2
VOSO4 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + VO(SO4)3 + H2O + K2SO4 =>
3 VOSO4 + 2 K2Cr2O7 + 14 H2SO4 = 2 Cr2(SO4)3 + 3 VO(SO4)3 + 14 H2O + 2 K2SO4
NH4VO3 + H2SO4 = VO2 + (NH4)2SO2 + H2O + SO4 =>
2 NH4VO3 + 4 H2SO4 = 2 VO2 + (NH4)2SO2 + 4 H2O + 3 SO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
C22H48ClN + O2 = CO2 + H2O + H{+} + Cl{-} + HNO3 =>
C22H48ClN + 35 O2 = 22 CO2 + 23 H2O + H{+} + Cl{-} + HNO3
Al(s) = Al2(s) =>
2 Al(s) = Al2(s)
Ni(OH)2 + NH4OH = NiNH + H2O =>
Ni(OH)2 + NH4OH = NiNH + 3 H2O
HBr(aq) + H2O(l) = Br(aq) + H3O(aq) =>
HBr(aq) + H2O(l) = Br(aq) + H3O(aq)
CH3CH2CH3 + H2SO4 = CH3CH2CH2SO3H + H2O =>
CH3CH2CH3 + H2SO4 = CH3CH2CH2SO3H + H2O
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