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Na2SiO3 + 2 HNO3 = 2 NaNO3 + SiO2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH3CH(OH)CH3 + KMnO4 + H2SO4 = CH3COCH3 + MnSO4 + K2SO4 + H2O =>
5 CH3CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3COCH3 + 2 MnSO4 + K2SO4 + 8 H2O
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
[Ag(NH3)2]Cl = AgCl + NH3 =>
[Ag(NH3)2]Cl = AgCl + 2 NH3
SO2(g) + H2O(l) = H2SO3(aq) =>
SO2(g) + H2O(l) = H2SO3(aq)
C4H8O2 + NaNO3 = C3H7COONa + HNO3 =>
C4H8O2 + NaNO3 = C3H7COONa + HNO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ag2S + O2 = AgO + SO2 =>
Ag2S + 2 O2 = 2 AgO + SO2
MgCl2 = Mg + Cl2 =>
MgCl2 = Mg + Cl2
SrI2 + Br2 = SrBr2 + I2 =>
SrI2 + Br2 = SrBr2 + I2
Zn + HC1 = ZnC1 + H2 =>
2 Zn + 2 HC1 = 2 ZnC1 + H2
Xe + F = XeF6 =>
Xe + 6 F = XeF6
Al(OH)3 + H4SiO4 = Al2Si4O10(OH)2 + H2O =>
2 Al(OH)3 + 4 H4SiO4 = Al2Si4O10(OH)2 + 10 H2O
C8H8O2 + NaHCO3 = C8H7O2Na + CO2 + H2O =>
C8H8O2 + NaHCO3 = C8H7O2Na + CO2 + H2O
Cu(OH2)6 + OH = Cu(OH)2(OH2)4 + H2O =>
Cu(OH2)6 + 2 OH = Cu(OH)2(OH2)4 + 2 H2O
KSCN + ZnCl2 = KCl + Zn(SCN)2 =>
2 KSCN + ZnCl2 = 2 KCl + Zn(SCN)2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
Al + NaOH + H2O = Na[Al(OH)4] + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 Na[Al(OH)4] + 3 H2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
*4Cr + *3O2 = *2Cr2O3 =>
*4Cr + *3O2 = *2Cr2O3
Pb(NO3)2(aq) + Na2(CO3)(aq) = Pb(CO3)(s) + Na(NO3)(aq) =>
Pb(NO3)2(aq) + Na2(CO3)(aq) = Pb(CO3)(s) + 2 Na(NO3)(aq)
Pb(NO3)2 + H2O = Pb(OH)2 + HNO3 =>
Pb(NO3)2 + 2 H2O = Pb(OH)2 + 2 HNO3
CH4O + Na2Cr2O7 + H2SO4 = CH2O2 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 CH4O + 2 Na2Cr2O7 + 8 H2SO4 = 3 CH2O2 + 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
CaCO3 + CH3COOH = Ca{2+} + HCO3{-} + CH3COO{-} =>
CaCO3 + CH3COOH = Ca{2+} + HCO3{-} + CH3COO{-}
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
H2SO4(aq) + TiO2(s) = Ti[SO4]2(s) + H2O(l) =>
2 H2SO4(aq) + TiO2(s) = Ti[SO4]2(s) + 2 H2O(l)
MgN + H2O = MgNH2O =>
MgN + H2O = MgNH2O
CaCl2 + H2CO3 = CaCO3 + HCl =>
CaCl2 + H2CO3 = CaCO3 + 2 HCl
C = C2 =>
2 C = C2
Ca3P2 + HNO3 = Ca(NO3)2 + NO + H3PO4 + H2O =>
3 Ca3P2 + 34 HNO3 = 9 Ca(NO3)2 + 16 NO + 6 H3PO4 + 8 H2O
Mn2O3 + Hg + CN{-} + H2O = Mn(CN)6{-4} + Hg(CN)2 + OH{-} =>
Mn2O3 + Hg + 14 CN{-} + 3 H2O = 2 Mn(CN)6{-4} + Hg(CN)2 + 6 OH{-}
I2 + CO2 = I2O5 + CO =>
I2 + 5 CO2 = I2O5 + 5 CO
Zn(No3)2 + H2O = HNo3 + Zn(OH)2 =>
Zn(No3)2 + 2 H2O = 2 HNo3 + Zn(OH)2
C16H34 = C2H4 + C8H18 =>
C16H34 = 4 C2H4 + C8H18
CaO + C = CaC + CO2 =>
2 CaO + 3 C = 2 CaC + CO2
N + H = NH3 =>
N + 3 H = NH3
NH4VO3 + HCl = V2O5 + NH4Cl + H2O =>
2 NH4VO3 + 2 HCl = V2O5 + 2 NH4Cl + H2O
NaBr + HCl = NaCl + HBr =>
NaBr + HCl = NaCl + HBr
HF + Ca(HCO3)2 = CaF2 + CO2 + H2O =>
2 HF + Ca(HCO3)2 = CaF2 + 2 CO2 + 2 H2O
Cu2S + O2 + CaCo3 = CuO + CaSO3 + Co2 =>
2 Cu2S + 5 O2 + 2 CaCo3 = 4 CuO + 2 CaSO3 + 3 Co2
K2CrO4 + CH3COOH + BaCl2 = BaCrO4 + K(CH3COO) + HCl =>
K2CrO4 + 2 CH3COOH + BaCl2 = BaCrO4 + 2 K(CH3COO) + 2 HCl
CaCl2(aq) + K2CO3(aq) = KCl(aq) + CaCO3(aq) =>
CaCl2(aq) + K2CO3(aq) = 2 KCl(aq) + CaCO3(aq)
CO2 + NaO = NaO2 + CO =>
CO2 + NaO = NaO2 + CO
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CuSO4 + S = CuS + SO2 =>
CuSO4 + 2 S = CuS + 2 SO2
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