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2 Y2O + Y2S = 6 Y + SO2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
K2SiF6 + H2O = K3SiF7 + SiO2 + HF =>
3 K2SiF6 + 2 H2O = 2 K3SiF7 + SiO2 + 4 HF
CH3CHClCHClCH3 + KOH = CH3CCCH3 + KCl + H2O =>
CH3CHClCHClCH3 + 2 KOH = CH3CCCH3 + 2 KCl + 2 H2O
As + H2O = As(OH)4 + H =>
As + 4 H2O = As(OH)4 + 4 H
Sb + Zn + H2O = SbH3 + Zn(OH)2 =>
2 Sb + 3 Zn + 6 H2O = 2 SbH3 + 3 Zn(OH)2
Al(Cl2)3 = Al + Cl2 =>
Al(Cl2)3 = Al + 3 Cl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NaNO3 + MgO = Na2O + Mg(NO3)2 =>
2 NaNO3 + MgO = Na2O + Mg(NO3)2
Zn + H2SO = ZnSO + H =>
Zn + H2SO = ZnSO + 2 H
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
AgClO4 + K2SO4 = Ag2SO4 + KClO4 =>
2 AgClO4 + K2SO4 = Ag2SO4 + 2 KClO4
EuCl2 + Na2SO4 = EuSO4 + NaCl =>
EuCl2 + Na2SO4 = EuSO4 + 2 NaCl
Al(NO3)3(aq) + HCl(aq) = HNO3(aq) + AlCl3 =>
Al(NO3)3(aq) + 3 HCl(aq) = 3 HNO3(aq) + AlCl3
Cu2S + HNO3 = Cu2SO4 + NO + H2O =>
3 Cu2S + 8 HNO3 = 3 Cu2SO4 + 8 NO + 4 H2O
C2H5Cl + Na + HCl = NaCl + C2H6 =>
C2H5Cl + 2 Na + HCl = 2 NaCl + C2H6
NaHCO3 + KCl = NaCl + KHCO3 =>
NaHCO3 + KCl = NaCl + KHCO3
aluminium + hydrochloricacid = aluminiumchloride + hydrogen =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuO = O2 + Cu2 =>
2 CuO = O2 + Cu2
(NH4)2SO4(aq) + Ba(BrO3)2 = BaSO4 + NH4BrO3 =>
(NH4)2SO4(aq) + Ba(BrO3)2 = BaSO4 + 2 NH4BrO3
H2O + (CN)2 = H2C2O4 + NH3 =>
4 H2O + (CN)2 = H2C2O4 + 2 NH3
PCl5 + KOH = K2HPO4 + KCl + H2O =>
PCl5 + 7 KOH = K2HPO4 + 5 KCl + 3 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
HO2 + H2O = H2O2 =>
2 HO2 + 2 H2O = 3 H2O2
SO3 + Ca(OH)2 = CaSO4 + H2O =>
SO3 + Ca(OH)2 = CaSO4 + H2O
CH3CH2OH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3CHO + H2O =>
3 CH3CH2OH + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CH3CHO + 7 H2O
H2SiO3 + CuO = CuSiO3 + H2O =>
H2SiO3 + CuO = CuSiO3 + H2O
NaOH + H2Co = Na2Co + H2O =>
2 NaOH + H2Co = Na2Co + 2 H2O
M(NO3)3 + (NH4)6(H2W12O40) + CH4N2O = M2(WO4)3 + CO2 + H2O + N2 =>
8 M(NO3)3 + (NH4)6(H2W12O40) + 17 CH4N2O = 4 M2(WO4)3 + 17 CO2 + 47 H2O + 32 N2
Cl + O3 = ClO2 =>
3 Cl + 2 O3 = 3 ClO2
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
C2H16O + O2 = CO2 + H2O =>
2 C2H16O + 11 O2 = 4 CO2 + 16 H2O
H2C2O4 + Ca(NO3)2 = CaC2O4 + HNO3 =>
H2C2O4 + Ca(NO3)2 = CaC2O4 + 2 HNO3
LiOH + HClO = LiClO + H2O =>
LiOH + HClO = LiClO + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H5OH(l) + C3H7COOH(l) = C2H7COOC2H5(l) + H2O(l) =>
3 C2H5OH(l) + C3H7COOH(l) = 2 C2H7COOC2H5(l) + H2O(l)
C7H7Cl + KOH = C7H7OH + KCl =>
C7H7Cl + KOH = C7H7OH + KCl
MnO2 + Sn(OH)4 = Mn(OH)2 + Sn(O2)2 =>
2 MnO2 + Sn(OH)4 = 2 Mn(OH)2 + Sn(O2)2
NaNa3 = Na = N2 =>
NaNa3 = 4 Na
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
SnO + RbOH = Rb2SnO2 + H2O =>
SnO + 2 RbOH = Rb2SnO2 + H2O
CuO + Fe = FeO2 + Cu =>
2 CuO + Fe = FeO2 + 2 Cu
H2S + Na2SO3 = H2O + Na + S =>
3 H2S + Na2SO3 = 3 H2O + 2 Na + 4 S
SrI2(aq) + Na2SO4(aq) = SrSO4(s) + Na2I2(aq) =>
SrI2(aq) + Na2SO4(aq) = SrSO4(s) + Na2I2(aq)
FeSO4 + HNO3 = Fe(NO3)3 + H2O + H2SO4 + NO2 =>
FeSO4 + 4 HNO3 = Fe(NO3)3 + H2O + H2SO4 + NO2
Ba(OH)2 + KHP = Ba(KP)2 + H2O =>
Ba(OH)2 + 2 KHP = Ba(KP)2 + 2 H2O
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