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2 ZnS + 3(O2) = 2 ZnO + 2 S(O2)
CH2OH2O2 = HCOOHH2O =>
CH2OH2O2 = HCOOHH2O
H2 + C = CH4 =>
2 H2 + C = CH4
Fe2(SO4)3(aq) + Al(s) = Al2(SO4)3(aq) + Fe(s) =>
Fe2(SO4)3(aq) + 2 Al(s) = Al2(SO4)3(aq) + 2 Fe(s)
ThF4 = F2 + Th =>
ThF4 = 2 F2 + Th
S2O3{2-} + MnO4{-} + H{+} = HSO4{-} + Mn{2+} + H2O =>
5 S2O3{2-} + 8 MnO4{-} + 24 H{+} = 10 HSO4{-} + 8 Mn{2+} + 7 H2O
CuS + CuO = Cu + SO4 =>
CuS + 4 CuO = 5 Cu + SO4
CH3(CH2)3OH(l) + O2(g) = CO2 + H2O =>
CH3(CH2)3OH(l) + 6 O2(g) = 4 CO2 + 5 H2O
Sr(NO3)2 + Na2CO3 = NaNO3 + SrCO3 =>
Sr(NO3)2 + Na2CO3 = 2 NaNO3 + SrCO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CH3 + Cl2 = CCl4 + HCl =>
2 CH3 + 7 Cl2 = 2 CCl4 + 6 HCl
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
(CH3)3N + H3O = (CH3)3NH + H2O =>
(CH3)3N + H3O = (CH3)3NH + H2O
Cr(OH)3 + IO3 + KOH = KI + K2CrO4 + H2O =>
7 Cr(OH)3 + 3 IO3 + 17 KOH = 3 KI + 7 K2CrO4 + 19 H2O
NH3 + CH3COCH3 = CH2O + CH3NH2(ni) =>
2 NH3 + CH3COCH3 = CH2O + 2 CH3NH2(ni)
CH3BrNaCN = CH3CNNaBr =>
CH3BrNaCN = CH3CNNaBr
COBr2 + Al = BrAl + CO =>
COBr2 + 2 Al = 2 BrAl + CO
Ca(NO3) + Na2SO4 = Ca2SO4 + NaNO3 =>
2 Ca(NO3) + Na2SO4 = Ca2SO4 + 2 NaNO3
Zn(NO3)2 + KCl = ZnCl2 + KNO3 =>
Zn(NO3)2 + 2 KCl = ZnCl2 + 2 KNO3
Ca(NO3)2 + KCl = KCa + Cl(NO3)2 =>
Ca(NO3)2 + KCl = KCa + Cl(NO3)2
BaCO3 + H = Ba + HCO3 =>
BaCO3 + H = Ba + HCO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
CH3COONH4 + K2S = K2NH4 + CH3COOS =>
CH3COONH4 + K2S = K2NH4 + CH3COOS
C11H20 + Cl2 = CCHCl + HCl =>
2 C11H20 + 20 Cl2 = 11 CCHCl + 29 HCl
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
B8H16 + O2 = B2O3 + H2O =>
B8H16 + 10 O2 = 4 B2O3 + 8 H2O
Cr2(SO4)3 + H2O = CrOHSO4 + H2SO4 =>
Cr2(SO4)3 + 2 H2O = 2 CrOHSO4 + H2SO4
HCOONa + H2SO4 = CO + NaHSO4 + H2O =>
HCOONa + H2SO4 = CO + NaHSO4 + H2O
C3H5(ONO2)3 = CO2 + H2O + N2 + O =>
2 C3H5(ONO2)3 = 6 CO2 + 5 H2O + 3 N2 + O
H2NC(O)NH2 + H2SO4 = CO2 + SO2 + N2H2 + H2O =>
H2NC(O)NH2 + 2 H2SO4 = CO2 + 2 SO2 + N2H2 + 3 H2O
KMnO4 + Sr(OH)2 = KSrMnO4 + H2O + O2 =>
2 KMnO4 + 2 Sr(OH)2 = 2 KSrMnO4 + 2 H2O + O2
Pb(NO3)2 + Cr(SO4)2 = Pb(SO4)2 + Cr(NO3)2 =>
Pb(NO3)2 + Cr(SO4)2 = Pb(SO4)2 + Cr(NO3)2
CO(NH3)6(NO3)3 + NaOH = CO(OH)3 + NaNO3 + NH3 =>
CO(NH3)6(NO3)3 + 3 NaOH = CO(OH)3 + 3 NaNO3 + 6 NH3
Ca + T = CaT =>
Ca + T = CaT
C3H6O3 + NaOH = H2O + NaC2HO =>
2 C3H6O3 + 3 NaOH = 6 H2O + 3 NaC2HO
CH3CH2OHC6H4OHCOOH = C6H4OHCOOCH2CH3H2O =>
CH3CH2OHC6H4OHCOOH = C6H4OHCOOCH2CH3H2O
HSO + Al(OH) = Al(SO) + H2O =>
HSO + Al(OH) = Al(SO) + H2O
KFl + HCl = KCl + HFl =>
KFl + HCl = KCl + HFl
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
NaPO4 + CaCl2 = NaCl + Ca[PO4]2 =>
2 NaPO4 + CaCl2 = 2 NaCl + Ca[PO4]2
BaO2 = BaO + O =>
BaO2 = BaO + O
FeOBr2 = FeBr2O =>
FeOBr2 = FeBr2O
NH4NO3 = N + H2 + O2 =>
2 NH4NO3 = 4 N + 4 H2 + 3 O2
H3O + CN = HCN + H2O =>
H3O + CN = HCN + H2O
CH2 + Cl2 = C + HCl =>
CH2 + Cl2 = C + 2 HCl
Cu2O + FeS2 = Cu2S2 + FeO =>
Cu2O + FeS2 = Cu2S2 + FeO
CH3CH2OHO = CH3CHOH2O =>
CH3CH2OHO = CH3CHOH2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Zn(s) + Mg(NO3)2(aq) = Zn(NO3)2 + Mg(s) =>
Zn(s) + Mg(NO3)2(aq) = Zn(NO3)2 + Mg(s)
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