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Cu3 + S = Cu3S
B2O3(s) + CaF2(s) = BF3(g) + CaO(s) =>
B2O3(s) + 3 CaF2(s) = 2 BF3(g) + 3 CaO(s)
C7H5CH3 + O2 = CO + H2O =>
C7H5CH3 + 6 O2 = 8 CO + 4 H2O
C4H9Cl + OH = C4H9OH + Cl =>
C4H9Cl + OH = C4H9OH + Cl
NaCH3CO2 + (NH4)2SO4 = Na2SO4 + NH4CH3CO2 =>
2 NaCH3CO2 + (NH4)2SO4 = Na2SO4 + 2 NH4CH3CO2
LiOH + SO4 = Li2SO4 + OH =>
2 LiOH + SO4 = Li2SO4 + 2 OH
CH3CH2CH3 + Br2 = CH3CHCH3 + HBr =>
2 CH3CH2CH3 + Br2 = 2 CH3CHCH3 + 2 HBr
H2 + NFl3 = N2 + HFl =>
3 H2 + 2 NFl3 = N2 + 6 HFl
KNO3 + Sn = KNO2 + SnO =>
KNO3 + Sn = KNO2 + SnO
CH3CH2OH + H2SO4 = CH3CH2OSO3H + H2O =>
CH3CH2OH + H2SO4 = CH3CH2OSO3H + H2O
FC = CF =>
FC = CF
C4H6O2 + HBr = C4H7O2Br =>
C4H6O2 + HBr = C4H7O2Br
C6H5CHO + KMnO4 + HCl = C6H5COOH + MnCl2 + KCl + H2O =>
5 C6H5CHO + 2 KMnO4 + 6 HCl = 5 C6H5COOH + 2 MnCl2 + 2 KCl + 3 H2O
CaCO3 + HF = CaF2 + H2O + CO2 =>
CaCO3 + 2 HF = CaF2 + H2O + CO2
Pb(NO3)2 + NH4(OH) = Pb(OH)2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4(OH) = Pb(OH)2 + 2 NH4NO3
KMnO4 + CH4 = K2CO3 + MnO2 + KOH + H2O =>
8 KMnO4 + 3 CH4 = 3 K2CO3 + 8 MnO2 + 2 KOH + 5 H2O
C4H8O2 + C2H6O = C6H14O3 =>
C4H8O2 + C2H6O = C6H14O3
Cu(s) + HI(aq) = CuI + H =>
Cu(s) + HI(aq) = CuI + H
Na3N + Ca(NO3)2 = NaNO3 + Ca3N2 =>
2 Na3N + 3 Ca(NO3)2 = 6 NaNO3 + Ca3N2
C6N12H6O12 = CO2 + N2 + H2O + CO =>
C6N12H6O12 = 3 CO2 + 6 N2 + 3 H2O + 3 CO
K2Cr2O7 + FeSO4 + HCl = KCl + CrCl3 + Fe2(SO4)3 + H2O + FeCl3 =>
K2Cr2O7 + 6 FeSO4 + 14 HCl = 2 KCl + 2 CrCl3 + 2 Fe2(SO4)3 + 7 H2O + 2 FeCl3
BaO + Na2S = Na2O + BaS =>
BaO + Na2S = Na2O + BaS
KClO3 + Mg = KCl + MgO =>
KClO3 + 3 Mg = KCl + 3 MgO
Fe + S + K2CO3 = KFeS2 + K2SO4 + CO2 =>
6 Fe + 13 S + 4 K2CO3 = 6 KFeS2 + K2SO4 + 4 CO2
C(s) + KNO3(aq) = K2CO3(aq) + CO2(g) + N2(g) =>
5 C(s) + 4 KNO3(aq) = 2 K2CO3(aq) + 3 CO2(g) + 2 N2(g)
NaCl + Na2CO3 = ClCO3 + Na =>
NaCl + Na2CO3 = ClCO3 + 3 Na
NH4ClO4(s) = N2(g) + O2(g) + HCl(g) + H2O(l) =>
4 NH4ClO4(s) = 2 N2(g) + 5 O2(g) + 4 HCl(g) + 6 H2O(l)
ZnOHCl = ZnClOH =>
ZnOHCl = ZnClOH
CH2CH2CH2CH2Cl + Cl2 = CH2ClCH2CH2CH2Cl =>
2 CH2CH2CH2CH2Cl + Cl2 = 2 CH2ClCH2CH2CH2Cl
C6H4(OH)COOH + C4H6O3 = C6H4(OCOCH3)COOH =>
11 C6H4(OH)COOH + C4H6O3 = 9 C6H4(OCOCH3)COOH
C + HNO3 = NO2 + H2O + CO2 =>
C + 4 HNO3 = 4 NO2 + 2 H2O + CO2
Al + Hg2(NO3)2 = Al(NO3)3 + Hg =>
2 Al + 3 Hg2(NO3)2 = 2 Al(NO3)3 + 6 Hg
K2MnO4 + KI + H2O = MnO2 + KIO3 + KOH =>
3 K2MnO4 + KI + 3 H2O = 3 MnO2 + KIO3 + 6 KOH
MnO4{-} + H{+} + Cl{-} = H2O + Cl2 + Mn{2+} =>
2 MnO4{-} + 16 H{+} + 10 Cl{-} = 8 H2O + 5 Cl2 + 2 Mn{2+}
ZnBr2 + HCl = ZnCl2 + HBr =>
ZnBr2 + 2 HCl = ZnCl2 + 2 HBr
Cd(OH)2 + HCl = CdOHCl + H2O =>
Cd(OH)2 + HCl = CdOHCl + H2O
I2O = I2 + O2 =>
2 I2O = 2 I2 + O2
Mg(OH)2 + NaOH = MgOH + Na(OH)2 =>
Mg(OH)2 + NaOH = MgOH + Na(OH)2
Fe(NO3)2 = FeO + NO2 + O2 =>
2 Fe(NO3)2 = 2 FeO + 4 NO2 + O2
FeAsS + Fe2(SO4)3 + H2O = FeSO4 + H2SO4 + H3AsO4 =>
2 FeAsS + 13 Fe2(SO4)3 + 16 H2O = 28 FeSO4 + 13 H2SO4 + 2 H3AsO4
KOH + (NH4)2SO4 = NH3 + HOH + K2SO4 =>
2 KOH + (NH4)2SO4 = 2 NH3 + 2 HOH + K2SO4
Au(s) + CoBr2(aq) = Co + AuBr2 =>
Au(s) + CoBr2(aq) = Co + AuBr2
(NH4)3PO4(aq) + NaOH(aq) = Na3PO4(aq) + H2O(l) + NH3 =>
(NH4)3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 H2O(l) + 3 NH3
HCOOHCH3OH = COOHCH3H2O =>
HCOOHCH3OH = COOHCH3H2O
SnO2 + H2 = Sn + H2O0 =>
SnO2 + 2 H2 = Sn + 2 H2O0
C13 + H18 + O2 = C13H18O2 =>
C13 + H18 + O2 = C13H18O2
CaCl2 + O3 = CaO + Cl2 =>
3 CaCl2 + O3 = 3 CaO + 3 Cl2
KCl(aq) + Na2SO4(aq) = K2SO4(aq) + NaCl(s) =>
2 KCl(aq) + Na2SO4(aq) = K2SO4(aq) + 2 NaCl(s)
Te + HClO3 + H2O = H6TeO6 + HCl =>
Te + HClO3 + 3 H2O = H6TeO6 + HCl
Th(OH)3 + HNO2 = Th(NO2)3 + H2O =>
Th(OH)3 + 3 HNO2 = Th(NO2)3 + 3 H2O
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