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6 CaO + 4 P = 2 Ca3P2 + 3 O2
CuI + Br = CuBr2 + I =>
CuI + 2 Br = CuBr2 + I
H2SO4(aq) + HI(aq) = I2(s) + SO2(g) + H2O =>
H2SO4(aq) + 2 HI(aq) = I2(s) + SO2(g) + 2 H2O
Mo + Br2 = MoBr3 =>
2 Mo + 3 Br2 = 2 MoBr3
HNO3NaOH = NaNO3H2O =>
HNO3NaOH = NaNO3H2O
ZnCl2(aq) + KOH(aq) = Zn(OH)2(aq) + KCl(s) =>
ZnCl2(aq) + 2 KOH(aq) = Zn(OH)2(aq) + 2 KCl(s)
C6H5CN + H2O = C6H5COOH + NH3 =>
C6H5CN + 2 H2O = C6H5COOH + NH3
MnO4 + H2S = Mn + S + H2O =>
MnO4 + 4 H2S = Mn + 4 S + 4 H2O
C4H10O + Na = C4H8ONa + H2 =>
C4H10O + Na = C4H8ONa + H2
CH2CHCH3 + KMnO4 + H2O = CH2OHCHOHCH3 + MnO2 + KOH =>
3 CH2CHCH3 + 2 KMnO4 + 4 H2O = 3 CH2OHCHOHCH3 + 2 MnO2 + 2 KOH
HFt + OH = Ft2 + H2O =>
2 HFt + 2 OH = Ft2 + 2 H2O
*2H2 + *3I2 = *4HI =>
3*2H2 + 2*3I2 = 3*4HI
Fe + HNO3 = Fe(NO3)3 + NH4NO3 + H2O =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 3 NH4NO3 + 9 H2O
Hg2{2+} + HCl = Hg2Cl2 + H{+} =>
Hg2{2+} + 2 HCl = Hg2Cl2 + 2 H{+}
Na2S + SO2 = Na2SO3 + S =>
2 Na2S + 3 SO2 = 2 Na2SO3 + 3 S
NaOCl + C3H6O = NaCl + CH + HO =>
2 NaOCl + C3H6O = 2 NaCl + 3 CH + 3 HO
S(s) + O2(g) + H20(l) = H2SO4(l) =>
10 S(s) + 20 O2(g) + H20(l) = 10 H2SO4(l)
NH4Br = NH4 + Br =>
NH4Br = NH4 + Br
H2S + HNO3 = NO + H2O + S =>
3 H2S + 2 HNO3 = 2 NO + 4 H2O + 3 S
W + Na2CO3 + O2 = Na2WO4 + CO2 =>
2 W + 2 Na2CO3 + 3 O2 = 2 Na2WO4 + 2 CO2
KI(aq) + Pb(NO3)2 = KNO3(aq) + PbI2(s) =>
2 KI(aq) + Pb(NO3)2 = 2 KNO3(aq) + PbI2(s)
CO3{2-} + HCl = H2CO3 + Cl{-} =>
CO3{2-} + 2 HCl = H2CO3 + 2 Cl{-}
CH3 + Br2 = CBr4 + HBr =>
2 CH3 + 7 Br2 = 2 CBr4 + 6 HBr
Co + H2SO4 = Co(SO4)2 + H2 =>
Co + 2 H2SO4 = Co(SO4)2 + 2 H2
B2O3 + C + Cl = BCl3 + CO2 =>
2 B2O3 + 3 C + 12 Cl = 4 BCl3 + 3 CO2
NHO3 + HCl = NOCl + H2O + Cl =>
NHO3 + 3 HCl = NOCl + 2 H2O + 2 Cl
K2CO3 + HNO3 = H2CO3 + KNO3 =>
K2CO3 + 2 HNO3 = H2CO3 + 2 KNO3
Ni(C2H3O2)2 + HCl = NiCl2 + H(C2H3O2) =>
Ni(C2H3O2)2 + 2 HCl = NiCl2 + 2 H(C2H3O2)
Ge(OH)4 + H2CO3 = Ge(CO3)2 + H2O =>
Ge(OH)4 + 2 H2CO3 = Ge(CO3)2 + 4 H2O
K3PO4 + Zn(C2H3O2)2 = K(C2H3O2) + Zn3(PO4)2 =>
2 K3PO4 + 3 Zn(C2H3O2)2 = 6 K(C2H3O2) + Zn3(PO4)2
C15H31OH + O2 = CO + H2O =>
C15H31OH + 15 O2 = 15 CO + 16 H2O
COCl2(g) + H2O(l) = CO2(g) + HCl(g) =>
COCl2(g) + H2O(l) = CO2(g) + 2 HCl(g)
K3PO4 = K3 + PO4 =>
K3PO4 = K3 + PO4
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
C8H18 + Br2 = C8H17Br + HBr =>
C8H18 + Br2 = C8H17Br + HBr
P2O5(s) + H2O(l) = H3PO4(aq) =>
P2O5(s) + 3 H2O(l) = 2 H3PO4(aq)
MoO3 + H2SO4 + Zn = Mo2O3 + H2O + ZnSO4 =>
2 MoO3 + 3 H2SO4 + 3 Zn = Mo2O3 + 3 H2O + 3 ZnSO4
KMnO4 + KCl + H2SO4 = Cl2 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 10 KCl + 8 H2SO4 = 5 Cl2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
Pb(C2H5)4 + O = Pb + CO2 + H2O =>
Pb(C2H5)4 + 26 O = Pb + 8 CO2 + 10 H2O
Fe2O3 + H + K + Al + SiO2 = Fe + KAl2(AlSi3O10)(OH)2 =>
2 Fe2O3 + 2 H + K + 3 Al + 3 SiO2 = 4 Fe + KAl2(AlSi3O10)(OH)2
HF + SbF5 = HSbF6 =>
HF + SbF5 = HSbF6
Ca + HNO3 = N2O + Ca(NO3)2 + H2O =>
4 Ca + 10 HNO3 = N2O + 4 Ca(NO3)2 + 5 H2O
NaPO4 + Ca(OH) = Ca(PO4) + NaOH =>
NaPO4 + Ca(OH) = Ca(PO4) + NaOH
BaS + KMnO4 = Ba(MnO4)2 + K2S =>
BaS + 2 KMnO4 = Ba(MnO4)2 + K2S
CH3OOH + KOH = CH3COOK + H2O =>
2 CH3OOH + KOH = CH3COOK + 3 H2O
N2O(g) + KClO(aq) + KOH(aq) = KCl(aq) + KNO2(aq) + H2O(l) =>
N2O(g) + 2 KClO(aq) + 2 KOH(aq) = 2 KCl(aq) + 2 KNO2(aq) + H2O(l)
Gd(NO3)3 + (NH4)6Mo7O24*4H2O = Gd2(MoO4)3 + NO2 + NH3 + H2O =>
14 Gd(NO3)3 + 3(NH4)6Mo7O24*4H2O = 7 Gd2(MoO4)3 + 48 NO2 + 12 NH3 + 30 H2O
MnO2 + HCl(aq) = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl(aq) = MnCl2 + 2 H2O + Cl2
CuS + NH4OH = [Cu(NH3)4]S + H2O =>
CuS + 4 NH4OH = [Cu(NH3)4]S + 4 H2O
Sr + Si = Sr2Si =>
2 Sr + Si = Sr2Si
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