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B2O3 + 4 Mg = MgB2 + 3 MgO
HBr + Hg2(NO3)2 = H(NO3)2 + Hg2Br =>
HBr + Hg2(NO3)2 = H(NO3)2 + Hg2Br
Zn + S + O = ZnSO3 =>
Zn + S + 3 O = ZnSO3
CaCl2 + K3Po4 = Ca3(Po4)2 + KCl =>
3 CaCl2 + 2 K3Po4 = Ca3(Po4)2 + 6 KCl
Cu2S + O = CuO + SO2 =>
Cu2S + 4 O = 2 CuO + SO2
MnO4{-} + SO3{2-} + H{+} = Mn{+2} + SO4{2-} + H2O =>
2 MnO4{-} + 5 SO3{2-} + 6 H{+} = 2 Mn{+2} + 5 SO4{2-} + 3 H2O
Zn3Sb2 + H2O = Zn(OH)2 + SbH3 =>
Zn3Sb2 + 6 H2O = 3 Zn(OH)2 + 2 SbH3
H2S + MgO = MgS + H2O =>
H2S + MgO = MgS + H2O
Zn + AsO3 + H2SO4 = ZnSO4 + H2O + H3As =>
9 Zn + 2 AsO3 + 9 H2SO4 = 9 ZnSO4 + 6 H2O + 2 H3As
Fe(OH)3 = (Fe)2(O)3 + (H)2O =>
2 Fe(OH)3 = (Fe)2(O)3 + 3(H)2O
BaCl2 + NaOH = Ba(OH)2 + NaCl() =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl()
BaO + N2O5 = Ba(NO3)2 =>
BaO + N2O5 = Ba(NO3)2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Fe(OH)3 = (Fe)2(O)3 + (H)2O =>
2 Fe(OH)3 = (Fe)2(O)3 + 3(H)2O
(RCOOH) + CaCO3 = (RCOO)2Ca + CO2 + H2O =>
2(RCOOH) + CaCO3 = (RCOO)2Ca + CO2 + H2O
Fe + H2SO3 = FeSO3 + H2 =>
Fe + H2SO3 = FeSO3 + H2
CaH2 + H2O = (Ca(OH)2) + H =>
CaH2 + 2 H2O = (Ca(OH)2) + 4 H
Cr(NO3)3 + K4Fe(CN)6 = KNO3 + Cr4[Fe(CN)6]3 =>
4 Cr(NO3)3 + 3 K4Fe(CN)6 = 12 KNO3 + Cr4[Fe(CN)6]3
KMnO4 + Mn(NO3)2 + H2O = MnO2 + Mn(NO3)3 + KOH =>
4 KMnO4 + 9 Mn(NO3)2 + 2 H2O = 7 MnO2 + 6 Mn(NO3)3 + 4 KOH
Cr{+6} + {-} = Cr{+3} =>
Cr{+6} + 3e = Cr{+3}
AgNO3 + K3PO4 = KNO3 + Ag3PO4 =>
3 AgNO3 + K3PO4 = 3 KNO3 + Ag3PO4
Na2Co3 + MnCl2 = Na2Co3MnCl2 =>
Na2Co3 + MnCl2 = Na2Co3MnCl2
C5H12O + H2O = CH4 + CO2 =>
4 C5H12O + 6 H2O = 15 CH4 + 5 CO2
BaBr2 + CuSO4 = BaSO4 + CuBr2 =>
BaBr2 + CuSO4 = BaSO4 + CuBr2
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
S8 + H2SO4 = SO2 + H2O =>
S8 + 16 H2SO4 = 24 SO2 + 16 H2O
NaOH + Br = NaBr + OH =>
NaOH + Br = NaBr + OH
MgCO3 + Ca(OH)2 = Mg(OH)2 + CaCO3 =>
MgCO3 + Ca(OH)2 = Mg(OH)2 + CaCO3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
CH3COCH3 + NaOH = CH3COHONaCH3 =>
CH3COCH3 + NaOH = CH3COHONaCH3
MnI2 + H2O = H2 + I + Mn(OH)2 =>
MnI2 + 2 H2O = H2 + 2 I + Mn(OH)2
FeSO4 + O2 + CaCO3 + H2O = Fe(OH)3 + CaSO4 + CO2 =>
4 FeSO4 + O2 + 4 CaCO3 + 6 H2O = 4 Fe(OH)3 + 4 CaSO4 + 4 CO2
FeCl3 + K4[Fe(Cn)6] = Fe4[Fe(Cn)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(Cn)6] = Fe4[Fe(Cn)6]3 + 12 KCl
C2O4{-2} + H = HC2O4{-} + e =>
C2O4{-2} + H = HC2O4{-} + e
H3O + SO4 = H3O4 + SO =>
H3O + SO4 = H3O4 + SO
H3O + SO4 = H2SO4 + OH =>
H3O + SO4 = H2SO4 + OH
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
C2H3O2K + C2H6O = C4H8O2 + KOH =>
C2H3O2K + C2H6O = C4H8O2 + KOH
Cu2S + O = Cu + SO4 =>
Cu2S + 4 O = 2 Cu + SO4
Ba(s) + H2O = BaO + H2 =>
Ba(s) + H2O = BaO + H2
Al2(Co3)3 + H2O = Al(OH)3 + H2Co3 =>
Al2(Co3)3 + 6 H2O = 2 Al(OH)3 + 3 H2Co3
Mn + NaOH = MnO2 + Na + H =>
Mn + 2 NaOH = MnO2 + 2 Na + 2 H
Sc(NH2)3NaCl + NaNH2 = Na3ScN2 + NH3 + NaCl =>
Sc(NH2)3NaCl + 3 NaNH2 = Na3ScN2 + 4 NH3 + NaCl
Cu2S + O = Cu + SO2 =>
Cu2S + 2 O = 2 Cu + SO2
S6 + O = SO3 =>
S6 + 18 O = 6 SO3
C4H8 + KMnO4 + H2O = C4H8(OH)2 + MnO2 + KOH =>
3 C4H8 + 2 KMnO4 + 4 H2O = 3 C4H8(OH)2 + 2 MnO2 + 2 KOH
LiH + BF3 = LiBH4 + LiF =>
4 LiH + BF3 = LiBH4 + 3 LiF
C3H5(NO3)3 = CO2 + H2O + N2 + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 10 H2O + 6 N2 + O2
Na(s) + H2(g) = NaH2(g) =>
Na(s) + H2(g) = NaH2(g)
Be2 + O2 = BeO =>
Be2 + O2 = 2 BeO
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