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4 KO2 + 2 H2O = 3 O2 + 4 KOH
Cu(NO3)2 + Cr = Cr(NO3) + Cu =>
Cu(NO3)2 + 2 Cr = 2 Cr(NO3) + Cu
Zn(s) + HI(aq) = ZnI + H2 =>
2 Zn(s) + 2 HI(aq) = 2 ZnI + H2
Br2(aq) + S2O3{2−}(aq) + H2O = Br{-}(aq) + SO4{2−}(aq) + H{+} =>
6 Br2(aq) + S2O3{2−}(aq) + 5 H2O = 12 Br{-}(aq) + 2 SO4{2−}(aq) + 10 H{+}
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
CH2O + Ag2O = HCOOH + Ag =>
CH2O + Ag2O = HCOOH + 2 Ag
HOCl + NaOH = NaClO + H2O =>
HOCl + NaOH = NaClO + H2O
FeCl2 + Br2 = FeBr2 + Cl2 =>
FeCl2 + Br2 = FeBr2 + Cl2
Zn + HClO3 = ZnClO3 + H2 =>
2 Zn + 2 HClO3 = 2 ZnClO3 + H2
C2H4O + H2O = C2H4(OH)2 =>
C2H4O + H2O = C2H4(OH)2
Cs + SrCrO4 = CsCrO4 + Sr =>
Cs + SrCrO4 = CsCrO4 + Sr
NaNO3(aq) + KCl(aq) = NaCl + KNO3 =>
NaNO3(aq) + KCl(aq) = NaCl + KNO3
KMnO4 + C7H8 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
36 KMnO4 + 5 C7H8 + 54 H2SO4 = 18 K2SO4 + 36 MnSO4 + 35 CO2 + 74 H2O
Al2(SO4)3 + Fe4C3 + N2 + CO2 = Al4(Fe(CN)6)3 + FeS + NO =>
8 Al2(SO4)3 + 9 Fe4C3 + 129 N2 + 45 CO2 = 4 Al4(Fe(CN)6)3 + 24 FeS + 186 NO
Na2S2O3 + H2O = H2S2O3 + NaOH =>
Na2S2O3 + 2 H2O = H2S2O3 + 2 NaOH
H2CO3 + NH3 = H + NH3CO3 =>
H2CO3 + NH3 = 2 H + NH3CO3
C6H12 + Cl2 = C6H6Cl6 + HCl =>
C6H12 + 6 Cl2 = C6H6Cl6 + 6 HCl
Fe{3+} + OH{-} = Fe(OH)3 =>
Fe{3+} + 3 OH{-} = Fe(OH)3
ZnSO4 + NH3 = ZnNH3 + SO4 =>
ZnSO4 + NH3 = ZnNH3 + SO4
H2C2O4*2H2O + KMnO4 = CO2 + K2O + MnO + H2O =>
5 H2C2O4*2H2O + 2 KMnO4 = 10 CO2 + K2O + 2 MnO + 15 H2O
HCl + AgNo3 = AgCl + HNo3 = AgCl + H2O + CO =>
HCl + AgNo3 = AgCl + HNo3
CrO3 + HCl = CrCl2 + Cl2 + H2O =>
CrO3 + 6 HCl = CrCl2 + 2 Cl2 + 3 H2O
SO3(aq) + H2O(l) = H2SO4 =>
SO3(aq) + H2O(l) = H2SO4
H2(g) + V2O5(s) = V2O3(s) + H2O =>
2 H2(g) + V2O5(s) = V2O3(s) + 2 H2O
Cl2CoH12O6 = CoCl2 + H2O =>
Cl2CoH12O6 = CoCl2 + 6 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
KAl(SO4)2*12H2O + Ba(NO3)2 = BaSO4 + K + Al + NO3 + H2O =>
KAl(SO4)2*12H2O + 2 Ba(NO3)2 = 2 BaSO4 + K + Al + 4 NO3 + 12 H2O
Ca3(PO4)2(aq) + H2SO4(aq) = CaSO4(aq) + Ca(H2PO4)2(aq) =>
Ca3(PO4)2(aq) + 2 H2SO4(aq) = 2 CaSO4(aq) + Ca(H2PO4)2(aq)
CuI2 + Br = CuBr2 + I2 =>
CuI2 + 2 Br = CuBr2 + I2
P2O5 + Al = P + Al2O3 =>
3 P2O5 + 10 Al = 6 P + 5 Al2O3
Be(OH)2 + Ba(OH)2 = BaBeO2 + H2O =>
Be(OH)2 + Ba(OH)2 = BaBeO2 + 2 H2O
Ba(NO3)2 + K2(SO4) = Ba(SO4) + K(NO3) =>
Ba(NO3)2 + K2(SO4) = Ba(SO4) + 2 K(NO3)
CrO3 + Ca(OH)2 = CaCrO4 + H2O =>
CrO3 + Ca(OH)2 = CaCrO4 + H2O
K2O + Ba(OH)2 = KOH + BaO =>
K2O + Ba(OH)2 = 2 KOH + BaO
NaOH + KAl(SO4)2 = Al(OH)3 + Na2SO4 + KOH =>
4 NaOH + KAl(SO4)2 = Al(OH)3 + 2 Na2SO4 + KOH
AgNO3 + NH4 = Ag + NH4NO3 =>
AgNO3 + NH4 = Ag + NH4NO3
Mg(OH)2(aq) + HBr(aq) = MgBr2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HBr(aq) = MgBr2(aq) + 2 H2O(l)
HF + H2O = F{-} + H3O{+} =>
HF + H2O = F{-} + H3O{+}
Fe2O3 + Pb = FeO + PbO =>
Fe2O3 + Pb = 2 FeO + PbO
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COH + H2O =>
3 CH3CH2CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2COH + 7 H2O
Ba(OH)2 + K = K(OH) + Ba =>
Ba(OH)2 + 2 K = 2 K(OH) + Ba
Mg + Cr2O3 = (MgO)(Cr2O3) + Cr =>
3 Mg + 4 Cr2O3 = 3(MgO)(Cr2O3) + 2 Cr
CH3CH3(g) + O2 = CO2 + H2O =>
2 CH3CH3(g) + 7 O2 = 4 CO2 + 6 H2O
(Ba(OH)2) + HBr = BaBr2 + H2O =>
(Ba(OH)2) + 2 HBr = BaBr2 + 2 H2O
C10H14 + KMnO4 + H2SO4 = C8H6O4 + MnSO4 + K2SO4 + H2O =>
20 C10H14 + 66 KMnO4 + 99 H2SO4 = 25 C8H6O4 + 66 MnSO4 + 33 K2SO4 + 164 H2O
C6H5NO2 + Sn + HCl = C6H5NH3Cl + SnCl2 + H2O =>
C6H5NO2 + 3 Sn + 7 HCl = C6H5NH3Cl + 3 SnCl2 + 2 H2O
Si + CO = SiC + SiO2 =>
3 Si + 2 CO = 2 SiC + SiO2
C3H5O(COOH) + Ba(OH) = C3H5O(COO)Ba + H(OH) =>
C3H5O(COOH) + Ba(OH) = C3H5O(COO)Ba + H(OH)
Cu + H2O = Cu(OH)2 + H2 =>
Cu + 2 H2O = Cu(OH)2 + H2
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