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SiO2 = 2 O + Si
Cu2 + (CO3)2 = CuCO3 =>
Cu2 + (CO3)2 = 2 CuCO3
KI(aq) + Br(l) = KBr(aq) + I2(s) =>
2 KI(aq) + 2 Br(l) = 2 KBr(aq) + I2(s)
Fe(OH)2 + SO3 = FeSO4 + H2O =>
Fe(OH)2 + SO3 = FeSO4 + H2O
(NH4)2SO4 + O2 = H2SO4 + HNO3 + H2O2 =>
(NH4)2SO4 + 5 O2 = H2SO4 + 2 HNO3 + 2 H2O2
CrO + Ca = Cr + CaO =>
CrO + Ca = Cr + CaO
BeSO4 + KOH = BeOH + KSO4 =>
BeSO4 + KOH = BeOH + KSO4
P2O3 + H2O = H3PO4 + H2 =>
P2O3 + 5 H2O = 2 H3PO4 + 2 H2
Al(MnO4)3 = MnO4 + Al3 =>
3 Al(MnO4)3 = 9 MnO4 + Al3
KMnO4 + K2CO3 = K3CO3 + MnO4 =>
KMnO4 + K2CO3 = K3CO3 + MnO4
K4[Fe(CN)6] + AgNO3 = Ag4[Fe(CN)6] + KNO3 =>
K4[Fe(CN)6] + 4 AgNO3 = Ag4[Fe(CN)6] + 4 KNO3
Fe3(PO4)2 + C6H8O7 = Fe + H3PO4 + C6H7O7 =>
Fe3(PO4)2 + 6 C6H8O7 = 3 Fe + 2 H3PO4 + 6 C6H7O7
NH3 + CH3CH2CH2Cl = CH3CH2CH2NH3Cl =>
NH3 + CH3CH2CH2Cl = CH3CH2CH2NH3Cl
Ca(ClO)2 + HCl = CaCl2 + H2O + Cl2 =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 H2O + 2 Cl2
Fe + Cl2 + H2O = [Fe(H2O)6]{3+} + Cl{-} =>
2 Fe + 3 Cl2 + 12 H2O = 2[Fe(H2O)6]{3+} + 6 Cl{-}
KClO2 + H2SO4 = HClO2 + K2SO4 =>
2 KClO2 + H2SO4 = 2 HClO2 + K2SO4
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
HBr + Ca(HCO3)2 = CaBr2 + CO2(g) + H2O(l) =>
2 HBr + Ca(HCO3)2 = CaBr2 + 2 CO2(g) + 2 H2O(l)
AgCl + NO2 = AgNO2 + Cl =>
AgCl + NO2 = AgNO2 + Cl
NaOH + Ca(OH)2 = Na(OH)2 + CaOH =>
NaOH + Ca(OH)2 = Na(OH)2 + CaOH
Al2(SO4)3 + Na2S = Al2S3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2S = Al2S3 + 3 Na2SO4
CH3OH = CH4 + O2 =>
2 CH3OH = 2 CH4 + O2
C2O4H2(H2O)2 + K2Cr2O7 = K(Cr(C2O4)2(H2O)3)(H2O)2 + H2O + CO2 =>
7 C2O4H2(H2O)2 + K2Cr2O7 = 2 K(Cr(C2O4)2(H2O)3)(H2O)2 + 11 H2O + 6 CO2
SiO2 + Co + C = SiC + Co2O3 =>
3 SiO2 + 4 Co + 3 C = 3 SiC + 2 Co2O3
HCOOH + KOH = HCOO{-} + K{+} + H2O =>
HCOOH + KOH = HCOO{-} + K{+} + H2O
SN + HCl + NO = SNCl2 + NH2OH =>
3 SN + 6 HCl + 2 NO = 3 SNCl2 + 2 NH2OH
Fe + H2SO4(p) = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4(p) = Fe2(SO4)3 + 3 H2
FeCl2 + K2SO4 = KCl + Fe2(SO4)2 =>
2 FeCl2 + 2 K2SO4 = 4 KCl + Fe2(SO4)2
Al2(SO4)3(aq) + H2O(l) = Al(OH)3(s) + H2SO4(g) =>
Al2(SO4)3(aq) + 6 H2O(l) = 2 Al(OH)3(s) + 3 H2SO4(g)
MnO4{-} + S{2-} + H{+} = Mn2{+} + S + H2O =>
4 MnO4{-} + 13 S{2-} + 32 H{+} = 2 Mn2{+} + 13 S + 16 H2O
H2CO3(aq) = H2O(l) + CO2(g)H2CO3(aq) = H2O(l) + CO2(g) =>
2 H2CO3(aq) = H2O(l) + CO2(g)H2CO3(aq)
Na2CO3 + C4H5KO6 = C4H4KNaO6 + CO2 + H2O =>
Na2CO3 + 2 C4H5KO6 = 2 C4H4KNaO6 + CO2 + H2O
KBrO3 + MnO2 = KMn + BrO + O2 =>
KBrO3 + MnO2 = KMn + BrO + 2 O2
AlCl3 + SrO = Al2O3 + SrCl2 =>
2 AlCl3 + 3 SrO = Al2O3 + 3 SrCl2
Al + HCl = AlCl3 + H2 = NaOH + O2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C5H10Br2 + KOH = C5H8 + KBr + H2O =>
C5H10Br2 + 2 KOH = C5H8 + 2 KBr + 2 H2O
C6H14O(l) + O2 = CO2(g) + H2O(l) =>
C6H14O(l) + 9 O2 = 6 CO2(g) + 7 H2O(l)
BaCl2 + CK2O3 = CBaO3 + KCl =>
BaCl2 + CK2O3 = CBaO3 + 2 KCl
C2H5OH(ethanol) + KMnO4 = CH3COOH + MnO2 + KOH + H2O =>
3 C2H5OH(ethanol) + 4 KMnO4 = 3 CH3COOH + 4 MnO2 + 4 KOH + H2O
Na2SO3 + H2SO4 + Na2Cr2O7 = Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2SO3 + 4 H2SO4 + Na2Cr2O7 = Cr2(SO4)3 + 4 Na2SO4 + 4 H2O
Mg(OH)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
CaO + KOH = CaH + O2K =>
CaO + KOH = CaH + O2K
Cr2O7{-2} + CH3CH2CH2OH + H{+} = Cr{+3} + CH3CH2CHO + H2O =>
Cr2O7{-2} + 3 CH3CH2CH2OH + 8 H{+} = 2 Cr{+3} + 3 CH3CH2CHO + 7 H2O
BN + O2 = B2O3 + NO2 =>
4 BN + 7 O2 = 2 B2O3 + 4 NO2
Mn + H2O + O2 = Mn(OH)2 =>
2 Mn + 2 H2O + O2 = 2 Mn(OH)2
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
K2S + HClO2 = KClO2 + H2S =>
K2S + 2 HClO2 = 2 KClO2 + H2S
Al + NaOH + NaClO3 = Na3AlO3 + NaCl + H2O =>
2 Al + 6 NaOH + NaClO3 = 2 Na3AlO3 + NaCl + 3 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Na2SO4 + Cu(NO3)2 = NaNO3 + CuSO4 =>
Na2SO4 + Cu(NO3)2 = 2 NaNO3 + CuSO4
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