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2 Be + O2 = 2 BeO
NaCl(aq) = NaCl(s) =>
NaCl(aq) = NaCl(s)
CH3COOH + CaCO3 + HCl = H2O + CH3COO + CaCl2 =>
7 CH3COOH + 2 CaCO3 + 4 HCl = 4 H2O + 8 CH3COO + 2 CaCl2
FeCl3 + K4Fe(CN)6 = KCl + Fe4[Fe(CN)6]3 =>
4 FeCl3 + 3 K4Fe(CN)6 = 12 KCl + Fe4[Fe(CN)6]3
Cu(NO3)2 + SO2 = CuSO4 + NO2 =>
Cu(NO3)2 + SO2 = CuSO4 + 2 NO2
C2H3O2{-} + O2 + H{+} = CO2 + H2O =>
C2H3O2{-} + 2 O2 + H{+} = 2 CO2 + 2 H2O
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
NaCuCl2 = NaCl2Cu =>
NaCuCl2 = NaCl2Cu
Al2O3 + NaOH = Na3AlO3 + H2O =>
Al2O3 + 6 NaOH = 2 Na3AlO3 + 3 H2O
K(OH) + H3PO4 = K2HPO4 + H2O =>
2 K(OH) + H3PO4 = K2HPO4 + 2 H2O
N2O4 + H2O = N2 + HNO3 =>
5 N2O4 + 4 H2O = N2 + 8 HNO3
NaCO3 + H2SO3 = Na2SO4 + CO2 + H2O =>
2 NaCO3 + H2SO3 = Na2SO4 + 2 CO2 + H2O
C4 = C =>
C4 = 4 C
NaNO3 + AgF = NaF + AgNO3 =>
NaNO3 + AgF = NaF + AgNO3
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 6 I + 7 H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Fe + KMnO4 = KMn + Fe2O3 =>
8 Fe + 3 KMnO4 = 3 KMn + 4 Fe2O3
CaCO3 + O = Ca + CO22 =>
CaCO3 + 19 O = Ca + CO22
Cu(OAc)2 + PhCH2OH = Cu + PhCHO + AcOH =>
Cu(OAc)2 + PhCH2OH = Cu + PhCHO + 2 AcOH
HNO3 + KOH = H2NO3 + KO =>
HNO3 + KOH = H2NO3 + KO
C = C60 =>
60 C = C60
(CH3)2C = CHCH3 =>
2(CH3)2C = 3 CHCH3
CdBr2 + Na2S = CdS + NaBr =>
CdBr2 + Na2S = CdS + 2 NaBr
Cs2O + HCl = CsCl + H2O =>
Cs2O + 2 HCl = 2 CsCl + H2O
Ba3(Po4)2 = Ba + Po4 =>
Ba3(Po4)2 = 3 Ba + 2 Po4
Na3PO4 + H2O = Na3(OH)3 + H3PO4 =>
Na3PO4 + 3 H2O = Na3(OH)3 + H3PO4
FeCl2 + Na2CO3 = NaCl + FeCO3 =>
FeCl2 + Na2CO3 = 2 NaCl + FeCO3
AuPO4 = Au(PO4) =>
AuPO4 = Au(PO4)
C3H4O + HBr = C3H5OBr =>
C3H4O + HBr = C3H5OBr
MgI2 + HNO3 + H2SO4 = MgSO4 + NO + I2 + H2O =>
3 MgI2 + 2 HNO3 + 3 H2SO4 = 3 MgSO4 + 2 NO + 3 I2 + 4 H2O
K2Cr2O7 + FeCl + HCl = Cr2Cl3 + FeCl3 + KCl + H2O =>
2 K2Cr2O7 + 9 FeCl + 28 HCl = 2 Cr2Cl3 + 9 FeCl3 + 4 KCl + 14 H2O
CdBr2 + Na2S = CdS + Na2Br2 =>
CdBr2 + Na2S = CdS + Na2Br2
CuSO4 + Na2CO3 + H2O = Cu3(OH)2(CO3)2 + Na2SO4 + CO2 =>
3 CuSO4 + 3 Na2CO3 + H2O = Cu3(OH)2(CO3)2 + 3 Na2SO4 + CO2
BaC2 + H2SO4 = BaSO4 + HC =>
BaC2 + H2SO4 = BaSO4 + 2 HC
C + S + NO3{-} = N2 + CO2 + S{2-} =>
3 C + S + 2 NO3{-} = N2 + 3 CO2 + S{2-}
Ca(OH)Cl = CaCl2Ca(OH)2 =>
2 Ca(OH)Cl = CaCl2Ca(OH)2
Ca3P2O8 + H2SO4 = CaSO4 + CaH4P2O8 =>
Ca3P2O8 + 2 H2SO4 = 2 CaSO4 + CaH4P2O8
BaCl2 + NaCo3 = Ba(Co3)2 + NaCl =>
BaCl2 + 2 NaCo3 = Ba(Co3)2 + 2 NaCl
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
CH3COOH + CaCO3 + HCl = H2O + CH3COO + CaCl2 =>
7 CH3COOH + 2 CaCO3 + 4 HCl = 4 H2O + 8 CH3COO + 2 CaCl2
SO2 + I3{-} + H2O = SO4{2-} + I{-} + H{+} =>
SO2 + I3{-} + 2 H2O = SO4{2-} + 3 I{-} + 4 H{+}
Cu(NO3)2 + H2O = Cu + H2ONO3 =>
Cu(NO3)2 + 2 H2O = Cu + 2 H2ONO3
K2O + CaO = K2CaO2 =>
K2O + CaO = K2CaO2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Cr + PbNo3 = Pb + CrNo3 =>
Cr + PbNo3 = Pb + CrNo3
FeS2 + Fe3O4 = FeS + O2 =>
3 FeS2 + Fe3O4 = 6 FeS + 2 O2
FeI2 + HI + H2O2 = FeI3 + H2O =>
2 FeI2 + 2 HI + H2O2 = 2 FeI3 + 2 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
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