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CaCO3 = CaO + CO2
BaO2 + HCl = BaCl2 + H2O + O2 =>
2 BaO2 + 4 HCl = 2 BaCl2 + 2 H2O + O2
H3PO4 + Cu(OH)2 = Cu3(PO4)2 + H2O =>
2 H3PO4 + 3 Cu(OH)2 = Cu3(PO4)2 + 6 H2O
Ca + C + O = Ca(CO)2 =>
Ca + 2 C + 2 O = Ca(CO)2
Sn(s) + As(s) = Sn3As2(s) =>
3 Sn(s) + 2 As(s) = Sn3As2(s)
KCl(s) = Cl2(g) + K(s) =>
2 KCl(s) = Cl2(g) + 2 K(s)
CuSO4(H2O)6 + HCl = CuCl2 + H2SO4 + H2O =>
CuSO4(H2O)6 + 2 HCl = CuCl2 + H2SO4 + 6 H2O
SnP5 = Sn + P4 =>
4 SnP5 = 4 Sn + 5 P4
CH3COOH + KHCO3 = CH3COOK + CO2 + H2O =>
CH3COOH + KHCO3 = CH3COOK + CO2 + H2O
As2S3 + HNO3 + H2O = H3AsO4 + H2SO5 + NO =>
3 As2S3 + 34 HNO3 + H2O = 6 H3AsO4 + 9 H2SO5 + 34 NO
BaBr2 + H2SO4 = BaSO4 + Br2H2 =>
BaBr2 + H2SO4 = BaSO4 + Br2H2
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
C2H2 + H2O + NaOH = CH3COONa + H2 =>
C2H2 + H2O + NaOH = CH3COONa + H2
(C24H29O42N11)2 + K2Cr2O7 = K2O + Cr2O3 + HNO3 + H2O + CO2 =>
(C24H29O42N11)2 + 32 K2Cr2O7 = 32 K2O + 32 Cr2O3 + 22 HNO3 + 18 H2O + 48 CO2
MgCl2 + K2CO3 = MgCO3 + KCl =>
MgCl2 + K2CO3 = MgCO3 + 2 KCl
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
HOH + Mg = H2 + Mg(OH)2 =>
2 HOH + Mg = H2 + Mg(OH)2
CaCl2 + KI = CaI2 + KCl =>
CaCl2 + 2 KI = CaI2 + 2 KCl
FeS + O2 = (Fe2)O3 + SO2 =>
4 FeS + 7 O2 = 2(Fe2)O3 + 4 SO2
KHS + Ca(OH)2 = CaS + K2S + H2O =>
2 KHS + Ca(OH)2 = CaS + K2S + 2 H2O
FeCl3 + NaClO3 = Fe(ClO3)3 + NaCl =>
FeCl3 + 3 NaClO3 = Fe(ClO3)3 + 3 NaCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
AgNO3 + C2H4 = Ag + H2O + C + N =>
2 AgNO3 + 3 C2H4 = 2 Ag + 6 H2O + 6 C + 2 N
C6H110H + O2 = CO2 + H2O =>
4 C6H110H + 135 O2 = 24 CO2 + 222 H2O
C2H2(g) + H2O(g) = CH3COH(g) =>
C2H2(g) + H2O(g) = CH3COH(g)
Na2SO4 + H{+} + e = SO3{2-} + Na + H2O =>
Na2SO4 + 2 H{+} + 4e = SO3{2-} + 2 Na + H2O
Cs{+} + H2O = Cs(OH) + H3O{+} =>
Cs{+} + 2 H2O = Cs(OH) + H3O{+}
Zn3(PO4)2 + NaOH = Zn(OH)2 + Na3PO4 =>
Zn3(PO4)2 + 6 NaOH = 3 Zn(OH)2 + 2 Na3PO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C3H60S2 + O2 = CO2 + H2O + SO2 =>
C3H60S2 + 20 O2 = 3 CO2 + 30 H2O + 2 SO2
SO3 + Sr(OH)2 = SrSO4 + H2O =>
SO3 + Sr(OH)2 = SrSO4 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Sb(OH)2Cl + HCl = SbCl3 + H2O =>
Sb(OH)2Cl + 2 HCl = SbCl3 + 2 H2O
KMnO4 + AlI3 + H2SO4 = K2SO4 + MnSO4 + Al2(SO4)3 + I2 + H2O =>
6 KMnO4 + 10 AlI3 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 Al2(SO4)3 + 15 I2 + 24 H2O
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
CH3CH3CHBr + Na = CH3CH3CH + NaBr =>
CH3CH3CHBr + Na = CH3CH3CH + NaBr
KMnO4 + H2SO4 + HCl = K2SO4 + MnSO4 + Cl2 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 HCl = K2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
Al2(CO3)3 + NaOH = Al(OH)3 + Na2CO3 =>
Al2(CO3)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2CO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al(s) + CuCl2 = AlCl3 + Cu =>
2 Al(s) + 3 CuCl2 = 2 AlCl3 + 3 Cu
CO(NH2)2 + H2O = NH4{+} + OH{-} + H2CO3 =>
CO(NH2)2 + 4 H2O = 2 NH4{+} + 2 OH{-} + H2CO3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH4 + C4F6 + O2 = HF + CO2 =>
3 CH4 + 2 C4F6 + 11 O2 = 12 HF + 11 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ba(OH)2 + Na2SO4 = BaSO4 + NaOH =>
Ba(OH)2 + Na2SO4 = BaSO4 + 2 NaOH
NaCl + CuO = Cl2Cu + Na2O =>
2 NaCl + CuO = Cl2Cu + Na2O
KClO3 + P = KCl + P3O5 =>
5 KClO3 + 9 P = 5 KCl + 3 P3O5
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