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(NH4)2CO3 + Ca{2+} = CaCO3 + 2 NH4{+}
CuSO4 + C6H8O6 = Cu + SO + HO + CO =>
8 CuSO4 + 3 C6H8O6 = 8 Cu + 8 SO + 24 HO + 18 CO
NaBH4(s) + H2SO4(aq) = B2H6(g) + H2(g) + NaSO4(g) =>
2 NaBH4(s) + 2 H2SO4(aq) = B2H6(g) + 3 H2(g) + 2 NaSO4(g)
KO3 + CO5 = K2C4O5 + O4 =>
8 KO3 + 16 CO5 = 4 K2C4O5 + 21 O4
R + U2 = R2U3 =>
4 R + 3 U2 = 2 R2U3
C4H604 + NaOH = Na + C5H404 + H2O =>
5 C4H604 + 1404 NaOH = 1404 Na + 4 C5H404 + 1404 H2O
K2CO3 + HBr = BrK2 + HCO3 =>
K2CO3 + HBr = BrK2 + HCO3
CH3CH2NH2 + CH3CH2Cl = CH3CH2NHCH2CH3 + HCl =>
CH3CH2NH2 + CH3CH2Cl = CH3CH2NHCH2CH3 + HCl
CH3COOH + H2 = CH3COH + H2O =>
CH3COOH + H2 = CH3COH + H2O
NO2 + H2 = N3 + H2O =>
3 NO2 + 6 H2 = N3 + 6 H2O
(C2H5)3N + HNO3 = (C2H5)3NH + NO3 =>
(C2H5)3N + HNO3 = (C2H5)3NH + NO3
H2SO4 + NaClO3 = HClO3 + Na2SO4 =>
H2SO4 + 2 NaClO3 = 2 HClO3 + Na2SO4
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
H2Cr2O7 + HNO2 + HNO3 = Cr(NO3)3 + H2O =>
H2Cr2O7 + 3 HNO2 + 3 HNO3 = 2 Cr(NO3)3 + 4 H2O
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
Fe + O = FeO =>
Fe + O = FeO
C12H22(s) + O2(g) = CO2(g) + H2O(g) =>
2 C12H22(s) + 35 O2(g) = 24 CO2(g) + 22 H2O(g)
Mg(s) + AlCl(aq) = MgCl + Al =>
Mg(s) + AlCl(aq) = MgCl + Al
C5H7O2N + H2O = NO3{-} + CO2 + H{+} + e =>
C5H7O2N + 11 H2O = NO3{-} + 5 CO2 + 29 H{+} + 28e
KI + KClO3 = KCl + K2O + I =>
6 KI + KClO3 = KCl + 3 K2O + 6 I
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
Al2O3P2O5 + H2SO4 = Al2O3H2 + P2O5SO4 =>
Al2O3P2O5 + H2SO4 = Al2O3H2 + P2O5SO4
KClO4 + H2SO4 = HClO4 + KHSO4 =>
KClO4 + H2SO4 = HClO4 + KHSO4
NaCN + (NH4)2CO3 = (NH4)2CN + NaCO3 =>
NaCN + (NH4)2CO3 = (NH4)2CN + NaCO3
CH3COOH + NH3 = CH3COO + NH4 =>
CH3COOH + NH3 = CH3COO + NH4
CH3OOH + Zn = Zn(HCOO)2 + H2 =>
2 CH3OOH + Zn = Zn(HCOO)2 + 3 H2
MnCl2 + Br2 + NH5O = MnO2 + NH4Cl + NH4Br + H2O =>
MnCl2 + Br2 + 4 NH5O = MnO2 + 2 NH4Cl + 2 NH4Br + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C2H5OH(l) + O2(g) = CO2(g) + H2O =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O
Cr2O7{2-} + SO2 + H{+} = Cr{3+} + SO4{2-} + H2O =>
Cr2O7{2-} + 3 SO2 + 2 H{+} = 2 Cr{3+} + 3 SO4{2-} + H2O
CuO + Al = Al3O2 + Cu =>
2 CuO + 3 Al = Al3O2 + 2 Cu
C6H12O6(l) + O2(g) = CO2(g) + H2O(g) =>
C6H12O6(l) + 6 O2(g) = 6 CO2(g) + 6 H2O(g)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Mn{+2} + Pb{+4} + H2O = MnO4{-} + Pb{+2} + H3O{+} =>
2 Mn{+2} + 5 Pb{+4} + 24 H2O = 2 MnO4{-} + 5 Pb{+2} + 16 H3O{+}
CH3CHOHCH3 + K2Cr2O7 + H2SO4 = CH3CHOCH3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 CH3CHOHCH3 + K2Cr2O7 + 4 H2SO4 = 6 CH3CHOCH3 + K2SO4 + Cr2(SO4)3 + 7 H2O
I2 + I{-} = I3{-}redox =>
I2 + I{-} = I3{-}redox
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
P4O10 + H2SO4 = SO3 + H4P2O7 =>
P4O10 + 4 H2SO4 = 4 SO3 + 2 H4P2O7
CUO + HI = CU + H2O + I2 =>
CUO + 2 HI = CU + H2O + I2
BeO + Cu(OH)2 = Be(OH)2 + CuO =>
BeO + Cu(OH)2 = Be(OH)2 + CuO
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
Fe80 + Co20 = FeCo =>
Fe80 + 4 Co20 = 80 FeCo
HCl + NaHCO3 = H2(CO3) + NaCl =>
HCl + NaHCO3 = H2(CO3) + NaCl
HCOOH + NH3 = HCOONH4 =>
HCOOH + NH3 = HCOONH4
KOH + FeSO3 = Fe(OH)2 + K2SO3 =>
2 KOH + FeSO3 = Fe(OH)2 + K2SO3
CH3CH2Br + Mg = CH3CH2MgBr =>
CH3CH2Br + Mg = CH3CH2MgBr
CuSO4*5H2O + NH3 = Cu(NH3)6SO4 + H2O =>
CuSO4*5H2O + 6 NH3 = Cu(NH3)6SO4 + 5 H2O
HCl + MnCl2 + KBiO3 = KMnO4 + BiCl3 + KCl + H2O =>
14 HCl + 2 MnCl2 + 5 KBiO3 = 2 KMnO4 + 5 BiCl3 + 3 KCl + 7 H2O
C2H5OH + N2O4 = CO2 + H2O + N =>
2 C2H5OH + 3 N2O4 = 4 CO2 + 6 H2O + 6 N
O2Cl7 = Cl2 + O2 =>
2 O2Cl7 = 7 Cl2 + 2 O2
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