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2 CaH2 + 3 CO2 = 2 CaCO3 + CH4
Cu + NO3{-} + H{+} = Cu{2+} + NO + H2O =>
3 Cu + 2 NO3{-} + 8 H{+} = 3 Cu{2+} + 2 NO + 4 H2O
NaNO2 + FeSO4 + CH3COOH = NO2 + CH3COONa + Fe + H2O + SO2 =>
4 NaNO2 + FeSO4 + 4 CH3COOH = 4 NO2 + 4 CH3COONa + Fe + 2 H2O + SO2
Cr2(SO4)3 + Ca(NO2)2 + KOH = CaCrO4 + K2SO4 + CaSO4 + NO + H2O =>
Cr2(SO4)3 + 3 Ca(NO2)2 + 4 KOH = 2 CaCrO4 + 2 K2SO4 + CaSO4 + 6 NO + 2 H2O
H2SO4 + KOH = H2O + K2SO4* =>
H2SO4 + 2 KOH = 2 H2O + K2SO4*
B2H6 + CO = H3BCO =>
B2H6 + 2 CO = 2 H3BCO
CH4(g) + O2(g) = CH2O(g) + H2O(g) =>
CH4(g) + O2(g) = CH2O(g) + H2O(g)
Zn + KNO2 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
3 Zn + KNO2 + 5 KOH + 5 H2O = 3 K2[Zn(OH)4] + NH3
ZnCl2 = Cl2 + Zn =>
ZnCl2 = Cl2 + Zn
Cl2H2 = HCl =>
Cl2H2 = 2 HCl
KNO2 + CrCl2 = Cr(NO2)2 + KCl =>
2 KNO2 + CrCl2 = Cr(NO2)2 + 2 KCl
ZnCl2 = Cl2 + Zn =>
ZnCl2 = Cl2 + Zn
Fe + C = Fe122C03 =>
122 Fe + 3 C = Fe122C03
C6H12O6 + K2Cr2O7 + H2O = C6H12O7 + Cr(OH)3 + KOH =>
3 C6H12O6 + K2Cr2O7 + 4 H2O = 3 C6H12O7 + 2 Cr(OH)3 + 2 KOH
Br2 + ZnI2 = BrI + Zn =>
Br2 + ZnI2 = 2 BrI + Zn
Ba3(PO)4 + C + SnO2 = CO + P4 + BaSnO3 =>
Ba3(PO)4 + C + 3 SnO2 = CO + P4 + 3 BaSnO3
Na2S2O3 + Cl2 = NaCl + SO2 + S =>
2 Na2S2O3 + 2 Cl2 = 4 NaCl + 3 SO2 + S
Ca2 + NaOH = Na + Ca(OH)2 =>
Ca2 + 4 NaOH = 4 Na + 2 Ca(OH)2
FeCl2 + Na2SO4 = FeO4S + NaCl =>
FeCl2 + Na2SO4 = FeO4S + 2 NaCl
P2O3 + HNO3 + H2O = H3PO4 + NO =>
3 P2O3 + 4 HNO3 + 7 H2O = 6 H3PO4 + 4 NO
NH4{+} + OH{-} = NH3 + H2O =>
NH4{+} + OH{-} = NH3 + H2O
CO3 + CaCl2 = CaCO3 + Cl =>
CO3 + CaCl2 = CaCO3 + 2 Cl
CH3COOH + Cu = H2 + CuCH3COO =>
2 CH3COOH + 2 Cu = H2 + 2 CuCH3COO
CH3COOH + [Ag(NH3)2]OH = (NH4)2CO3 + Ag + NH3 + H2O =>
CH3COOH + 8[Ag(NH3)2]OH = 2(NH4)2CO3 + 8 Ag + 12 NH3 + 4 H2O
C2H4(OH)2 + KMnO4 + H2SO4 = C6H4O2 + MnSO4 + K2SO4 + H2O =>
15 C2H4(OH)2 + 6 KMnO4 + 9 H2SO4 = 5 C6H4O2 + 6 MnSO4 + 3 K2SO4 + 44 H2O
NH3 + CuCl2 = Cu + N2 + NH4Cl =>
8 NH3 + 3 CuCl2 = 3 Cu + N2 + 6 NH4Cl
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
C2H2 + Ag = C2Ag2 + H2 =>
C2H2 + 2 Ag = C2Ag2 + H2
Cr2O7 + NaOH = NaCrO4 + H2O =>
Cr2O7 + 2 NaOH = 2 NaCrO4 + H2O
AuCl + KMnO4 + HCl = KCl + MnCl2 + AuCl4 + H2O =>
5 AuCl + 3 KMnO4 + 24 HCl = 3 KCl + 3 MnCl2 + 5 AuCl4 + 12 H2O
Co + NO3{-} + H{+} = NO + H2O + Co2{+} =>
6 Co + NO3{-} + 4 H{+} = NO + 2 H2O + 3 Co2{+}
CaCl2 + Ag = AgCl8 + Ca =>
4 CaCl2 + Ag = AgCl8 + 4 Ca
AuCl3 + NaOH = NaCl + Au(OH)3 =>
AuCl3 + 3 NaOH = 3 NaCl + Au(OH)3
C2H6C2H5OH + O2 = CO2 + H2O =>
2 C2H6C2H5OH + 13 O2 = 8 CO2 + 12 H2O
NaI + CaO = NaO + CaI =>
NaI + CaO = NaO + CaI
MgO + CaO = MgCa + O3 =>
3 MgO + 3 CaO = 3 MgCa + 2 O3
MgCl2 + Pb(NO3)4 = Cl4Pb + Mg(NO3)2 =>
2 MgCl2 + Pb(NO3)4 = Cl4Pb + 2 Mg(NO3)2
TeO3{-2)+H2O+{-} = Te+OH{-} =>
TeO3{-2)+3H2O+4e = Te+6OH{-}
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
FeSO4 + Ba(OH)2 = BaSO4 + Fe(OH)2 =>
FeSO4 + Ba(OH)2 = BaSO4 + Fe(OH)2
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
Cu2S + HNO3 = Cu2{+} + SO2{-} + NO2 + H2O =>
Cu2S + 4 HNO3 = Cu2{+} + SO2{-} + 4 NO2 + 2 H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
C7H9NO + C4H6O3 = C9H11NO2 + C2H4O2 =>
C7H9NO + C4H6O3 = C9H11NO2 + C2H4O2
K2Cr2O7 + KMnO4 + H2O = MnO2 + KOH + Cr2O7 =>
3 K2Cr2O7 + 2 KMnO4 + 4 H2O = 2 MnO2 + 8 KOH + 3 Cr2O7
H2SO4 + Li2SO3 = Li2SO4 + SO2 + H2O =>
H2SO4 + Li2SO3 = Li2SO4 + SO2 + H2O
CuCl2 + C18H15P = CuCl2(C18H15P)2 =>
CuCl2 + 2 C18H15P = CuCl2(C18H15P)2
CS2 + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 CS2 + 8 K2Cr2O7 + 26 H2SO4 = 3 CO2 + 8 K2SO4 + 8 Cr2(SO4)3 + 26 H2O
Fe + {2} = Fe{2}0{3} =>
Fe + {2} = Fe{2}0{3}
NOCl + WC6O6 = WN2O2Cl2 + CO =>
2 NOCl + WC6O6 = WN2O2Cl2 + 6 CO
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