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4 NO3 + Ca2 = 2 Ca(NO3)2
CaCO3(a) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(a) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)
C12H26 = C + H2 =>
C12H26 = 12 C + 13 H2
H2O + CoCl2 = Cl + [Co(H2O)6] =>
6 H2O + CoCl2 = 2 Cl + [Co(H2O)6]
Na + H3N = Na3N + H2 =>
6 Na + 2 H3N = 2 Na3N + 3 H2
Cu2(SO4) + Sr(OH)2 = Cu(OH) + SrSO4 =>
Cu2(SO4) + Sr(OH)2 = 2 Cu(OH) + SrSO4
Fe2O3 + HNO3 = Fe2NO3 + HO3 =>
Fe2O3 + HNO3 = Fe2NO3 + HO3
MgCl2 + Na2S = NaCl + MgS =>
MgCl2 + Na2S = 2 NaCl + MgS
N + H2 = N2H6 =>
2 N + 3 H2 = N2H6
MnO4{-} + H{+} + Cl{-} = MnCl2 + Cl2 + H2O =>
2 MnO4{-} + 16 H{+} + 14 Cl{-} = 2 MnCl2 + 5 Cl2 + 8 H2O
NaCu + SO4 = Na2SO4 + Cu =>
2 NaCu + SO4 = Na2SO4 + 2 Cu
Pb(OH)2 + HNO3 = Pb(OH)(NO3) + H2O =>
Pb(OH)2 + HNO3 = Pb(OH)(NO3) + H2O
CuO + N2 = Cu + NO2 =>
4 CuO + N2 = 4 Cu + 2 NO2
Fe + Cl2 + H2O = [Fe(H2O)6]{3+} + Cl{-}' =>
2 Fe + 3 Cl2 + 12 H2O = 2[Fe(H2O)6]{3+} + 6 Cl{-}'
CO2C = CO =>
CO2C = 2 CO
Zn + MgO = ZnO + Mg =>
Zn + MgO = ZnO + Mg
H3PO4 + Mg = MgO + P2O3 + H2O =>
2 H3PO4 + 2 Mg = 2 MgO + P2O3 + 3 H2O
HPO4{-}3 + MgOH = MgPO4{-}3 + H2O =>
HPO4{-}3 + MgOH = MgPO4{-}3 + H2O
CaSO3 + HCl = H2SO3 + CaCl2 =>
CaSO3 + 2 HCl = H2SO3 + CaCl2
He2 + Al = AlHe2 =>
He2 + Al = AlHe2
C18H30SO3 + NaOH = C18H29SO3Na + H2O =>
C18H30SO3 + NaOH = C18H29SO3Na + H2O
WO3CO = WOCO3 =>
WO3CO = WOCO3
CH3CH2OH + I2 + KOH = CH3CHO + KI + H2O =>
CH3CH2OH + I2 + 2 KOH = CH3CHO + 2 KI + 2 H2O
Be + Br2 = Be2Br =>
4 Be + Br2 = 2 Be2Br
NaOH + CuSO4 + HCl = CuCl2 + H2O + Na2SO4 =>
2 NaOH + CuSO4 + 2 HCl = CuCl2 + 2 H2O + Na2SO4
K2MnO4 + CH3COOH = KMnO4 + KCH3COO + H2 =>
2 K2MnO4 + 2 CH3COOH = 2 KMnO4 + 2 KCH3COO + H2
K3[Al(OH)6] + H2SO4 = Al2(SO4)3 + K2SO4 + H2O =>
2 K3[Al(OH)6] + 6 H2SO4 = Al2(SO4)3 + 3 K2SO4 + 12 H2O
SO2(g) + H2O(l) = H2SO3(g) =>
SO2(g) + H2O(l) = H2SO3(g)
C18H30SO3 + NaOH = C18H29SO3Na + H2O =>
C18H30SO3 + NaOH = C18H29SO3Na + H2O
AlCl3 + Cu(No3)2 = Al(No3)3 + CuCl2 =>
2 AlCl3 + 3 Cu(No3)2 = 2 Al(No3)3 + 3 CuCl2
Na2 + S = Na3S =>
3 Na2 + 2 S = 2 Na3S
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Pb4 + O2 = Pb2O4 = PbO2 =>
Pb4 + 4 O2 = 2 Pb2O4
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
Sr + (NH4)2C2O4 = SrC2O4 + (NH4)2 =>
Sr + (NH4)2C2O4 = SrC2O4 + (NH4)2
KHC2O4 + HCl = KCl + H2C2O4 =>
KHC2O4 + HCl = KCl + H2C2O4
CH5 + H2O = H2 + CO2 =>
2 CH5 + 4 H2O = 9 H2 + 2 CO2
Al + H2SO4 = Al2SO43 + S + H2O =>
6 Al + 43 H2SO4 = 3 Al2SO43 + 40 S + 43 H2O
H2SO4 + HCl = H2O + Cl2 + SO2 =>
H2SO4 + 2 HCl = 2 H2O + Cl2 + SO2
Na3 = Na =>
Na3 = 3 Na
PbS + O2 = Pb2 + SO2 =>
2 PbS + 2 O2 = Pb2 + 2 SO2
MnOOOH + H2SO4 + H2C2O4 = MnSO4 + CO2 + H2O =>
2 MnOOOH + 2 H2SO4 + 3 H2C2O4 = 2 MnSO4 + 6 CO2 + 6 H2O
Na + C = Na2C =>
2 Na + C = Na2C
NH3 + SO2 + H2O = NH4HSO3 =>
NH3 + SO2 + H2O = NH4HSO3
CH3{-}C6H4{-}NO2 + KMnO4 + H2SO4 = HOOC{-}C6H4{-}NO2 + K2SO4 + MnSO4 + H2O =>
5 CH3{-}C6H4{-}NO2 + 6 KMnO4 + 9 H2SO4 = 5 HOOC{-}C6H4{-}NO2 + 3 K2SO4 + 6 MnSO4 + 14 H2O
Zn + HNO3 = Zn(NO3)2 + HN4NO3 + H2O =>
10 Zn + 25 HNO3 = 10 Zn(NO3)2 + HN4NO3 + 12 H2O
Na2B + AgNO3 = Na2NO3 + AgB =>
Na2B + AgNO3 = Na2NO3 + AgB
C6H6 + HNO3 = C6H5NO2 + H2O =>
C6H6 + HNO3 = C6H5NO2 + H2O
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Br2 + Li = Br3Li =>
3 Br2 + 2 Li = 2 Br3Li
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