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Mg(s) + ZnI2(aq) = MgI2(aq) + Zn(s)
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca3(PO4)2 + H2SO4 = H3PO4 + CaSO4(g) =>
Ca3(PO4)2 + 3 H2SO4 = 2 H3PO4 + 3 CaSO4(g)
O2P + O2 = P2O5 =>
4 O2P + O2 = 2 P2O5
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Br2 + NH4OH = NH4Br + N2 + H2O =>
3 Br2 + 8 NH4OH = 6 NH4Br + N2 + 8 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
(NH4)2WO4 + HCl + KSCN + SnCl2 = K2[WO(SCN)5] + (NH4)2SnCl6 + KCl + NH4Cl + H2O =>
2(NH4)2WO4 + 12 HCl + 10 KSCN + SnCl2 = 2 K2[WO(SCN)5] + (NH4)2SnCl6 + 6 KCl + 2 NH4Cl + 6 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Cr(OH)2 + HCl = CrCl2 + H2O =>
Cr(OH)2 + 2 HCl = CrCl2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Zr(NO3)2 + CO(NH2)2 = ZrO2 + CO2 + N2 + H2O =>
3 Zr(NO3)2 + 4 CO(NH2)2 = 3 ZrO2 + 4 CO2 + 7 N2 + 8 H2O
H2CO3(aq) = CO2(g) + H2O(l) =>
H2CO3(aq) = CO2(g) + H2O(l)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HfOCl2 + H2O = Hf(OH)4 + HfCl4 =>
2 HfOCl2 + 2 H2O = Hf(OH)4 + HfCl4
Na + Cl = NaCl =>
Na + Cl = NaCl
CuSO4(ac) + NH3(ac) = Cu3N2 + H2SO4 =>
3 CuSO4(ac) + 2 NH3(ac) = Cu3N2 + 3 H2SO4
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
YPO4 + Ga(NO3)2 = Y(NO3)2 + GaPO4 =>
YPO4 + Ga(NO3)2 = Y(NO3)2 + GaPO4
SO4{-}2 + H2O + I{-} = SO3{-}2 + OH{-} + I2 =>
SO4{-}2 + H2O + 2 I{-} = SO3{-}2 + 2 OH{-} + I2
KC + H2SO4 = C + H2 + K2SO4 =>
2 KC + H2SO4 = 2 C + H2 + K2SO4
NaO + H2SO4 = Na2(SO4)2 + H2O =>
2 NaO + 2 H2SO4 = Na2(SO4)2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
N2H4 + OH{-} = N2 + H2O + e =>
N2H4 + 4 OH{-} = N2 + 4 H2O + 4e
HCl(aq) + Al(s) = AlCl3(aq) + H2(g) =>
6 HCl(aq) + 2 Al(s) = 2 AlCl3(aq) + 3 H2(g)
CH3OCH + O2 = CO2 + H2 =>
2 CH3OCH + 3 O2 = 4 CO2 + 4 H2
C2H5OH = CH3COOC2H5 + H2 =>
2 C2H5OH = CH3COOC2H5 + 2 H2
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Al2(CO3)3 + NaOH = Na2CO3 + Al(OH)3 =>
Al2(CO3)3 + 6 NaOH = 3 Na2CO3 + 2 Al(OH)3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Pb(NO3)2 + BaCl2 = PbCl2Ba(NO3)2 =>
Pb(NO3)2 + BaCl2 = PbCl2Ba(NO3)2
CaO2 + NaOH = CaOH + NaO2 =>
CaO2 + NaOH = CaOH + NaO2
H2O2 + KI = I + KOH =>
H2O2 + 2 KI = 2 I + 2 KOH
AgNO3 + (NH4)2CO3 = Ag2CO3 + NH4NO3 =>
2 AgNO3 + (NH4)2CO3 = Ag2CO3 + 2 NH4NO3
(NH4)3PO4 + Ba(CH3COO)2 = NH4CH3COO + Ba3(PO4)2 =>
2(NH4)3PO4 + 3 Ba(CH3COO)2 = 6 NH4CH3COO + Ba3(PO4)2
Cu(OH)2 = CuO + (H2O) =>
Cu(OH)2 = CuO + (H2O)
H2SO4 + PbCO3 = CO2 + H2O + PbSO4 =>
H2SO4 + PbCO3 = CO2 + H2O + PbSO4
Pb3O4 + HNO3 = Pb(NO3) + PbO2 + H2O =>
3 Pb3O4 + 4 HNO3 = 4 Pb(NO3) + 5 PbO2 + 2 H2O
SO2Cu = CuSO2 =>
SO2Cu = CuSO2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
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