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9 H4 = 4 H9
Cu2 + H2SO4 = Cu2(SO4)2 + H2O + SO2 =>
Cu2 + 4 H2SO4 = Cu2(SO4)2 + 4 H2O + 2 SO2
NaCl + Ba(No3)2 = Na(No3)2 + BaCl =>
NaCl + Ba(No3)2 = Na(No3)2 + BaCl
Mg(OH)2 + H2 = MgH2 + H2O =>
Mg(OH)2 + 2 H2 = MgH2 + 2 H2O
C3H7Br + NaOH = C3H7OH + NaBr =>
C3H7Br + NaOH = C3H7OH + NaBr
Sn + H2Co3 = SnCo3 + H2 =>
Sn + H2Co3 = SnCo3 + H2
NH4Br + Ca(OH)2 = NH4OH + CaBr2 =>
2 NH4Br + Ca(OH)2 = 2 NH4OH + CaBr2
C7H14O = C7H12 + H2O =>
C7H14O = C7H12 + H2O
FeSO4 + MnO2 + NaOH = MnFe2O4 + Na2SO4 + H2O =>
2 FeSO4 + MnO2 + 4 NaOH = MnFe2O4 + 2 Na2SO4 + 2 H2O
Zn(s) + O2(g) = ZnO =>
2 Zn(s) + O2(g) = 2 ZnO
HN3 + CuO = Cu + N2 + H2O =>
2 HN3 + CuO = Cu + 3 N2 + H2O
C8H9NO2 + O2 = CO2 + H2O + NH3 =>
2 C8H9NO2 + 17 O2 = 16 CO2 + 6 H2O + 2 NH3
CH3OH + KMnO4 = HCOOK + MnO2 + KOH + H2O =>
3 CH3OH + 4 KMnO4 = 3 HCOOK + 4 MnO2 + KOH + 4 H2O
N2H4 + Cl2 = N2 + HCl =>
N2H4 + 2 Cl2 = N2 + 4 HCl
C4H8N2O3(aq) + O2 = CH4N2O(aq) + CO2 + H2O =>
C4H8N2O3(aq) + 3 O2 = CH4N2O(aq) + 3 CO2 + 2 H2O
C6H5Cl + S9Cl4 + Na = (C6H5)4S + NaCl =>
36 C6H5Cl + S9Cl4 + 40 Na = 9(C6H5)4S + 40 NaCl
ZnCl2 + K2CO3 = ZnCO3 + KCl =>
ZnCl2 + K2CO3 = ZnCO3 + 2 KCl
Bi(NO3)3 + H2O = Bi2O3 + HNO3 =>
2 Bi(NO3)3 + 3 H2O = Bi2O3 + 6 HNO3
B(s) + O2 = B2O3(s) =>
4 B(s) + 3 O2 = 2 B2O3(s)
(HPO3)4 + H2O = H3PO4 =>
(HPO3)4 + 4 H2O = 4 H3PO4
Ga2O3 + KOH = Ga(OH)3 + K2O =>
Ga2O3 + 6 KOH = 2 Ga(OH)3 + 3 K2O
HNO3 + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 HNO3 + Sr(OH)2 = Sr(NO3)2 + 2 H2O
Pb(N3)2 + Cr(MnO4)3 = Cr2O3 + MnO2 + Pb3O4 + NO =>
27 Pb(N3)2 + 44 Cr(MnO4)3 = 22 Cr2O3 + 132 MnO2 + 9 Pb3O4 + 162 NO
C6H5CH2OH + K2Cr2O7 + H2SO4 = C6H5CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5CH2OH + K2Cr2O7 + 4 H2SO4 = 3 C6H5CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
(CH3)NH2 + O2 = CO2 + H2O + N2 =>
4(CH3)NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
C7H5OCl + NH3 = C7H7ON + NH4Cl =>
C7H5OCl + 2 NH3 = C7H7ON + NH4Cl
MgO + Ba(OH)2 = Mg(OH)2 + BaO =>
MgO + Ba(OH)2 = Mg(OH)2 + BaO
H3PO2 + CuSO4 + H2O = Cu + H3PO3 + H2SO4 =>
H3PO2 + CuSO4 + H2O = Cu + H3PO3 + H2SO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H + SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
6 H + 3 SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
C9H11NO2 + O2 = CO2 + H2O + CH4N2O =>
2 C9H11NO2 + 20 O2 = 17 CO2 + 9 H2O + CH4N2O
C6H7NO + (CH3CO)2O = C8H9NO2 + H2O =>
2 C6H7NO + (CH3CO)2O = 2 C8H9NO2 + H2O
Ag2SO4 + Mn = Ag + Mn(SO4)2 =>
2 Ag2SO4 + Mn = 4 Ag + Mn(SO4)2
K2Cr2O7 + HI + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + I2 =>
K2Cr2O7 + 6 HI + 4 H2SO4 = Cr2(SO4)3 + 7 H2O + K2SO4 + 3 I2
NH2OH + HCl = (NH3OH)Cl =>
NH2OH + HCl = (NH3OH)Cl
ZnSO4 + NH3 = Zn(NH3)4 + SO4 =>
ZnSO4 + 4 NH3 = Zn(NH3)4 + SO4
NaHCO3(s) + CH3COOH = NaCH3COO + CO2 + H2O =>
NaHCO3(s) + CH3COOH = NaCH3COO + CO2 + H2O
MgO3 = MgO + O2 =>
MgO3 = MgO + O2
H2P = PH3 + P4H2 =>
10 H2P = 6 PH3 + P4H2
Sn + Hg(NO3)2 = Sn(NO3)4 + Hg =>
Sn + 2 Hg(NO3)2 = Sn(NO3)4 + 2 Hg
C7H7NO2 + HNO3 = C7H6N2O4 + H2O =>
C7H7NO2 + HNO3 = C7H6N2O4 + H2O
CaO(s) + H2SO4(aq) = CaSO4(aq) + H2O(l) =>
CaO(s) + H2SO4(aq) = CaSO4(aq) + H2O(l)
Ca + AgNO3 = Ca(NO3)2 + Ag =>
Ca + 2 AgNO3 = Ca(NO3)2 + 2 Ag
Fe3O4 + H2S = Fe3S4 + H2O =>
Fe3O4 + 4 H2S = Fe3S4 + 4 H2O
Na(s) + FeCl3 = Fe(s) + NaCl =>
3 Na(s) + FeCl3 = Fe(s) + 3 NaCl
Mo + NaNO3 + Na2CO3 = Na2MoO4 + NaNO2 + CO2 =>
Mo + 3 NaNO3 + Na2CO3 = Na2MoO4 + 3 NaNO2 + CO2
Ag(NO3)2 + Na3PO4 = Ag3PO4 + Na(NO3)2 =>
3 Ag(NO3)2 + Na3PO4 = Ag3PO4 + 3 Na(NO3)2
Fe(OH) + BaCl = Ba(OH) + FeCl =>
Fe(OH) + BaCl = Ba(OH) + FeCl
HNO3 + CaO = Ca(NO3)2 + NH3 + OH =>
11 HNO3 + 5 CaO = 5 Ca(NO3)2 + NH3 + 8 OH
Mg + CuF = MgF2 + Cu =>
Mg + 2 CuF = MgF2 + 2 Cu
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