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2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NO2 + H2O = HNO2 + O2 = HNO3 =>
4 NO2 + 2 H2O = 4 HNO2 + O2
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
Fe + KNCS = Fe(NCS)3 + K =>
Fe + 3 KNCS = Fe(NCS)3 + 3 K
Fe{2+}(aq) + Ce{4+}(aq) = Fe{3+}(aq) + Ce{3+}(aq) =>
Fe{2+}(aq) + Ce{4+}(aq) = Fe{3+}(aq) + Ce{3+}(aq)
Al + OH = Al(OH)3 =>
Al + 3 OH = Al(OH)3
K + O2 = K2O =>
4 K + O2 = 2 K2O
S + HNO3 = H2SO4 + NO =>
S + 2 HNO3 = H2SO4 + 2 NO
NH3 + C6H12O6 + Na2CO3 = NaCN + H2O =>
12 NH3 + C6H12O6 + 6 Na2CO3 = 12 NaCN + 24 H2O
PBr3 = P4 + Br2 =>
4 PBr3 = P4 + 6 Br2
C2H5Cl = C2H4 + HCl =>
C2H5Cl = C2H4 + HCl
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
KCe = K + Ce =>
KCe = K + Ce
(CH3COO)2Pb + HCl = (CH3COO)2Cl + HPb =>
(CH3COO)2Pb + HCl = (CH3COO)2Cl + HPb
P + KOH + H2O = KHPO2 + PH3 =>
5 P + 3 KOH + 3 H2O = 3 KHPO2 + 2 PH3
H2SO4 + Fe = FeSO4 + H2 = FeSO4 =>
H2SO4 + Fe = FeSO4 + H2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Cu(OH)2 + NH4Cl = CuCl2 + NH3 + H2O =>
Cu(OH)2 + 2 NH4Cl = CuCl2 + 2 NH3 + 2 H2O
OsO4 = Os + O2 =>
OsO4 = Os + 2 O2
CH4 + N6Cl12 = H + N2 + CCl4 =>
3 CH4 + N6Cl12 = 12 H + 3 N2 + 3 CCl4
Ba(No3)2 + H2O = Ba(OH)2 + HNo3 =>
Ba(No3)2 + 2 H2O = Ba(OH)2 + 2 HNo3
CH3CH2CH2CH2OH + HCl = CH3CH2Cl + H2O =>
CH3CH2CH2CH2OH + 2 HCl = 2 CH3CH2Cl + H2O
CaH2 + H2O(l) = Ca{2+} + OH{-} + H2 =>
CaH2 + 2 H2O(l) = Ca{2+} + 2 OH{-} + 2 H2
H3PO2 + H2SO4 + Zn = PH3 + Zn2(SO4) + H2O =>
H3PO2 + 2 H2SO4 + 4 Zn = PH3 + 2 Zn2(SO4) + 2 H2O
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
(CH3COO)2Pb + HCl = (CH3COO)2Cl + HPb =>
(CH3COO)2Pb + HCl = (CH3COO)2Cl + HPb
Pb2(aq) + OH(aq) = Pb(OH)2(l) =>
Pb2(aq) + 4 OH(aq) = 2 Pb(OH)2(l)
CH3NH2 + CH3I = CH3CH2I + NH3 =>
CH3NH2 + CH3I = CH3CH2I + NH3
Fe(OH)3 + NH4(SCN) = Fe(SCN)3 + NH4(OH) =>
Fe(OH)3 + 3 NH4(SCN) = Fe(SCN)3 + 3 NH4(OH)
NaH2PO2 + AgNO3 + H2O = NaH2PO4 + Ag + HNO3 =>
NaH2PO2 + 4 AgNO3 + 2 H2O = NaH2PO4 + 4 Ag + 4 HNO3
NaNO2 + NaOH + Be = Na2BeO2 + NH3 + H2O =>
NaNO2 + 5 NaOH + 3 Be = 3 Na2BeO2 + NH3 + H2O
Cr(NO3)2 + H2SO4 = HNO3 + CrSO4 =>
Cr(NO3)2 + H2SO4 = 2 HNO3 + CrSO4
MnO4{-} + Mn{2+} + OH{+} = MnO4 + H2O =>
10 MnO4{-} + Mn{2+} + 8 OH{+} = 11 MnO4 + 4 H2O
HgO = mercury + oxygen =>
2 HgO = 2 Hg + O2
C7H9 + Cl2 = C7H8 + HCl =>
2 C7H9 + Cl2 = 2 C7H8 + 2 HCl
S + H2 = SH8 =>
S + 4 H2 = SH8
C4H10 + O6 = CO2H6O + CO2 =>
18 C4H10 + 29 O6 = 30 CO2H6O + 42 CO2
CH3COOH + LiOH = CH3COOLi + H2O =>
CH3COOH + LiOH = CH3COOLi + H2O
NaC2O4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + NaSO4 + H2O + CO2 =>
5 NaC2O4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 NaSO4 + 8 H2O + 10 CO2
ZnSO4 + (NH4)2SO4 + H2O = (NH4)2Zn(SO4)2*6H2O =>
ZnSO4 + (NH4)2SO4 + 6 H2O = (NH4)2Zn(SO4)2*6H2O
NH4Cl + Be(OH)2 = BeCl2 + NH4OH =>
2 NH4Cl + Be(OH)2 = BeCl2 + 2 NH4OH
Cr(s) + Sn2{+} = Cr3{+} + Sn(s) =>
3 Cr(s) + Sn2{+} = Cr3{+} + 2 Sn(s)
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
NaO(l) + CH3COOH(aq) = CH3COONa(aq) + CO2(g) + H2O(l) =>
8 NaO(l) + 9 CH3COOH(aq) = 8 CH3COONa(aq) + 2 CO2(g) + 6 H2O(l)
NaCl + H2SO4 + KMnO4 = K2SO4 + Na2SO4 + Cl2 + MnSO4 + H2O =>
10 NaCl + 8 H2SO4 + 2 KMnO4 = K2SO4 + 5 Na2SO4 + 5 Cl2 + 2 MnSO4 + 8 H2O
HBr + Fe(OH)3 = FeBr3 + H2O =>
3 HBr + Fe(OH)3 = FeBr3 + 3 H2O
C4H6N4O7 = C + N2 + CO2 + H2O =>
C4H6N4O7 = 2 C + 2 N2 + 2 CO2 + 3 H2O
MgI2 + MnSO4 = MgSO4 + I2Mn =>
MgI2 + MnSO4 = MgSO4 + I2Mn
CH3NH2 + HI = CH3I + HNH2 =>
CH3NH2 + HI = CH3I + HNH2
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