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2 Zn(s) = Zn2(aq)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na + At = NaAt =>
Na + At = NaAt
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Fe + NaOH = Fe(OH)2 + Na2 =>
Fe + 2 NaOH = Fe(OH)2 + Na2
(NH4)2SO4 + Ca(OH)2 = NH3 + CaSO4 + H2O =>
(NH4)2SO4 + Ca(OH)2 = 2 NH3 + CaSO4 + 2 H2O
Cl2 = Cl =>
Cl2 = 2 Cl
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
CaCl + Na3Po4 = Ca3(Po4) + NaCl =>
3 CaCl + Na3Po4 = Ca3(Po4) + 3 NaCl
KNO3 + H2SO4 = K2SO4 + HNO3 =>
2 KNO3 + H2SO4 = K2SO4 + 2 HNO3
C7H4O2CH3COOH + NaOH = C7H4O2OH + NaCH3COOH =>
C7H4O2CH3COOH + NaOH = C7H4O2OH + NaCH3COOH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
NaClO3 + SO2 + H2SO4 = ClO2 + NaHSO4 =>
2 NaClO3 + SO2 + H2SO4 = 2 ClO2 + 2 NaHSO4
Zn + Ag(NO3)2 = Zn(NO3)2 + Ag =>
Zn + Ag(NO3)2 = Zn(NO3)2 + Ag
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
HCl + NH3 + OH = H2O + NCl =>
HCl + NH3 + 4 OH = 4 H2O + NCl
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
LiCl + KH2PO4 = LiH2PO4 + KCl =>
LiCl + KH2PO4 = LiH2PO4 + KCl
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
CaCl2 + (HNO3) = Ca(NO3)2 + HCl =>
CaCl2 + 2(HNO3) = Ca(NO3)2 + 2 HCl
MnO4 + H2O = MnO2 + OH =>
MnO4 + 2 H2O = MnO2 + 4 OH
SrCl2 + CoSO4 = SrSO4 + CoCl2 =>
SrCl2 + CoSO4 = SrSO4 + CoCl2
H202 + MnO2 = MnH2 + O =>
H202 + 101 MnO2 = 101 MnH2 + 202 O
Fe + NaCl + K3Fe(CN)6 = Na + KCl + Fe3(Fe(CN)6)2 =>
3 Fe + 6 NaCl + 2 K3Fe(CN)6 = 6 Na + 6 KCl + Fe3(Fe(CN)6)2
Ag(NH3)2 + Cl + HNO3 = AgCl + NH4 + NO3 =>
Ag(NH3)2 + Cl + 2 HNO3 = AgCl + 2 NH4 + 2 NO3
AgNO3 + Li = LiNO3 + Ag =>
AgNO3 + Li = LiNO3 + Ag
(AlOH)(NO3)2 = AlOH(NO3)2 =>
(AlOH)(NO3)2 = AlOH(NO3)2
KMnO4 + H2O + H2S = KOH + MnO2 + H2SO4 =>
8 KMnO4 + 4 H2O + 3 H2S = 8 KOH + 8 MnO2 + 3 H2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na3(PO4)2 + NiCl = Ni3(PO4)2 + NaCl =>
Na3(PO4)2 + 3 NiCl = Ni3(PO4)2 + 3 NaCl
SiO2(s) + HF(aq) = SiF4(g) + H2O(l) =>
SiO2(s) + 4 HF(aq) = SiF4(g) + 2 H2O(l)
Zn + HBrO4 = ZnO4 + HBr =>
Zn + HBrO4 = ZnO4 + HBr
LiOH + Mg = Li + Mg(OH)2 =>
2 LiOH + Mg = 2 Li + Mg(OH)2
CH3OH + KOH + KMnO4 = K2CO3 + K2MnO4 + H2O =>
CH3OH + 8 KOH + 6 KMnO4 = K2CO3 + 6 K2MnO4 + 6 H2O
BaSO4 + CaClO3 = CaSO4 + BaClO3 =>
BaSO4 + CaClO3 = CaSO4 + BaClO3
HClO3 + CaOH = CaClO3 + H2O =>
HClO3 + CaOH = CaClO3 + H2O
HClO2 + Mg = Mg(ClO2)2 + H2 =>
2 HClO2 + Mg = Mg(ClO2)2 + H2
NO2 + NaOH = NaNO3 + H2O + NO =>
3 NO2 + 2 NaOH = 2 NaNO3 + H2O + NO
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Na2O = Na2 + O5 =>
5 Na2O = 5 Na2 + O5
Na2WO4 + HCl = NaCl + WO3 + H2O =>
Na2WO4 + 2 HCl = 2 NaCl + WO3 + H2O
H2 + K2O5 = K + H2O =>
5 H2 + K2O5 = 2 K + 5 H2O
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2O + MgSO4 = MgSO4H2O =>
H2O + MgSO4 = MgSO4H2O
*2C2H6 + O2 = CO2 + H2O =>
*2C2H6 + 7 O2 = 4 CO2 + 6 H2O
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