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2 HNO2 + O2 = 2 HNO3
Cu + Ag(NO3) = Cu(NO3) + Ag =>
Cu + Ag(NO3) = Cu(NO3) + Ag
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
CaCO3 + HNO3 = Ca(NO3)2 + H2CO3 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2CO3
CH3COOC6H4COOH + H2O = H3COOC6H4COOH =>
8 CH3COOC6H4COOH + 4 H2O = 9 H3COOC6H4COOH
Fe[{2+}] + Cl[{-}] = Fe + Cl2 =>
Fe[{2+}] + 2 Cl[{-}] = Fe + Cl2
(N)3 = N2 =>
2(N)3 = 3 N2
C4H10 + Br2 = C4H9Br + HBr =>
C4H10 + Br2 = C4H9Br + HBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb + Sn = PbSn7 =>
Pb + 7 Sn = PbSn7
H2SO4 + K = K2SO4 + SO2 + H2O =>
2 H2SO4 + 2 K = K2SO4 + SO2 + 2 H2O
AgNO{3} + KI = AgI + KNO{3} =>
AgNO{3} + KI = AgI + KNO{3}
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
NH4Cl + Pb3NO3 = NH4NO3 + Pb3Cl =>
NH4Cl + Pb3NO3 = NH4NO3 + Pb3Cl
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
CuCl2 + Na2S = CuS + NaCl =>
CuCl2 + Na2S = CuS + 2 NaCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CaCO3 + HNO3 = CaNO3 + HCO3 =>
CaCO3 + HNO3 = CaNO3 + HCO3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
KMnO4 + FeSO4 + H2SO4 = H2O + MnSO4 + Fe(SO4)3 + K2SO4 =>
4 KMnO4 + 5 FeSO4 + 16 H2SO4 = 16 H2O + 4 MnSO4 + 5 Fe(SO4)3 + 2 K2SO4
Ni(OH)2(s) = NiO(s) + H2O(g) =>
Ni(OH)2(s) = NiO(s) + H2O(g)
KMnO4 + Zn(COOH)2 = Zn(MnO4)2 + KCOOH =>
2 KMnO4 + Zn(COOH)2 = Zn(MnO4)2 + 2 KCOOH
HBr(aq) + Li2CO3(aq) = H2CO3 + LiBr =>
2 HBr(aq) + Li2CO3(aq) = H2CO3 + 2 LiBr
Cr(OH)2 + H2SO4 = CrSO4 + H2O =>
Cr(OH)2 + H2SO4 = CrSO4 + 2 H2O
Zn(C2H3O2)2 + Na2S = ZnS + (C2H3O2)2Na2 =>
Zn(C2H3O2)2 + Na2S = ZnS + (C2H3O2)2Na2
CS2 + OH{-} = CO3{-2} + CS3{-2} + H2O =>
3 CS2 + 6 OH{-} = CO3{-2} + 2 CS3{-2} + 3 H2O
CCl4 + HF = HCl + CCl3F =>
CCl4 + HF = HCl + CCl3F
CaHPO4 + KOH = Ca(OH)2 + K3PO4 + H2O =>
CaHPO4 + 3 KOH = Ca(OH)2 + K3PO4 + H2O
KI(aq) + CuSO4(aq) = K2SO4(aq) + CuI2(g) =>
2 KI(aq) + CuSO4(aq) = K2SO4(aq) + CuI2(g)
NaN3 + Fe3O4 = Na2O + Fe + N2 =>
8 NaN3 + Fe3O4 = 4 Na2O + 3 Fe + 12 N2
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Ag(NO) + Ba(ClO) = Ag(ClO) + Ba(NO) =>
Ag(NO) + Ba(ClO) = Ag(ClO) + Ba(NO)
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Cd + I2 = CdI2 =>
Cd + I2 = CdI2
MnO3 + HCl = MnCl + H2O + Cl =>
MnO3 + 6 HCl = MnCl + 3 H2O + 5 Cl
Cr + H2SO4 = Cr2(SO4)3(aq) + H2(g) =>
2 Cr + 3 H2SO4 = Cr2(SO4)3(aq) + 3 H2(g)
RbSO4 = Rb2 + SO4 =>
2 RbSO4 = Rb2 + 2 SO4
CaS + HNO3 = Ca(NO3)2 + S + NO2 + H2O =>
CaS + 4 HNO3 = Ca(NO3)2 + S + 2 NO2 + 2 H2O
LiOH + HF = LiF + H2O =>
LiOH + HF = LiF + H2O
Mn3O + Al = Al2O3 + Mn =>
3 Mn3O + 2 Al = Al2O3 + 9 Mn
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
S2O4{2-} + IO3{-} + H2O = SO3{2-} + I{-} + H{+} =>
3 S2O4{2-} + IO3{-} + 3 H2O = 6 SO3{2-} + I{-} + 6 H{+}
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HCN + NaOH = NaCN + H2O =>
HCN + NaOH = NaCN + H2O
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