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2 MgO + 4 NO2 + O2 = 2 Mg(NO3)2
CaSO4 = CaO + SO3 =>
CaSO4 = CaO + SO3
Na2CO3(aq) + HNO3(aq) = H2O(l) + NaNO3(aq) + CO2(aq) =>
Na2CO3(aq) + 2 HNO3(aq) = H2O(l) + 2 NaNO3(aq) + CO2(aq)
Pb + NaCl = Na + PbCl2 =>
Pb + 2 NaCl = 2 Na + PbCl2
CH3NO2 + Zn + HCl = CH3NH2 + ZnCl2 + H2O =>
CH3NO2 + 3 Zn + 6 HCl = CH3NH2 + 3 ZnCl2 + 2 H2O
ClO3 + AsO2 = AsO4 + Cl =>
2 ClO3 + 3 AsO2 = 3 AsO4 + 2 Cl
HNO3(aq) + NaHCO3(aq) = NaNO3(aq) + H2O(l) + CO2(g) =>
HNO3(aq) + NaHCO3(aq) = NaNO3(aq) + H2O(l) + CO2(g)
ZnSO4 + NaOH = Zn(OH)2 + Na2 + SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2 + SO4
MgCH3COO2 + KOH = MgOH + KCH3COO2 =>
MgCH3COO2 + KOH = MgOH + KCH3COO2
K2CrO4 + Pb(NO3)2 = KNO3 + PbCrO4 =>
K2CrO4 + Pb(NO3)2 = 2 KNO3 + PbCrO4
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(aq) + H2O =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(aq) + 4 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NaClO4 + Na2S2O4 + NaOH = NaCl + Na2SO4 + H2O =>
3 NaClO4 + 4 Na2S2O4 + 8 NaOH = 3 NaCl + 8 Na2SO4 + 4 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
ZnCl2 + NaOH = Na2ZnO2 + HCl =>
ZnCl2 + 2 NaOH = Na2ZnO2 + 2 HCl
X5H12 + O2 = XO2 + H2O =>
X5H12 + 8 O2 = 5 XO2 + 6 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Na3PO4 + Li + H2O = Li3PO4 + NaOH + H2 =>
2 Na3PO4 + 6 Li + 6 H2O = 2 Li3PO4 + 6 NaOH + 3 H2
FeBr3 + CI2 = FeCI2 + Br2 =>
2 FeBr3 + 2 CI2 = 2 FeCI2 + 3 Br2
Pb + NaCl = Na + PbCl2 =>
Pb + 2 NaCl = 2 Na + PbCl2
ClO = Cl + ClO3 =>
3 ClO = 2 Cl + ClO3
KI + H3PO4 = KH2PO4 + HI =>
KI + H3PO4 = KH2PO4 + HI
CuHCl = Cu(HCl) =>
CuHCl = Cu(HCl)
SrBr(NH4)CO3 = NH4Br + SrCO3 =>
SrBr(NH4)CO3 = NH4Br + SrCO3
Cu(OH)2 + HN3 = CuOHN3 + H2O =>
Cu(OH)2 + HN3 = CuOHN3 + H2O
Na2S2O3 + AgBr = Na5Ag(S2O3)3 + NaBr =>
3 Na2S2O3 + AgBr = Na5Ag(S2O3)3 + NaBr
Pb(NO3)2 + (NH4)2S = PbS + NH4NO3 =>
Pb(NO3)2 + (NH4)2S = PbS + 2 NH4NO3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Pb + NaCl = Na + PbCl2 =>
Pb + 2 NaCl = 2 Na + PbCl2
S2 + HNO3 = S(NO3)6 + H2 =>
S2 + 12 HNO3 = 2 S(NO3)6 + 6 H2
BaCl + KCO3 = KCl + BaCO3 =>
BaCl + KCO3 = KCl + BaCO3
Cr + Ag(NO3) = Cr(NO3) + Ag =>
Cr + Ag(NO3) = Cr(NO3) + Ag
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
H2SO3 = H2SO4 + H2S =>
4 H2SO3 = 3 H2SO4 + H2S
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
C2H5OH + Cr2O7{-2} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 C2H5OH + 2 Cr2O7{-2} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 11 H2O
H2SO3 = H2SO4 + H2S =>
4 H2SO3 = 3 H2SO4 + H2S
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C135H96O9NS = C + H + O + N + S =>
C135H96O9NS = 135 C + 96 H + 9 O + N + S
Na2HAsO4 + MgSO4 + NH4Cl = NH4MgAsO4 + HCl + Na2SO4 =>
Na2HAsO4 + MgSO4 + NH4Cl = NH4MgAsO4 + HCl + Na2SO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Al(OH)4{-} + H2SO4 = Al(OH)3 + SO4{-2} + H2O =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + SO4{-2} + 2 H2O
Cu2 + H(NO3) = Cu(NO3)2 + NO2 + H2O =>
Cu2 + 8 H(NO3) = 2 Cu(NO3)2 + 4 NO2 + 4 H2O
MgBr2 + Ca(OH)2 = Mg(OH)2 + CaBr2 =>
MgBr2 + Ca(OH)2 = Mg(OH)2 + CaBr2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
H2SO4(aq) + KOH(aq) = K2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 H2O(l)
MnO4 + Sb = Mn + Sb2O4 =>
MnO4 + 2 Sb = Mn + Sb2O4
S + O2 = SO2 =>
S + O2 = SO2
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
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