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PbSO4 + AgNO3 = Ag(SO4) + Pb(NO3)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P + CO =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 2 P + 5 CO
Pb(NO3)2 + Cl = Pb + ClNO3 =>
Pb(NO3)2 + 2 Cl = Pb + 2 ClNO3
AlI = Al + I2 =>
2 AlI = 2 Al + I2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BaO + FeF3 = BaF2 + Fe2O3 =>
3 BaO + 2 FeF3 = 3 BaF2 + Fe2O3
Mg + HC2H3O2(aq) = Mg(C2H3O2)(aq) + H2(aq) =>
2 Mg + 2 HC2H3O2(aq) = 2 Mg(C2H3O2)(aq) + H2(aq)
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
O2 + H = OH =>
O2 + 2 H = 2 OH
K2 + HCl3 = KCl + H =>
3 K2 + 2 HCl3 = 6 KCl + 2 H
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
HF + Li(OH) = LiF + H2O =>
HF + Li(OH) = LiF + H2O
Pb2(NO3)2 + KI = (Pb2I2) + KNO3 =>
Pb2(NO3)2 + 2 KI = (Pb2I2) + 2 KNO3
Ag + BaF2 = AgF + Ba =>
2 Ag + BaF2 = 2 AgF + Ba
Zn + F2 = Zn{2+} + F{-} =>
Zn + F2 = Zn{2+} + 2 F{-}
NO3 + CO = NO2 + CO2 =>
NO3 + CO = NO2 + CO2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
PCl3(l) + H2O(l) = H3PO3(aq) + HCl(aq) =>
PCl3(l) + 3 H2O(l) = H3PO3(aq) + 3 HCl(aq)
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
Mg + Pb(NO3)2 + H2O = Pb(OH)NO3 + Mg(NO3)2 + NH4NO3 =>
4 Mg + 10 Pb(NO3)2 + 7 H2O = 10 Pb(OH)NO3 + 4 Mg(NO3)2 + NH4NO3
Zn + Pb(NO3)2 = Pb + Zn(NO3)2 =>
Zn + Pb(NO3)2 = Pb + Zn(NO3)2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CaCO3H2O = CaCO3 + H2O =>
CaCO3H2O = CaCO3 + H2O
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
I + O2 = IO3 =>
2 I + 3 O2 = 2 IO3
BaCO3 + NO2 = Ba(NO3)2 + NO + CO2 =>
BaCO3 + 3 NO2 = Ba(NO3)2 + NO + CO2
N2O2 + O2 = NO2 =>
N2O2 + O2 = 2 NO2
Fe + Au = FeAu =>
Fe + Au = FeAu
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
Au3 + O2 = Au2O3 =>
4 Au3 + 9 O2 = 6 Au2O3
((CH3)2Si)8 = CH4 + H2 + SiC =>
((CH3)2Si)8 = 8 CH4 + 8 H2 + 8 SiC
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Y2O3 + Al2O3 = Y3Al5O12 =>
3 Y2O3 + 5 Al2O3 = 2 Y3Al5O12
Ca(s) + H2SO4(aq) = CaSO4(aq) + H2(g) =>
Ca(s) + H2SO4(aq) = CaSO4(aq) + H2(g)
NaNO2(aq) + HCl(aq) = NaCl(aq) + HNO2(aq) =>
NaNO2(aq) + HCl(aq) = NaCl(aq) + HNO2(aq)
CuBr2 + H2O = CuO + HBr =>
CuBr2 + H2O = CuO + 2 HBr
Zn(s) + HCl(g) = ZnCl2 + H2(g) =>
Zn(s) + 2 HCl(g) = ZnCl2 + H2(g)
Na(s) + Cl2(l) = NaCl(s) =>
2 Na(s) + Cl2(l) = 2 NaCl(s)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
NaNO2(aq)HCl(aq) = NaCl(aq)HNO2(aq) =>
NaNO2(aq)HCl(aq) = NaCl(aq)HNO2(aq)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Pb(C2H3O2)2 + LiOH = Pb(OH)2 + LiC2H3O2 =>
Pb(C2H3O2)2 + 2 LiOH = Pb(OH)2 + 2 LiC2H3O2
NaH + CO2 = Na2O + CH4 =>
4 NaH + CO2 = 2 Na2O + CH4
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