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2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Ba(OH)2 + HBr = BaBr2 + H2O =>
Ba(OH)2 + 2 HBr = BaBr2 + 2 H2O
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
AgNO3 + CuCl2 = AgCl + Cu(NO3)2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu(NO3)2
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
EuSO4 + KMnO4 + H2SO4 = Eu2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 EuSO4 + 2 KMnO4 + 8 H2SO4 = 5 Eu2(SO4)3 + K2SO4 + 2 MnSO4 + 8 H2O
HCl + Mg(OH)2 = MgCl2 + H2O =>
2 HCl + Mg(OH)2 = MgCl2 + 2 H2O
S + H2SO4 = SO2 + H20 =>
10 S + 10 H2SO4 = 20 SO2 + H20
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
NH3(g) = N2(g) + H2(g) =>
2 NH3(g) = N2(g) + 3 H2(g)
NH4OH + Hg(NO3)2 = NH4(NO3) + H2O + Hg2 =>
10 NH4OH + 4 Hg(NO3)2 = 9 NH4(NO3) + 7 H2O + 2 Hg2
HI + H2O = H3O + I =>
HI + H2O = H3O + I
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
Ag + HNO3 = AgNO3 + H2O + NO =>
3 Ag + 4 HNO3 = 3 AgNO3 + 2 H2O + NO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeS + HNO3 = Fe(NO3)2 + NO + S + H2O =>
3 FeS + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 3 S + 4 H2O
AGNO3 + CACl2 = AGCl + CA(NO3)2 =>
2 AGNO3 + CACl2 = 2 AGCl + CA(NO3)2
MgBr2 + AgNO3 = AgBr + Mg(NO3)2 =>
MgBr2 + 2 AgNO3 = 2 AgBr + Mg(NO3)2
K2 + O2 = KO2 =>
K2 + 2 O2 = 2 KO2
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
C2H5OH + CO2 = C6H12O6 =>
2 C2H5OH + 2 CO2 = C6H12O6
Ti(OH)3 + O2 = TiO(OH)2 + H2O =>
4 Ti(OH)3 + O2 = 4 TiO(OH)2 + 2 H2O
FeS + HNO3 = Fe(NO3)2 + NO2 + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)2 + 2 NO2 + S + 2 H2O
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SO2(g) + O2(g) = SO3(g) =>
2 SO2(g) + O2(g) = 2 SO3(g)
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
P4(s) + O2(g) = P4O10(s) =>
P4(s) + 5 O2(g) = P4O10(s)
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
HCOOH + Ch3OH = HCOOCh3 + H2O =>
HCOOH + Ch3OH = HCOOCh3 + H2O
Ba2 + H2O = Ba(OH)2 + H2 =>
Ba2 + 4 H2O = 2 Ba(OH)2 + 2 H2
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
CH4 + CO2 = C2H2 + H2O =>
5 CH4 + 3 CO2 = 4 C2H2 + 6 H2O
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
K2 + O2 = KO2 =>
K2 + 2 O2 = 2 KO2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
HCOOH + CH3OH = HCOOCH3 + H2O =>
HCOOH + CH3OH = HCOOCH3 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
KOH + H2SO4 = H2O + K2SO4 =>
2 KOH + H2SO4 = 2 H2O + K2SO4
H3PO4 + BaOH = Ba3PO4 + H2O =>
H3PO4 + 3 BaOH = Ba3PO4 + 3 H2O
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
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