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K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Na2SO3 + KIO3 + H2SO4 = I2 + K2SO4 + H2O + Na2SO4 =>
5 Na2SO3 + 2 KIO3 + H2SO4 = I2 + K2SO4 + H2O + 5 Na2SO4
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Fe + H2O = H2 + Fe3O4 =>
3 Fe + 4 H2O = 4 H2 + Fe3O4
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
P + Cl = PCl5 =>
P + 5 Cl = PCl5
NaCl + CH4 = Na + HCl + C =>
4 NaCl + CH4 = 4 Na + 4 HCl + C
K2SO4 + Pb(NO3)2 = PbSO4 + KNO3 =>
K2SO4 + Pb(NO3)2 = PbSO4 + 2 KNO3
C2H2 + H2 = C4H10 =>
2 C2H2 + 3 H2 = C4H10
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
As + KClO + KOH = KAsO3 + KCl + H2O =>
2 As + 5 KClO + 2 KOH = 2 KAsO3 + 5 KCl + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
Cl2 + HF = HCl + F2 =>
Cl2 + 2 HF = 2 HCl + F2
Mg + Fe(OH)3 = Mg(OH)3 + Fe =>
Mg + Fe(OH)3 = Mg(OH)3 + Fe
Br + O = Br2O =>
2 Br + O = Br2O
Fe3O4 = Fe + O2 =>
Fe3O4 = 3 Fe + 2 O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Al + H2SO4 = Al2(SO4)3 + H2S + H2O =>
8 Al + 15 H2SO4 = 4 Al2(SO4)3 + 3 H2S + 12 H2O
C6H10O5 + H2O = C6H12O6 =>
C6H10O5 + H2O = C6H12O6
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
SO3 = S + O2 =>
2 SO3 = 2 S + 3 O2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaCl + KBr = NaBr + KCl =>
NaCl + KBr = NaBr + KCl
Li3N + H2O = LiOH + NH3 =>
Li3N + 3 H2O = 3 LiOH + NH3
O2 + C = CO =>
O2 + 2 C = 2 CO
O2 + C = C2O4 =>
2 O2 + 2 C = C2O4
Mg + Fe(OH)3 = Mg(OH)2 + FeOH =>
Mg + Fe(OH)3 = Mg(OH)2 + FeOH
FeBr2 + K2CO3 = FeCO3 + KBr =>
FeBr2 + K2CO3 = FeCO3 + 2 KBr
KClO = KClO3 + KCl =>
3 KClO = KClO3 + 2 KCl
NH4CL + NANO2 = N2 + H2O + NACL =>
NH4CL + NANO2 = N2 + 2 H2O + NACL
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
HNO3 + I2 = HIO3 + NO2 + H2O =>
10 HNO3 + I2 = 2 HIO3 + 10 NO2 + 4 H2O
C2H4 + KMnO4 = MnO2 + KOH + H2O + KOOCCOOK =>
3 C2H4 + 10 KMnO4 = 10 MnO2 + 4 KOH + 4 H2O + 3 KOOCCOOK
C4H8 + O2 = CO2 + H20 =>
5 C4H8 + 20 O2 = 20 CO2 + 2 H20
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
C5H6O + O2 = CO2 + H2O =>
C5H6O + 6 O2 = 5 CO2 + 3 H2O
Na2SO3 + K2Cr2O7 + H2O = Cr(OH)3 + KOH + Na2SO4 =>
3 Na2SO3 + K2Cr2O7 + 4 H2O = 2 Cr(OH)3 + 2 KOH + 3 Na2SO4
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
Sn + NO3{-} + H2O + H{+} = H2SnO3 + NO =>
3 Sn + 4 NO3{-} + H2O + 4 H{+} = 3 H2SnO3 + 4 NO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
S + KNO3 = SO2 + N2 + K2SO4 =>
2 S + 2 KNO3 = SO2 + N2 + K2SO4
NaBr + Cl2 = Br + NaCl2 =>
NaBr + Cl2 = Br + NaCl2
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